mirror of
https://sourceware.org/git/glibc.git
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Tue Jun 4 21:01:20 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* sysdeps/mach/hurd/getlogin_r.c: New file.
Wed Jun 5 02:11:30 1996 Ulrich Drepper <drepper@cygnus.com>
* io/Makefile (routines): Add ttyname_r.
* resolv/res_debug.c, resolv/resolv.h: Update from bind-4.3.4-T4A.
* sysdeps/libm-i387/e_asinl.S, sysdeps/libm-i387/e_atan2l.S,
sysdeps/libm-i387/e_expl.S, sysdeps/libm-i387/e_fmodl.S,
sysdeps/libm-i387/e_log10l.S, sysdeps/libm-i387/e_logl.S,
sysdeps/libm-i387/e_remainderl.S, sysdeps/libm-i387/e_scalbl.S,
sysdeps/libm-i387/e_sqrtl.S, sysdeps/libm-i387/s_atanl.S,
sysdeps/libm-i387/s_cosl.S, sysdeps/libm-i387/s_ilogbl.S,
sysdeps/libm-i387/s_log1pl.S, sysdeps/libm-i387/s_logbl.S,
sysdeps/libm-i387/s_scalbnl.S, sysdeps/libm-i387/s_sinl.S,
sysdeps/libm-i387/s_tanl.S: New files. i387 assembler versions
of `long double' math functions.
* sysdeps/libm-ieee754/k_standard.c: Add handling for errors
in long double functions.
* sysdeps/libm-ieee754/s_ilogbl.c, sysdeps/libm-ieee754/s_logbl.c,
sysdeps/libm-ieee754/s_modfl.c: New files. Generic versions
of `long double' math functions.
* sysdeps/libm-ieee754/s_isinf.c [NO_LONG_DOUBLE]: Add string
alias for __isinfl.
* sysdeps/libm-ieee754/w_acoshl.c, sysdeps/libm-ieee754/w_acosl.c,
sysdeps/libm-ieee754/w_asinl.c, sysdeps/libm-ieee754/w_atan2l.c,
sysdeps/libm-ieee754/w_atanhl.c, sysdeps/libm-ieee754/w_cabsl.c,
sysdeps/libm-ieee754/w_coshl.c, sysdeps/libm-ieee754/w_dreml.c,
sysdeps/libm-ieee754/w_expl.c, sysdeps/libm-ieee754/w_fmodl.c,
sysdeps/libm-ieee754/w_gammal.c, sysdeps/libm-ieee754/w_gammal_r.c,
sysdeps/libm-ieee754/w_hypotl.c, sysdeps/libm-ieee754/w_j0l.c,
sysdeps/libm-ieee754/w_j1l.c, sysdeps/libm-ieee754/w_jnl.c,
sysdeps/libm-ieee754/w_lgammal.c, sysdeps/libm-ieee754/w_lgammal_r.c,
sysdeps/libm-ieee754/w_log10l.c, sysdeps/libm-ieee754/w_logl.c,
sysdeps/libm-ieee754/w_powl.c, sysdeps/libm-ieee754/w_remainderl.c,
sysdeps/libm-ieee754/w_scalbl.c, sysdeps/libm-ieee754/w_sinhl.c,
sysdeps/libm-ieee754/w_sqrtl.c: New files. Wrapper functions
around long double function implementations.
* sysdeps/posix/ttyname_r.c (ttyname_r): Use _D_EXACT_NAMLEN
to determine length of directory entry name.
* posix/Makefile (routines): Add getlogin_r.
* posix/unistd.h: Add prototype for getlogin_r.
* sysdeps/stub/getlogin_r.c: New file. Reentrant version of
getlogin function, specified in P1003.1c/D6. Stub version.
* sysdeps/unix/getlogin.c (getlogin): Use ttyname_r instead of
ttyname. This avoids saving and restoring the old content.
Also use setutent_r, getutline_r and endutent_r instead of
accing UTMP file directly.
* sysdeps/unix/getlogin_r.c: New file. Reentrant version of
getlogin function, specified in P1003.1c/D6.
Tue Jun 4 20:10:09 1996 J.T. Conklin <jtc@cygnus.com>
* sysdeps/libm-i387/s_finitef.S: Fix mask for exponent.
* elf/dl-lookup.c (_dl_lookup_symbol): Grok magical undefined symbols
_GNU_libc_dl_{open,close,symbol} and resolve them to dl functions.
* elf/rtld.c (rtld_map): Renamed to _dl_rtld_map, made global.
* elf/link.h: Declare _dl_rtld_map.
* elf/dl-lookup.c (_dl_symbol_value): New function.
* elf/link.h: Declare it.
stdio-common/vfscanf.c: Prepare for reentrant libio.
Used in reentrant libio.
This commit is contained in:
Roland McGrath
parent
f68b86cc7b
commit
ee188d555b
77
ChangeLog
77
ChangeLog
@ -1,5 +1,78 @@
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Tue Jun 4 21:01:20 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
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* sysdeps/mach/hurd/getlogin_r.c: New file.
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Wed Jun 5 02:11:30 1996 Ulrich Drepper <drepper@cygnus.com>
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* io/Makefile (routines): Add ttyname_r.
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* resolv/res_debug.c, resolv/resolv.h: Update from bind-4.3.4-T4A.
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* sysdeps/libm-i387/e_asinl.S, sysdeps/libm-i387/e_atan2l.S,
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sysdeps/libm-i387/e_expl.S, sysdeps/libm-i387/e_fmodl.S,
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sysdeps/libm-i387/e_log10l.S, sysdeps/libm-i387/e_logl.S,
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sysdeps/libm-i387/e_remainderl.S, sysdeps/libm-i387/e_scalbl.S,
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sysdeps/libm-i387/e_sqrtl.S, sysdeps/libm-i387/s_atanl.S,
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sysdeps/libm-i387/s_cosl.S, sysdeps/libm-i387/s_ilogbl.S,
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sysdeps/libm-i387/s_log1pl.S, sysdeps/libm-i387/s_logbl.S,
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sysdeps/libm-i387/s_scalbnl.S, sysdeps/libm-i387/s_sinl.S,
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sysdeps/libm-i387/s_tanl.S: New files. i387 assembler versions
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of `long double' math functions.
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* sysdeps/libm-ieee754/k_standard.c: Add handling for errors
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in long double functions.
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* sysdeps/libm-ieee754/s_ilogbl.c, sysdeps/libm-ieee754/s_logbl.c,
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sysdeps/libm-ieee754/s_modfl.c: New files. Generic versions
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of `long double' math functions.
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* sysdeps/libm-ieee754/s_isinf.c [NO_LONG_DOUBLE]: Add string
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alias for __isinfl.
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* sysdeps/libm-ieee754/w_acoshl.c, sysdeps/libm-ieee754/w_acosl.c,
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sysdeps/libm-ieee754/w_asinl.c, sysdeps/libm-ieee754/w_atan2l.c,
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sysdeps/libm-ieee754/w_atanhl.c, sysdeps/libm-ieee754/w_cabsl.c,
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sysdeps/libm-ieee754/w_coshl.c, sysdeps/libm-ieee754/w_dreml.c,
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sysdeps/libm-ieee754/w_expl.c, sysdeps/libm-ieee754/w_fmodl.c,
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sysdeps/libm-ieee754/w_gammal.c, sysdeps/libm-ieee754/w_gammal_r.c,
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sysdeps/libm-ieee754/w_hypotl.c, sysdeps/libm-ieee754/w_j0l.c,
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sysdeps/libm-ieee754/w_j1l.c, sysdeps/libm-ieee754/w_jnl.c,
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sysdeps/libm-ieee754/w_lgammal.c, sysdeps/libm-ieee754/w_lgammal_r.c,
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sysdeps/libm-ieee754/w_log10l.c, sysdeps/libm-ieee754/w_logl.c,
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sysdeps/libm-ieee754/w_powl.c, sysdeps/libm-ieee754/w_remainderl.c,
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sysdeps/libm-ieee754/w_scalbl.c, sysdeps/libm-ieee754/w_sinhl.c,
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sysdeps/libm-ieee754/w_sqrtl.c: New files. Wrapper functions
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around long double function implementations.
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* sysdeps/posix/ttyname_r.c (ttyname_r): Use _D_EXACT_NAMLEN
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to determine length of directory entry name.
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* posix/Makefile (routines): Add getlogin_r.
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* posix/unistd.h: Add prototype for getlogin_r.
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* sysdeps/stub/getlogin_r.c: New file. Reentrant version of
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getlogin function, specified in P1003.1c/D6. Stub version.
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* sysdeps/unix/getlogin.c (getlogin): Use ttyname_r instead of
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ttyname. This avoids saving and restoring the old content.
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Also use setutent_r, getutline_r and endutent_r instead of
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accing UTMP file directly.
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* sysdeps/unix/getlogin_r.c: New file. Reentrant version of
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getlogin function, specified in P1003.1c/D6.
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Tue Jun 4 20:10:09 1996 J.T. Conklin <jtc@cygnus.com>
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* sysdeps/libm-i387/s_finitef.S: Fix mask for exponent.
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Tue Jun 4 18:57:57 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
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* elf/dl-lookup.c (_dl_lookup_symbol): Grok magical undefined symbols
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_GNU_libc_dl_{open,close,symbol} and resolve them to dl functions.
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* elf/rtld.c (rtld_map): Renamed to _dl_rtld_map, made global.
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* elf/link.h: Declare _dl_rtld_map.
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* elf/dl-lookup.c (_dl_symbol_value): New function.
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* elf/link.h: Declare it.
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* elf/dladdr.c: Remove #include <setjmp.h>, we don't use it.
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* shlib-versions: Set libdl=2.
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@ -1353,12 +1426,12 @@ Tue May 7 23:43:07 1996 Ulrich Drepper <drepper@cygnus.com>
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libio/iosetvbuf.c, libio/ioungetc.c, libio/iovsprintf.c,
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libio/libio.h, libio/putc.c, libio/putchar.c, libio/rewind.c,
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libio/stdio.h, stdio-common/printf_fp.c, stdio-common/vfprintf.c,
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stdio-common/vfscanf.c: Prepare for reentrent libio.
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stdio-common/vfscanf.c: Prepare for reentrant libio.
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* libio/clearerr_u.c, libio/feof_u.c, libio/ferror_u.c,
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libio/fputc_u.c, libio/getc_u.c, libio/getchar_u.c,
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libio/iofflush_u.c, libio/putc_u.c, libio/putchar_u.c: New files.
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Used in reentrent libio.
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Used in reentrant libio.
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* misc/getusershell.c: Prevent warnings.
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@ -109,13 +109,41 @@ _dl_lookup_symbol (const char *undef_name, const Elf32_Sym **ref,
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}
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if (weak_value.s == NULL && ELF32_ST_BIND ((*ref)->st_info) != STB_WEAK)
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{
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/* The symbol was not defined by any object in scope. To allow
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access to dynamic linker functionality without using -ldl and
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thereby brining the dynamic linker's symbols into scope, we
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recognize a few magical symbol names and resolve them to the
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addresses of functions inside the dynamic linker. */
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struct magic
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{
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unsigned long int hash;
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const char *name;
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Elf32_Addr value;
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};
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static struct magic magic[] =
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{
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{ 0xd6a2a5e, "_GNU_libc_dl_open", (Elf32_Addr) &_dl_open },
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{ 0x69ef845, "_GNU_libc_dl_close", (Elf32_Addr) &_dl_close },
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{ 0xae4d63c, "_GNU_libc_dl_symbol", (Elf32_Addr) &_dl_symbol_value },
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{ 0, NULL, 0 }
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};
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struct magic *m;
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for (m = magic; m->hash; ++m)
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if (hash == m->hash && !strcmp (name, m->name))
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return m->value;
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{
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const char msg[] = "undefined symbol: ";
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char buf[sizeof msg + strlen (undef_name)];
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memcpy (buf, msg, sizeof msg - 1);
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memcpy (&buf[sizeof msg - 1], undef_name, sizeof buf - sizeof msg + 1);
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memcpy (&buf[sizeof msg - 1], undef_name,
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sizeof buf - sizeof msg + 1);
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_dl_signal_error (0, reference_name, buf);
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}
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}
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*ref = weak_value.s;
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return weak_value.a;
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@ -135,3 +163,15 @@ _dl_setup_hash (struct link_map *map)
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hash += map->l_nbuckets;
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map->l_chain = hash;
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}
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/* Look up symbol NAME in MAP's scope and return its run-time address. */
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Elf32_Addr
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_dl_symbol_value (struct link_map *map, const char *name)
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{
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Elf32_Addr loadbase;
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const Elf32_Sym *ref = NULL;
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struct link_map *scope[2] = { map, NULL };
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loadbase = _dl_lookup_symbol (name, &ref, scope, map->l_name, 0, 0);
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return loadbase + ref->st_value;
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}
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@ -216,6 +216,12 @@ extern Elf32_Addr _dl_lookup_symbol (const char *undef,
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Elf32_Addr reloc_addr,
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int noplt);
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/* Look up symbol NAME in MAP's scope and return its run-time address. */
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extern Elf32_Addr _dl_symbol_value (struct link_map *map, const char *name);
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/* Structure describing the dynamic linker itself. */
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extern struct link_map _dl_rtld_map;
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/* List of objects currently loaded. */
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extern struct link_map *_dl_loaded;
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47
elf/rtld.c
47
elf/rtld.c
@ -52,7 +52,7 @@ static void dl_main (const Elf32_Phdr *phdr,
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Elf32_Word phent,
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Elf32_Addr *user_entry);
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static struct link_map rtld_map;
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struct link_map _dl_rtld_map;
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Elf32_Addr
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_dl_start (void *arg)
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@ -92,16 +92,17 @@ _dl_start (void *arg)
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/* Transfer data about ourselves to the permanent link_map structure. */
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rtld_map.l_addr = bootstrap_map.l_addr;
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rtld_map.l_ld = bootstrap_map.l_ld;
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memcpy (rtld_map.l_info, bootstrap_map.l_info, sizeof rtld_map.l_info);
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_dl_setup_hash (&rtld_map);
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_dl_rtld_map.l_addr = bootstrap_map.l_addr;
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_dl_rtld_map.l_ld = bootstrap_map.l_ld;
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memcpy (_dl_rtld_map.l_info, bootstrap_map.l_info,
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sizeof _dl_rtld_map.l_info);
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_dl_setup_hash (&_dl_rtld_map);
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/* Cache the DT_RPATH stored in ld.so itself; this will be
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the default search path. */
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_dl_rpath = (void *) (rtld_map.l_addr +
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rtld_map.l_info[DT_STRTAB]->d_un.d_ptr +
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rtld_map.l_info[DT_RPATH]->d_un.d_val);
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_dl_rpath = (void *) (_dl_rtld_map.l_addr +
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_dl_rtld_map.l_info[DT_STRTAB]->d_un.d_ptr +
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_dl_rtld_map.l_info[DT_RPATH]->d_un.d_val);
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/* Call the OS-dependent function to set up life so we can do things like
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file access. It will call `dl_main' (below) to do all the real work
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@ -243,12 +244,12 @@ of this helper program; chances are you did not intend to run this program.\n",
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/* Put the link_map for ourselves on the chain so it can be found by
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name. */
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rtld_map.l_name = (char *) rtld_map.l_libname = interpreter_name;
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rtld_map.l_type = lt_interpreter;
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_dl_rtld_map.l_name = (char *) _dl_rtld_map.l_libname = interpreter_name;
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_dl_rtld_map.l_type = lt_interpreter;
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while (l->l_next)
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l = l->l_next;
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l->l_next = &rtld_map;
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rtld_map.l_prev = l;
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l->l_next = &_dl_rtld_map;
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_dl_rtld_map.l_prev = l;
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/* Load all the libraries specified by DT_NEEDED entries. */
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_dl_map_object_deps (l);
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@ -257,12 +258,12 @@ of this helper program; chances are you did not intend to run this program.\n",
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it will determine gdb's search order.
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Perhaps do this always, so later dlopen by name finds it?
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XXX But then gdb always considers it present. */
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if (rtld_map.l_opencount == 0)
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if (_dl_rtld_map.l_opencount == 0)
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{
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/* No DT_NEEDED entry referred to the interpreter object itself,
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so remove it from the list of visible objects. */
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rtld_map.l_prev->l_next = rtld_map.l_next;
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rtld_map.l_next->l_prev = rtld_map.l_prev;
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_dl_rtld_map.l_prev->l_next = _dl_rtld_map.l_next;
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_dl_rtld_map.l_next->l_prev = _dl_rtld_map.l_prev;
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}
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if (list_only)
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@ -325,7 +326,7 @@ of this helper program; chances are you did not intend to run this program.\n",
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l = l->l_next;
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do
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{
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if (l != &rtld_map)
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if (l != &_dl_rtld_map)
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_dl_relocate_object (l, lazy);
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l = l->l_prev;
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} while (l);
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@ -337,28 +338,28 @@ of this helper program; chances are you did not intend to run this program.\n",
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_dl_relocate_object might need to call `mprotect' for DT_TEXTREL. */
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_dl_sysdep_start_cleanup ();
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if (rtld_map.l_opencount > 0)
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if (_dl_rtld_map.l_opencount > 0)
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/* There was an explicit ref to the dynamic linker as a shared lib.
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Re-relocate ourselves with user-controlled symbol definitions. */
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_dl_relocate_object (&rtld_map, lazy);
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_dl_relocate_object (&_dl_rtld_map, lazy);
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/* Tell the debugger where to find the map of loaded objects. */
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dl_r_debug.r_version = 1 /* R_DEBUG_VERSION XXX */;
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dl_r_debug.r_ldbase = rtld_map.l_addr; /* Record our load address. */
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dl_r_debug.r_ldbase = _dl_rtld_map.l_addr; /* Record our load address. */
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dl_r_debug.r_map = _dl_loaded;
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dl_r_debug.r_brk = (Elf32_Addr) &_dl_r_debug_state;
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if (rtld_map.l_info[DT_INIT])
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if (_dl_rtld_map.l_info[DT_INIT])
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{
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/* Call the initializer for the compatibility version of the
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dynamic linker. There is no additional initialization
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required for the ABI-compliant dynamic linker. */
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(*(void (*) (void)) (rtld_map.l_addr +
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rtld_map.l_info[DT_INIT]->d_un.d_ptr)) ();
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(*(void (*) (void)) (_dl_rtld_map.l_addr +
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_dl_rtld_map.l_info[DT_INIT]->d_un.d_ptr)) ();
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/* Clear the field so a future dlopen won't run it again. */
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rtld_map.l_info[DT_INIT] = NULL;
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_dl_rtld_map.l_info[DT_INIT] = NULL;
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}
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/* Once we return, _dl_sysdep_start will invoke
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@ -40,7 +40,7 @@ routines := \
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chdir fchdir \
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getcwd getwd getdirname \
|
||||
chown fchown \
|
||||
ttyname isatty \
|
||||
ttyname ttyname_r isatty \
|
||||
link symlink readlink \
|
||||
unlink rmdir \
|
||||
ftw fts poll
|
||||
|
||||
@ -39,7 +39,7 @@ routines := \
|
||||
getpid getppid \
|
||||
getuid geteuid getgid getegid getgroups setuid setgid group_member \
|
||||
getpgid setpgid getpgrp setpgrp getsid setsid \
|
||||
getlogin setlogin \
|
||||
getlogin getlogin_r setlogin \
|
||||
pathconf sysconf fpathconf \
|
||||
glob fnmatch regex \
|
||||
confstr \
|
||||
|
||||
@ -541,6 +541,12 @@ extern int tcsetpgrp __P ((int __fd, __pid_t __pgrp_id));
|
||||
|
||||
/* Return the login name of the user. */
|
||||
extern char *getlogin __P ((void));
|
||||
#ifdef __USE_REENTRANT
|
||||
/* Return at most NAME_LEN characters of the login name of the user in NAME.
|
||||
If it cannot be determined or some other error occured, return the error
|
||||
code. Otherwise return 0. */
|
||||
extern int getlogin_r __P ((char *__name, size_t __name_len));
|
||||
#endif
|
||||
|
||||
#ifdef __USE_BSD
|
||||
/* Set the login name returned by `getlogin'. */
|
||||
|
||||
@ -596,6 +596,15 @@ __p_rr(cp, msg, file)
|
||||
char t[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"];
|
||||
|
||||
fprintf(file, "\t%s\n", inet_ntop(AF_INET6, cp, t, sizeof t));
|
||||
cp += dlen;
|
||||
break;
|
||||
}
|
||||
|
||||
case T_LOC: {
|
||||
char t[255];
|
||||
|
||||
(void) fprintf(file, "\t%s\n", loc_ntoa(cp, t));
|
||||
cp += dlen;
|
||||
break;
|
||||
}
|
||||
|
||||
@ -831,3 +840,385 @@ __p_time(value)
|
||||
}
|
||||
return (nbuf);
|
||||
}
|
||||
|
||||
/*
|
||||
* routines to convert between on-the-wire RR format and zone file format.
|
||||
* Does not contain conversion to/from decimal degrees; divide or multiply
|
||||
* by 60*60*1000 for that.
|
||||
*/
|
||||
|
||||
static unsigned int poweroften[10] = {1, 10, 100, 1000, 10000, 100000,
|
||||
1000000,10000000,100000000,1000000000};
|
||||
|
||||
/* takes an XeY precision/size value, returns a string representation. */
|
||||
static const char *
|
||||
precsize_ntoa(prec)
|
||||
u_int8_t prec;
|
||||
{
|
||||
static char retbuf[sizeof("90000000.00")];
|
||||
unsigned long val;
|
||||
int mantissa, exponent;
|
||||
|
||||
mantissa = (int)((prec >> 4) & 0x0f) % 10;
|
||||
exponent = (int)((prec >> 0) & 0x0f) % 10;
|
||||
|
||||
val = mantissa * poweroften[exponent];
|
||||
|
||||
(void) sprintf(retbuf, "%ld.%.2ld", val/100, val%100);
|
||||
return (retbuf);
|
||||
}
|
||||
|
||||
/* converts ascii size/precision X * 10**Y(cm) to 0xXY. moves pointer. */
|
||||
static u_int8_t
|
||||
precsize_aton(strptr)
|
||||
char **strptr;
|
||||
{
|
||||
unsigned int mval = 0, cmval = 0;
|
||||
u_int8_t retval = 0;
|
||||
register char *cp;
|
||||
register int exponent;
|
||||
register int mantissa;
|
||||
|
||||
cp = *strptr;
|
||||
|
||||
while (isdigit(*cp))
|
||||
mval = mval * 10 + (*cp++ - '0');
|
||||
|
||||
if (*cp == '.') { /* centimeters */
|
||||
cp++;
|
||||
if (isdigit(*cp)) {
|
||||
cmval = (*cp++ - '0') * 10;
|
||||
if (isdigit(*cp)) {
|
||||
cmval += (*cp++ - '0');
|
||||
}
|
||||
}
|
||||
}
|
||||
cmval = (mval * 100) + cmval;
|
||||
|
||||
for (exponent = 0; exponent < 9; exponent++)
|
||||
if (cmval < poweroften[exponent+1])
|
||||
break;
|
||||
|
||||
mantissa = cmval / poweroften[exponent];
|
||||
if (mantissa > 9)
|
||||
mantissa = 9;
|
||||
|
||||
retval = (mantissa << 4) | exponent;
|
||||
|
||||
*strptr = cp;
|
||||
|
||||
return (retval);
|
||||
}
|
||||
|
||||
/* converts ascii lat/lon to unsigned encoded 32-bit number. moves pointer. */
|
||||
static u_int32_t
|
||||
latlon2ul(latlonstrptr,which)
|
||||
char **latlonstrptr;
|
||||
int *which;
|
||||
{
|
||||
register char *cp;
|
||||
u_int32_t retval;
|
||||
int deg = 0, min = 0, secs = 0, secsfrac = 0;
|
||||
|
||||
cp = *latlonstrptr;
|
||||
|
||||
while (isdigit(*cp))
|
||||
deg = deg * 10 + (*cp++ - '0');
|
||||
|
||||
while (isspace(*cp))
|
||||
cp++;
|
||||
|
||||
if (!(isdigit(*cp)))
|
||||
goto fndhemi;
|
||||
|
||||
while (isdigit(*cp))
|
||||
min = min * 10 + (*cp++ - '0');
|
||||
|
||||
while (isspace(*cp))
|
||||
cp++;
|
||||
|
||||
if (!(isdigit(*cp)))
|
||||
goto fndhemi;
|
||||
|
||||
while (isdigit(*cp))
|
||||
secs = secs * 10 + (*cp++ - '0');
|
||||
|
||||
if (*cp == '.') { /* decimal seconds */
|
||||
cp++;
|
||||
if (isdigit(*cp)) {
|
||||
secsfrac = (*cp++ - '0') * 100;
|
||||
if (isdigit(*cp)) {
|
||||
secsfrac += (*cp++ - '0') * 10;
|
||||
if (isdigit(*cp)) {
|
||||
secsfrac += (*cp++ - '0');
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
while (!isspace(*cp)) /* if any trailing garbage */
|
||||
cp++;
|
||||
|
||||
while (isspace(*cp))
|
||||
cp++;
|
||||
|
||||
fndhemi:
|
||||
switch (*cp) {
|
||||
case 'N': case 'n':
|
||||
case 'E': case 'e':
|
||||
retval = ((unsigned)1<<31)
|
||||
+ (((((deg * 60) + min) * 60) + secs) * 1000)
|
||||
+ secsfrac;
|
||||
break;
|
||||
case 'S': case 's':
|
||||
case 'W': case 'w':
|
||||
retval = ((unsigned)1<<31)
|
||||
- (((((deg * 60) + min) * 60) + secs) * 1000)
|
||||
- secsfrac;
|
||||
break;
|
||||
default:
|
||||
retval = 0; /* invalid value -- indicates error */
|
||||
break;
|
||||
}
|
||||
|
||||
switch (*cp) {
|
||||
case 'N': case 'n':
|
||||
case 'S': case 's':
|
||||
*which = 1; /* latitude */
|
||||
break;
|
||||
case 'E': case 'e':
|
||||
case 'W': case 'w':
|
||||
*which = 2; /* longitude */
|
||||
break;
|
||||
default:
|
||||
*which = 0; /* error */
|
||||
break;
|
||||
}
|
||||
|
||||
cp++; /* skip the hemisphere */
|
||||
|
||||
while (!isspace(*cp)) /* if any trailing garbage */
|
||||
cp++;
|
||||
|
||||
while (isspace(*cp)) /* move to next field */
|
||||
cp++;
|
||||
|
||||
*latlonstrptr = cp;
|
||||
|
||||
return (retval);
|
||||
}
|
||||
|
||||
/* converts a zone file representation in a string to an RDATA on-the-wire
|
||||
* representation. */
|
||||
int
|
||||
loc_aton(ascii, binary)
|
||||
const char *ascii;
|
||||
u_char *binary;
|
||||
{
|
||||
const char *cp, *maxcp;
|
||||
u_char *bcp;
|
||||
|
||||
u_int32_t latit = 0, longit = 0, alt = 0;
|
||||
u_int32_t lltemp1 = 0, lltemp2 = 0;
|
||||
int altmeters = 0, altfrac = 0, altsign = 1;
|
||||
u_int8_t hp = 0x16; /* default = 1e6 cm = 10000.00m = 10km */
|
||||
u_int8_t vp = 0x13; /* default = 1e3 cm = 10.00m */
|
||||
u_int8_t siz = 0x12; /* default = 1e2 cm = 1.00m */
|
||||
int which1 = 0, which2 = 0;
|
||||
|
||||
cp = ascii;
|
||||
maxcp = cp + strlen(ascii);
|
||||
|
||||
lltemp1 = latlon2ul(&cp, &which1);
|
||||
|
||||
lltemp2 = latlon2ul(&cp, &which2);
|
||||
|
||||
switch (which1 + which2) {
|
||||
case 3: /* 1 + 2, the only valid combination */
|
||||
if ((which1 == 1) && (which2 == 2)) { /* normal case */
|
||||
latit = lltemp1;
|
||||
longit = lltemp2;
|
||||
} else if ((which1 == 2) && (which2 == 1)) { /* reversed */
|
||||
longit = lltemp1;
|
||||
latit = lltemp2;
|
||||
} else { /* some kind of brokenness */
|
||||
return 0;
|
||||
}
|
||||
break;
|
||||
default: /* we didn't get one of each */
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* altitude */
|
||||
if (*cp == '-') {
|
||||
altsign = -1;
|
||||
cp++;
|
||||
}
|
||||
|
||||
if (*cp == '+')
|
||||
cp++;
|
||||
|
||||
while (isdigit(*cp))
|
||||
altmeters = altmeters * 10 + (*cp++ - '0');
|
||||
|
||||
if (*cp == '.') { /* decimal meters */
|
||||
cp++;
|
||||
if (isdigit(*cp)) {
|
||||
altfrac = (*cp++ - '0') * 10;
|
||||
if (isdigit(*cp)) {
|
||||
altfrac += (*cp++ - '0');
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
alt = (10000000 + (altsign * (altmeters * 100 + altfrac)));
|
||||
|
||||
while (!isspace(*cp) && (cp < maxcp)) /* if trailing garbage or m */
|
||||
cp++;
|
||||
|
||||
while (isspace(*cp) && (cp < maxcp))
|
||||
cp++;
|
||||
|
||||
if (cp >= maxcp)
|
||||
goto defaults;
|
||||
|
||||
siz = precsize_aton(&cp);
|
||||
|
||||
while (!isspace(*cp) && (cp < maxcp)) /* if trailing garbage or m */
|
||||
cp++;
|
||||
|
||||
while (isspace(*cp) && (cp < maxcp))
|
||||
cp++;
|
||||
|
||||
if (cp >= maxcp)
|
||||
goto defaults;
|
||||
|
||||
hp = precsize_aton(&cp);
|
||||
|
||||
while (!isspace(*cp) && (cp < maxcp)) /* if trailing garbage or m */
|
||||
cp++;
|
||||
|
||||
while (isspace(*cp) && (cp < maxcp))
|
||||
cp++;
|
||||
|
||||
if (cp >= maxcp)
|
||||
goto defaults;
|
||||
|
||||
vp = precsize_aton(&cp);
|
||||
|
||||
defaults:
|
||||
|
||||
bcp = binary;
|
||||
*bcp++ = (u_int8_t) 0; /* version byte */
|
||||
*bcp++ = siz;
|
||||
*bcp++ = hp;
|
||||
*bcp++ = vp;
|
||||
PUTLONG(latit,bcp);
|
||||
PUTLONG(longit,bcp);
|
||||
PUTLONG(alt,bcp);
|
||||
|
||||
return (16); /* size of RR in octets */
|
||||
}
|
||||
|
||||
/* takes an on-the-wire LOC RR and formats it in a human readable format. */
|
||||
char *
|
||||
loc_ntoa(binary, ascii)
|
||||
const u_char *binary;
|
||||
char *ascii;
|
||||
{
|
||||
static char *error = "?";
|
||||
register const u_char *cp = binary;
|
||||
|
||||
int latdeg, latmin, latsec, latsecfrac;
|
||||
int longdeg, longmin, longsec, longsecfrac;
|
||||
char northsouth, eastwest;
|
||||
int altmeters, altfrac, altsign;
|
||||
|
||||
const int referencealt = 100000 * 100;
|
||||
|
||||
int32_t latval, longval, altval;
|
||||
u_int32_t templ;
|
||||
u_int8_t sizeval, hpval, vpval, versionval;
|
||||
|
||||
char *sizestr, *hpstr, *vpstr;
|
||||
|
||||
versionval = *cp++;
|
||||
|
||||
if (versionval) {
|
||||
sprintf(ascii, "; error: unknown LOC RR version");
|
||||
return (ascii);
|
||||
}
|
||||
|
||||
sizeval = *cp++;
|
||||
|
||||
hpval = *cp++;
|
||||
vpval = *cp++;
|
||||
|
||||
GETLONG(templ, cp);
|
||||
latval = (templ - ((unsigned)1<<31));
|
||||
|
||||
GETLONG(templ, cp);
|
||||
longval = (templ - ((unsigned)1<<31));
|
||||
|
||||
GETLONG(templ, cp);
|
||||
if (templ < referencealt) { /* below WGS 84 spheroid */
|
||||
altval = referencealt - templ;
|
||||
altsign = -1;
|
||||
} else {
|
||||
altval = templ - referencealt;
|
||||
altsign = 1;
|
||||
}
|
||||
|
||||
if (latval < 0) {
|
||||
northsouth = 'S';
|
||||
latval = -latval;
|
||||
} else
|
||||
northsouth = 'N';
|
||||
|
||||
latsecfrac = latval % 1000;
|
||||
latval = latval / 1000;
|
||||
latsec = latval % 60;
|
||||
latval = latval / 60;
|
||||
latmin = latval % 60;
|
||||
latval = latval / 60;
|
||||
latdeg = latval;
|
||||
|
||||
if (longval < 0) {
|
||||
eastwest = 'W';
|
||||
longval = -longval;
|
||||
} else
|
||||
eastwest = 'E';
|
||||
|
||||
longsecfrac = longval % 1000;
|
||||
longval = longval / 1000;
|
||||
longsec = longval % 60;
|
||||
longval = longval / 60;
|
||||
longmin = longval % 60;
|
||||
longval = longval / 60;
|
||||
longdeg = longval;
|
||||
|
||||
altfrac = altval % 100;
|
||||
altmeters = (altval / 100) * altsign;
|
||||
|
||||
if ((sizestr = strdup(precsize_ntoa(sizeval))) == NULL)
|
||||
sizestr = error;
|
||||
if ((hpstr = strdup(precsize_ntoa(hpval))) == NULL)
|
||||
hpstr = error;
|
||||
if ((vpstr = strdup(precsize_ntoa(vpval))) == NULL)
|
||||
vpstr = error;
|
||||
|
||||
sprintf(ascii,
|
||||
"%d %.2d %.2d.%.3d %c %d %.2d %.2d.%.3d %c %d.%.2dm %sm %sm %sm",
|
||||
latdeg, latmin, latsec, latsecfrac, northsouth,
|
||||
longdeg, longmin, longsec, longsecfrac, eastwest,
|
||||
altmeters, altfrac, sizestr, hpstr, vpstr);
|
||||
|
||||
if (sizestr != error)
|
||||
free(sizestr);
|
||||
if (hpstr != error)
|
||||
free(hpstr);
|
||||
if (vpstr != error)
|
||||
free(vpstr);
|
||||
|
||||
return (ascii);
|
||||
}
|
||||
|
||||
@ -189,6 +189,8 @@ extern struct __res_state _res;
|
||||
#define res_ownok __res_ownok
|
||||
#define res_mailok __res_mailok
|
||||
#define res_dnok __res_dnok
|
||||
#define loc_ntoa __loc_ntoa
|
||||
#define loc_aton __loc_aton
|
||||
#define dn_skipname __dn_skipname
|
||||
#define fp_query __fp_query
|
||||
#define fp_nquery __fp_nquery
|
||||
@ -212,6 +214,8 @@ int __res_hnok __P((const char *));
|
||||
int __res_ownok __P((const char *));
|
||||
int __res_mailok __P((const char *));
|
||||
int __res_dnok __P((const char *));
|
||||
int __loc_aton __P((const char *ascii, u_char *binary));
|
||||
char * __loc_ntoa __P((const u_char *binary, char *ascii));
|
||||
int __dn_skipname __P((const u_char *, const u_char *));
|
||||
void __fp_resstat __P((struct __res_state *, FILE *));
|
||||
void __fp_query __P((const u_char *, FILE *));
|
||||
|
||||
21
sysdeps/libm-i387/e_asinl.S
Normal file
21
sysdeps/libm-i387/e_asinl.S
Normal file
@ -0,0 +1,21 @@
|
||||
/*
|
||||
* Written by J.T. Conklin <jtc@netbsd.org>.
|
||||
* Public domain.
|
||||
*
|
||||
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
RCSID("$NetBSD: $")
|
||||
|
||||
/* asinl = atanl (x / sqrtl(1 - x^2)) */
|
||||
ENTRY(__ieee754_asinl)
|
||||
fldt 4(%esp) /* x */
|
||||
fst %st(1)
|
||||
fmul %st(0) /* x^2 */
|
||||
fld1
|
||||
fsubp /* 1 - x^2 */
|
||||
fsqrt /* sqrt (1 - x^2) */
|
||||
fpatan
|
||||
ret
|
||||
16
sysdeps/libm-i387/e_atan2l.S
Normal file
16
sysdeps/libm-i387/e_atan2l.S
Normal file
@ -0,0 +1,16 @@
|
||||
/*
|
||||
* Written by J.T. Conklin <jtc@netbsd.org>.
|
||||
* Public domain.
|
||||
*
|
||||
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
RCSID("$NetBSD: $")
|
||||
|
||||
ENTRY(__ieee754_atan2l)
|
||||
fldt 4(%esp)
|
||||
fldt 16(%esp)
|
||||
fpatan
|
||||
ret
|
||||
40
sysdeps/libm-i387/e_expl.S
Normal file
40
sysdeps/libm-i387/e_expl.S
Normal file
@ -0,0 +1,40 @@
|
||||
/*
|
||||
* Written by J.T. Conklin <jtc@netbsd.org>.
|
||||
* Public domain.
|
||||
*
|
||||
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
RCSID("$NetBSD: $")
|
||||
|
||||
/* e^x = 2^(x * log2l(e)) */
|
||||
ENTRY(__ieee754_expl)
|
||||
fldt 4(%esp)
|
||||
/* I added the following ugly construct because expl(+-Inf) resulted
|
||||
in NaN. The ugliness results from the bright minds at Intel.
|
||||
-- drepper@cygnus.com. */
|
||||
fxam /* Is NaN or +-Inf? */
|
||||
fstsw %ax
|
||||
sahf
|
||||
jnc .LnoInfNaN /* No, jump. */
|
||||
jp .LisInf /* Is +-Inf, jump. */
|
||||
.LnoInfNaN:
|
||||
fldl2e
|
||||
fmulp /* x * log2(e) */
|
||||
fstl %st(1)
|
||||
frndint /* int(x * log2(e)) */
|
||||
fstl %st(2)
|
||||
fsubrp /* fract(x * log2(e)) */
|
||||
f2xm1 /* 2^(fract(x * log2(e))) - 1 */
|
||||
fld1
|
||||
faddp /* 2^(fract(x * log2(e))) */
|
||||
fscale /* e^x */
|
||||
ret
|
||||
|
||||
.LisInf:
|
||||
andb $2, %ah /* Test sign. */
|
||||
jz .LpInf /* If positive, jump. */
|
||||
fldz /* Set result to 0. */
|
||||
.LpInf: ret
|
||||
20
sysdeps/libm-i387/e_fmodl.S
Normal file
20
sysdeps/libm-i387/e_fmodl.S
Normal file
@ -0,0 +1,20 @@
|
||||
/*
|
||||
* Written by J.T. Conklin <jtc@netbsd.org>.
|
||||
* Public domain.
|
||||
*
|
||||
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
RCSID("$NetBSD: $")
|
||||
|
||||
ENTRY(__ieee754_fmodl)
|
||||
fldt 16(%esp)
|
||||
fldt 4(%esp)
|
||||
1: fprem
|
||||
fstsw %ax
|
||||
sahf
|
||||
jp 1b
|
||||
fstpl %st(1)
|
||||
ret
|
||||
16
sysdeps/libm-i387/e_log10l.S
Normal file
16
sysdeps/libm-i387/e_log10l.S
Normal file
@ -0,0 +1,16 @@
|
||||
/*
|
||||
* Written by J.T. Conklin <jtc@netbsd.org>.
|
||||
* Public domain.
|
||||
*
|
||||
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
RCSID("$NetBSD: $")
|
||||
|
||||
ENTRY(__ieee754_log10l)
|
||||
fldlg2
|
||||
fldt 4(%esp)
|
||||
fyl2x
|
||||
ret
|
||||
16
sysdeps/libm-i387/e_logl.S
Normal file
16
sysdeps/libm-i387/e_logl.S
Normal file
@ -0,0 +1,16 @@
|
||||
/*
|
||||
* Written by J.T. Conklin <jtc@netbsd.org>.
|
||||
* Public domain.
|
||||
*
|
||||
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
RCSID("$NetBSD: $")
|
||||
|
||||
ENTRY(__ieee754_logl)
|
||||
fldln2
|
||||
fldt 4(%esp)
|
||||
fyl2x
|
||||
ret
|
||||
19
sysdeps/libm-i387/e_remainderl.S
Normal file
19
sysdeps/libm-i387/e_remainderl.S
Normal file
@ -0,0 +1,19 @@
|
||||
/*
|
||||
* Written by J.T. Conklin <jtc@netbsd.org>.
|
||||
* Public domain.
|
||||
*
|
||||
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
RCSID("$NetBSD: $")
|
||||
|
||||
ENTRY(__ieee754_remainderl)
|
||||
fldt 16(%esp)
|
||||
fldt 4(%esp)
|
||||
1: fprem1
|
||||
fstsw %ax
|
||||
sahf
|
||||
jp 1b
|
||||
ret
|
||||
16
sysdeps/libm-i387/e_scalbl.S
Normal file
16
sysdeps/libm-i387/e_scalbl.S
Normal file
@ -0,0 +1,16 @@
|
||||
/*
|
||||
* Written by J.T. Conklin <jtc@netbsd.org>.
|
||||
* Public domain.
|
||||
*
|
||||
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
RCSID("$NetBSD: $")
|
||||
|
||||
ENTRY(__ieee754_scalbl)
|
||||
fldt 16(%esp)
|
||||
fldt 4(%esp)
|
||||
fscale
|
||||
ret
|
||||
15
sysdeps/libm-i387/e_sqrtl.S
Normal file
15
sysdeps/libm-i387/e_sqrtl.S
Normal file
@ -0,0 +1,15 @@
|
||||
/*
|
||||
* Written by J.T. Conklin <jtc@netbsd.org>.
|
||||
* Public domain.
|
||||
*
|
||||
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
RCSID("$NetBSD: $")
|
||||
|
||||
ENTRY(__ieee754_sqrtl)
|
||||
fldt 4(%esp)
|
||||
fsqrt
|
||||
ret
|
||||
17
sysdeps/libm-i387/s_atanl.S
Normal file
17
sysdeps/libm-i387/s_atanl.S
Normal file
@ -0,0 +1,17 @@
|
||||
/*
|
||||
* Written by J.T. Conklin <jtc@netbsd.org>.
|
||||
* Public domain.
|
||||
*
|
||||
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
RCSID("$NetBSD: $")
|
||||
|
||||
ENTRY(__atanl)
|
||||
fldt 4(%esp)
|
||||
fld1
|
||||
fpatan
|
||||
ret
|
||||
weak_alias (__atanl, atanl)
|
||||
29
sysdeps/libm-i387/s_cosl.S
Normal file
29
sysdeps/libm-i387/s_cosl.S
Normal file
@ -0,0 +1,29 @@
|
||||
/*
|
||||
* Written by J.T. Conklin <jtc@netbsd.org>.
|
||||
* Public domain.
|
||||
*
|
||||
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
RCSID("$NetBSD: $")
|
||||
|
||||
ENTRY(__cosl)
|
||||
fldt 4(%esp)
|
||||
fcos
|
||||
fnstsw %ax
|
||||
andw $0x400,%ax
|
||||
jnz 1f
|
||||
ret
|
||||
1: fldpi
|
||||
fadd %st(0)
|
||||
fxch %st(1)
|
||||
2: fprem1
|
||||
fnstsw %ax
|
||||
andw $0x400,%ax
|
||||
jnz 2b
|
||||
fstp %st(1)
|
||||
fcos
|
||||
ret
|
||||
weak_alias (__cosl, cosl)
|
||||
@ -9,9 +9,9 @@ RCSID("$NetBSD: s_finitef.S,v 1.3 1995/05/09 00:00:02 jtc Exp $")
|
||||
|
||||
ENTRY(__finitef)
|
||||
movl 4(%esp),%eax
|
||||
andl $0x7ff00000, %eax
|
||||
cmpl $0x7ff00000, %eax
|
||||
setnel %al
|
||||
andl $0x7f800000, %eax
|
||||
cmpl $0x7f800000, %eax
|
||||
setne %al
|
||||
andl $0x000000ff, %eax
|
||||
ret
|
||||
weak_alias (__finitef, finitef)
|
||||
|
||||
24
sysdeps/libm-i387/s_ilogbl.S
Normal file
24
sysdeps/libm-i387/s_ilogbl.S
Normal file
@ -0,0 +1,24 @@
|
||||
/*
|
||||
* Written by J.T. Conklin <jtc@netbsd.org>.
|
||||
* Changes for long double by Ulrich Drepper <drepper@cygnus.com>
|
||||
* Public domain.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
RCSID("$NetBSD: $")
|
||||
|
||||
ENTRY(__ilogbl)
|
||||
pushl %ebp
|
||||
movl %esp,%ebp
|
||||
subl $4,%esp
|
||||
|
||||
fldt 8(%ebp)
|
||||
fxtract
|
||||
|
||||
fistpl -4(%ebp)
|
||||
movl -4(%ebp),%eax
|
||||
|
||||
leave
|
||||
ret
|
||||
weak_alias (__ilogbl, ilogbl)
|
||||
25
sysdeps/libm-i387/s_log1pl.S
Normal file
25
sysdeps/libm-i387/s_log1pl.S
Normal file
@ -0,0 +1,25 @@
|
||||
/*
|
||||
* Written by J.T. Conklin <jtc@netbsd.org>.
|
||||
* Public domain.
|
||||
*
|
||||
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
RCSID("$NetBSD: $")
|
||||
|
||||
/*
|
||||
* Since the fyl2xp1 instruction has such a limited range:
|
||||
* -(1 - (sqrt(2) / 2)) <= x <= sqrt(2) - 1
|
||||
* it's not worth trying to use it.
|
||||
*/
|
||||
|
||||
ENTRY(__log1pl)
|
||||
fldln2
|
||||
fldt 4(%esp)
|
||||
fld1
|
||||
faddp
|
||||
fyl2x
|
||||
ret
|
||||
weak_alias (__log1pl, log1pl)
|
||||
15
sysdeps/libm-i387/s_logbl.S
Normal file
15
sysdeps/libm-i387/s_logbl.S
Normal file
@ -0,0 +1,15 @@
|
||||
/*
|
||||
* Written by J.T. Conklin <jtc@netbsd.org>.
|
||||
* Changes for long double by Ulrich Drepper <drepper@cygnus.com>
|
||||
* Public domain.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
RCSID("$NetBSD: $")
|
||||
|
||||
ENTRY(__logbl)
|
||||
fldt 4(%esp)
|
||||
fxtract
|
||||
ret
|
||||
weak_alias (__logbl, logbl)
|
||||
16
sysdeps/libm-i387/s_scalbnl.S
Normal file
16
sysdeps/libm-i387/s_scalbnl.S
Normal file
@ -0,0 +1,16 @@
|
||||
/*
|
||||
* Written by J.T. Conklin <jtc@netbsd.org>.
|
||||
* Changes for long double by Ulrich Drepper <drepper@cygnus.com>
|
||||
* Public domain.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
RCSID("$NetBSD: $")
|
||||
|
||||
ENTRY(__scalbnl)
|
||||
fildl 16(%esp)
|
||||
fldt 4(%esp)
|
||||
fscale
|
||||
ret
|
||||
weak_alias (__scalbnl, scalbnl)
|
||||
29
sysdeps/libm-i387/s_sinl.S
Normal file
29
sysdeps/libm-i387/s_sinl.S
Normal file
@ -0,0 +1,29 @@
|
||||
/*
|
||||
* Written by J.T. Conklin <jtc@netbsd.org>.
|
||||
* Public domain.
|
||||
*
|
||||
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
RCSID("$NetBSD: $")
|
||||
|
||||
ENTRY(__sinl)
|
||||
fldt 4(%esp)
|
||||
fsin
|
||||
fnstsw %ax
|
||||
andw $0x400,%ax
|
||||
jnz 1f
|
||||
ret
|
||||
1: fldpi
|
||||
fadd %st(0)
|
||||
fxch %st(1)
|
||||
2: fprem1
|
||||
fnstsw %ax
|
||||
andw $0x400,%ax
|
||||
jnz 2b
|
||||
fstp %st(1)
|
||||
fsin
|
||||
ret
|
||||
weak_alias (__sinl, sinl)
|
||||
31
sysdeps/libm-i387/s_tanl.S
Normal file
31
sysdeps/libm-i387/s_tanl.S
Normal file
@ -0,0 +1,31 @@
|
||||
/*
|
||||
* Written by J.T. Conklin <jtc@netbsd.org>.
|
||||
* Public domain.
|
||||
*
|
||||
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
RCSID("$NetBSD: $")
|
||||
|
||||
ENTRY(__tanl)
|
||||
fldt 4(%esp)
|
||||
fptan
|
||||
fnstsw %ax
|
||||
andw $0x400,%ax
|
||||
jnz 1f
|
||||
fstp %st(0)
|
||||
ret
|
||||
1: fldpi
|
||||
fadd %st(0)
|
||||
fxch %st(1)
|
||||
2: fprem1
|
||||
fstsw %ax
|
||||
andw $0x400,%ax
|
||||
jnz 2b
|
||||
fstp %st(1)
|
||||
fptan
|
||||
fstp %st(0)
|
||||
ret
|
||||
weak_alias (__tanl, tanl)
|
||||
@ -104,9 +104,11 @@ static double zero = 0.0; /* used as const */
|
||||
switch(type) {
|
||||
case 1:
|
||||
case 101:
|
||||
case 201:
|
||||
/* acos(|x|>1) */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "acos" : "acosf";
|
||||
exc.name = type < 100 ? "acos" : (type < 200
|
||||
? "acosf" : "acosl");;
|
||||
exc.retval = zero;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
errno = EDOM;
|
||||
@ -119,9 +121,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 2:
|
||||
case 102:
|
||||
case 202:
|
||||
/* asin(|x|>1) */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "asin" : "asinf";
|
||||
exc.name = type < 100 ? "asin" : (type < 200
|
||||
? "asinf" : "asinl");
|
||||
exc.retval = zero;
|
||||
if(_LIB_VERSION == _POSIX_)
|
||||
errno = EDOM;
|
||||
@ -134,11 +138,13 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 3:
|
||||
case 103:
|
||||
case 203:
|
||||
/* atan2(+-0,+-0) */
|
||||
exc.arg1 = y;
|
||||
exc.arg2 = x;
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "atan2" : "atan2f";
|
||||
exc.name = type < 100 ? "atan2" : (type < 200
|
||||
? "atan2f" : "atan2l");
|
||||
exc.retval = zero;
|
||||
if(_LIB_VERSION == _POSIX_)
|
||||
errno = EDOM;
|
||||
@ -151,9 +157,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 4:
|
||||
case 104:
|
||||
case 204:
|
||||
/* hypot(finite,finite) overflow */
|
||||
exc.type = OVERFLOW;
|
||||
exc.name = type < 100 ? "hypot" : "hypotf";
|
||||
exc.name = type < 100 ? "hypot" : (type < 200
|
||||
? "hypotf" : "hypotl");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = HUGE;
|
||||
else
|
||||
@ -166,9 +174,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 5:
|
||||
case 105:
|
||||
case 205:
|
||||
/* cosh(finite) overflow */
|
||||
exc.type = OVERFLOW;
|
||||
exc.name = type < 100 ? "cosh" : "coshf";
|
||||
exc.name = type < 100 ? "cosh" : (type < 200
|
||||
? "coshf" : "coshl");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = HUGE;
|
||||
else
|
||||
@ -181,9 +191,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 6:
|
||||
case 106:
|
||||
case 206:
|
||||
/* exp(finite) overflow */
|
||||
exc.type = OVERFLOW;
|
||||
exc.name = type < 100 ? "exp" : "expf";
|
||||
exc.name = type < 100 ? "exp" : (type < 200
|
||||
? "expf" : "expl");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = HUGE;
|
||||
else
|
||||
@ -196,9 +208,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 7:
|
||||
case 107:
|
||||
case 207:
|
||||
/* exp(finite) underflow */
|
||||
exc.type = UNDERFLOW;
|
||||
exc.name = type < 100 ? "exp" : "expf";
|
||||
exc.name = type < 100 ? "exp" : (type < 200
|
||||
? "expf" : "expl");
|
||||
exc.retval = zero;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
errno = ERANGE;
|
||||
@ -208,9 +222,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 8:
|
||||
case 108:
|
||||
case 208:
|
||||
/* y0(0) = -inf */
|
||||
exc.type = DOMAIN; /* should be SING for IEEE */
|
||||
exc.name = type < 100 ? "y0" : "y0f";
|
||||
exc.name = type < 100 ? "y0" : (type < 200 ? "y0f" : "y0l");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = -HUGE;
|
||||
else
|
||||
@ -226,9 +241,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 9:
|
||||
case 109:
|
||||
case 209:
|
||||
/* y0(x<0) = NaN */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "y0" : "y0f";
|
||||
exc.name = type < 100 ? "y0" : (type < 200 ? "y0f" : "y0l");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = -HUGE;
|
||||
else
|
||||
@ -244,9 +260,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 10:
|
||||
case 110:
|
||||
case 210:
|
||||
/* y1(0) = -inf */
|
||||
exc.type = DOMAIN; /* should be SING for IEEE */
|
||||
exc.name = type < 100 ? "y1" : "y1f";
|
||||
exc.name = type < 100 ? "y1" : (type < 200 ? "y1f" : "y1l");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = -HUGE;
|
||||
else
|
||||
@ -262,9 +279,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 11:
|
||||
case 111:
|
||||
case 211:
|
||||
/* y1(x<0) = NaN */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "y1" : "y1f";
|
||||
exc.name = type < 100 ? "y1" : (type < 200 ? "y1f" : "y1l");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = -HUGE;
|
||||
else
|
||||
@ -280,9 +298,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 12:
|
||||
case 112:
|
||||
case 212:
|
||||
/* yn(n,0) = -inf */
|
||||
exc.type = DOMAIN; /* should be SING for IEEE */
|
||||
exc.name = type < 100 ? "yn" : "ynf";
|
||||
exc.name = type < 100 ? "yn" : (type < 200 ? "ynf" : "ynl");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = -HUGE;
|
||||
else
|
||||
@ -298,9 +317,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 13:
|
||||
case 113:
|
||||
case 213:
|
||||
/* yn(x<0) = NaN */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "yn" : "ynf";
|
||||
exc.name = type < 100 ? "yn" : (type < 200 ? "ynf" : "ynl");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = -HUGE;
|
||||
else
|
||||
@ -316,9 +336,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 14:
|
||||
case 114:
|
||||
case 214:
|
||||
/* lgamma(finite) overflow */
|
||||
exc.type = OVERFLOW;
|
||||
exc.name = type < 100 ? "lgamma" : "lgammaf";
|
||||
exc.name = type < 100 ? "lgamma" : (type < 200
|
||||
? "lgammaf" : "lgammal");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = HUGE;
|
||||
else
|
||||
@ -331,9 +353,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 15:
|
||||
case 115:
|
||||
case 215:
|
||||
/* lgamma(-integer) or lgamma(0) */
|
||||
exc.type = SING;
|
||||
exc.name = type < 100 ? "lgamma" : "lgammaf";
|
||||
exc.name = type < 100 ? "lgamma" : (type < 200
|
||||
? "lgammaf" : "lgammal");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = HUGE;
|
||||
else
|
||||
@ -349,9 +373,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 16:
|
||||
case 116:
|
||||
case 216:
|
||||
/* log(0) */
|
||||
exc.type = SING;
|
||||
exc.name = type < 100 ? "log" : "logf";
|
||||
exc.name = type < 100 ? "log" : (type < 200 ? "logf" : "logl");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = -HUGE;
|
||||
else
|
||||
@ -367,9 +392,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 17:
|
||||
case 117:
|
||||
case 217:
|
||||
/* log(x<0) */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "log" : "logf";
|
||||
exc.name = type < 100 ? "log" : (type < 200 ? "logf" : "logl");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = -HUGE;
|
||||
else
|
||||
@ -385,9 +411,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 18:
|
||||
case 118:
|
||||
case 218:
|
||||
/* log10(0) */
|
||||
exc.type = SING;
|
||||
exc.name = type < 100 ? "log10" : "log10f";
|
||||
exc.name = type < 100 ? "log10" : (type < 200
|
||||
? "log10f" : "log10l");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = -HUGE;
|
||||
else
|
||||
@ -403,9 +431,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 19:
|
||||
case 119:
|
||||
case 219:
|
||||
/* log10(x<0) */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "log10" : "log10f";
|
||||
exc.name = type < 100 ? "log10" : (type < 200
|
||||
? "log10f" : "log10l");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = -HUGE;
|
||||
else
|
||||
@ -421,10 +451,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 20:
|
||||
case 120:
|
||||
case 220:
|
||||
/* pow(0.0,0.0) */
|
||||
/* error only if _LIB_VERSION == _SVID_ */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "pow" : "powf";
|
||||
exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
|
||||
exc.retval = zero;
|
||||
if (_LIB_VERSION != _SVID_) exc.retval = 1.0;
|
||||
else if (!matherr(&exc)) {
|
||||
@ -434,9 +465,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 21:
|
||||
case 121:
|
||||
case 221:
|
||||
/* pow(x,y) overflow */
|
||||
exc.type = OVERFLOW;
|
||||
exc.name = type < 100 ? "pow" : "powf";
|
||||
exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
|
||||
if (_LIB_VERSION == _SVID_) {
|
||||
exc.retval = HUGE;
|
||||
y *= 0.5;
|
||||
@ -454,9 +486,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 22:
|
||||
case 122:
|
||||
case 222:
|
||||
/* pow(x,y) underflow */
|
||||
exc.type = UNDERFLOW;
|
||||
exc.name = type < 100 ? "pow" : "powf";
|
||||
exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
|
||||
exc.retval = zero;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
errno = ERANGE;
|
||||
@ -466,9 +499,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 23:
|
||||
case 123:
|
||||
case 223:
|
||||
/* 0**neg */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "pow" : "powf";
|
||||
exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = zero;
|
||||
else
|
||||
@ -484,9 +518,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 24:
|
||||
case 124:
|
||||
case 224:
|
||||
/* neg**non-integral */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "pow" : "powf";
|
||||
exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = zero;
|
||||
else
|
||||
@ -502,9 +537,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 25:
|
||||
case 125:
|
||||
case 225:
|
||||
/* sinh(finite) overflow */
|
||||
exc.type = OVERFLOW;
|
||||
exc.name = type < 100 ? "sinh" : "sinhf";
|
||||
exc.name = type < 100 ? "sinh" : (type < 200
|
||||
? "sinhf" : "sinhl");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = ( (x>zero) ? HUGE : -HUGE);
|
||||
else
|
||||
@ -517,9 +554,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 26:
|
||||
case 126:
|
||||
case 226:
|
||||
/* sqrt(x<0) */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "sqrt" : "sqrtf";
|
||||
exc.name = type < 100 ? "sqrt" : (type < 200
|
||||
? "sqrtf" : "sqrtl");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = zero;
|
||||
else
|
||||
@ -535,9 +574,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 27:
|
||||
case 127:
|
||||
case 227:
|
||||
/* fmod(x,0) */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "fmod" : "fmodf";
|
||||
exc.name = type < 100 ? "fmod" : (type < 200
|
||||
? "fmodf" : "fmodl");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = x;
|
||||
else
|
||||
@ -553,9 +594,12 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 28:
|
||||
case 128:
|
||||
case 228:
|
||||
/* remainder(x,0) */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "remainder" : "remainderf";
|
||||
exc.name = type < 100 ? "remainder" : (type < 200
|
||||
? "remainderf"
|
||||
: "remainderl");
|
||||
exc.retval = zero/zero;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
errno = EDOM;
|
||||
@ -568,9 +612,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 29:
|
||||
case 129:
|
||||
case 229:
|
||||
/* acosh(x<1) */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "acosh" : "acoshf";
|
||||
exc.name = type < 100 ? "acosh" : (type < 200
|
||||
? "acoshf" : "acoshl");
|
||||
exc.retval = zero/zero;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
errno = EDOM;
|
||||
@ -583,9 +629,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 30:
|
||||
case 130:
|
||||
case 230:
|
||||
/* atanh(|x|>1) */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "atanh" : "atanhf";
|
||||
exc.name = type < 100 ? "atanh" : (type < 200
|
||||
? "atanhf" : "atanhl");
|
||||
exc.retval = zero/zero;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
errno = EDOM;
|
||||
@ -598,9 +646,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 31:
|
||||
case 131:
|
||||
case 231:
|
||||
/* atanh(|x|=1) */
|
||||
exc.type = SING;
|
||||
exc.name = type < 100 ? "atanh" : "atanhf";
|
||||
exc.name = type < 100 ? "atanh" : (type < 200
|
||||
? "atanhf" : "atanhl");
|
||||
exc.retval = x/zero; /* sign(x)*inf */
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
errno = EDOM;
|
||||
@ -613,9 +663,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 32:
|
||||
case 132:
|
||||
case 232:
|
||||
/* scalb overflow; SVID also returns +-HUGE_VAL */
|
||||
exc.type = OVERFLOW;
|
||||
exc.name = type < 100 ? "scalb" : "scalbf";
|
||||
exc.name = type < 100 ? "scalb" : (type < 200
|
||||
? "scalbf" : "scalbl");
|
||||
exc.retval = x > zero ? HUGE_VAL : -HUGE_VAL;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
errno = ERANGE;
|
||||
@ -625,9 +677,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 33:
|
||||
case 133:
|
||||
case 233:
|
||||
/* scalb underflow */
|
||||
exc.type = UNDERFLOW;
|
||||
exc.name = type < 100 ? "scalb" : "scalbf";
|
||||
exc.name = type < 100 ? "scalb" : (type < 200
|
||||
? "scalbf" : "scalbl");
|
||||
exc.retval = __copysign(zero,x);
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
errno = ERANGE;
|
||||
@ -637,9 +691,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 34:
|
||||
case 134:
|
||||
case 234:
|
||||
/* j0(|x|>X_TLOSS) */
|
||||
exc.type = TLOSS;
|
||||
exc.name = type < 100 ? "j0" : "j0f";
|
||||
exc.name = type < 100 ? "j0" : (type < 200 ? "j0f" : "j0l");
|
||||
exc.retval = zero;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
errno = ERANGE;
|
||||
@ -653,9 +708,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 35:
|
||||
case 135:
|
||||
case 235:
|
||||
/* y0(x>X_TLOSS) */
|
||||
exc.type = TLOSS;
|
||||
exc.name = type < 100 ? "y0" : "y0f";
|
||||
exc.name = type < 100 ? "y0" : (type < 200 ? "y0f" : "y0l");
|
||||
exc.retval = zero;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
errno = ERANGE;
|
||||
@ -669,9 +725,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 36:
|
||||
case 136:
|
||||
case 236:
|
||||
/* j1(|x|>X_TLOSS) */
|
||||
exc.type = TLOSS;
|
||||
exc.name = type < 100 ? "j1" : "j1f";
|
||||
exc.name = type < 100 ? "j1" : (type < 200 ? "j1f" : "j1l");
|
||||
exc.retval = zero;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
errno = ERANGE;
|
||||
@ -685,9 +742,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 37:
|
||||
case 137:
|
||||
case 237:
|
||||
/* y1(x>X_TLOSS) */
|
||||
exc.type = TLOSS;
|
||||
exc.name = type < 100 ? "y1" : "y1f";
|
||||
exc.name = type < 100 ? "y1" : (type < 200 ? "y1f" : "y1l");
|
||||
exc.retval = zero;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
errno = ERANGE;
|
||||
@ -701,9 +759,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 38:
|
||||
case 138:
|
||||
case 238:
|
||||
/* jn(|x|>X_TLOSS) */
|
||||
exc.type = TLOSS;
|
||||
exc.name = type < 100 ? "jn" : "jnf";
|
||||
exc.name = type < 100 ? "jn" : (type < 200 ? "jnf" : "jnl");
|
||||
exc.retval = zero;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
errno = ERANGE;
|
||||
@ -717,9 +776,10 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 39:
|
||||
case 139:
|
||||
case 239:
|
||||
/* yn(x>X_TLOSS) */
|
||||
exc.type = TLOSS;
|
||||
exc.name = type < 100 ? "yn" : "ynf";
|
||||
exc.name = type < 100 ? "yn" : (type < 200 ? "ynf" : "ynl");
|
||||
exc.retval = zero;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
errno = ERANGE;
|
||||
@ -733,9 +793,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 40:
|
||||
case 140:
|
||||
case 240:
|
||||
/* gamma(finite) overflow */
|
||||
exc.type = OVERFLOW;
|
||||
exc.name = type < 100 ? "gamma" : "gammaf";
|
||||
exc.name = type < 100 ? "gamma" : (type < 200
|
||||
? "gammaf" : "gammal");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = HUGE;
|
||||
else
|
||||
@ -748,9 +810,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 41:
|
||||
case 141:
|
||||
case 241:
|
||||
/* gamma(-integer) or gamma(0) */
|
||||
exc.type = SING;
|
||||
exc.name = type < 100 ? "gamma" : "gammaf";
|
||||
exc.name = type < 100 ? "gamma" : (type < 200
|
||||
? "gammaf" : "gammal");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = HUGE;
|
||||
else
|
||||
@ -766,10 +830,11 @@ static double zero = 0.0; /* used as const */
|
||||
break;
|
||||
case 42:
|
||||
case 142:
|
||||
case 242:
|
||||
/* pow(NaN,0.0) */
|
||||
/* error only if _LIB_VERSION == _SVID_ & _XOPEN_ */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "pow" : "powf";
|
||||
exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
|
||||
exc.retval = x;
|
||||
if (_LIB_VERSION == _IEEE_ ||
|
||||
_LIB_VERSION == _POSIX_) exc.retval = 1.0;
|
||||
|
||||
56
sysdeps/libm-ieee754/s_ilogbl.c
Normal file
56
sysdeps/libm-ieee754/s_ilogbl.c
Normal file
@ -0,0 +1,56 @@
|
||||
/* s_ilogbl.c -- long double version of s_ilogb.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/* ilogbl(long double x)
|
||||
* return the binary exponent of non-zero x
|
||||
* ilogbl(0) = 0x80000001
|
||||
* ilogbl(inf/NaN) = 0x7fffffff (no signal is raised)
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
#ifdef __STDC__
|
||||
int __ilogbl(long double x)
|
||||
#else
|
||||
int __ilogbl(x)
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
int32_t es,hx,lx,ix;
|
||||
|
||||
GET_LDOUBLE_EXP(es,x);
|
||||
es &= 0x7fff;
|
||||
if(es==0) {
|
||||
GET_LDOUBLE_WORDS(es,hx,lx,x);
|
||||
if((hx|lx)==0)
|
||||
return 0x80000001; /* ilogbl(0) = 0x80000001 */
|
||||
else /* subnormal x */
|
||||
if(hx==0) {
|
||||
for (ix = -16415; lx>0; lx<<=1) ix -=1;
|
||||
} else {
|
||||
for (ix = -16383; hx>0; hx<<=1) ix -=1;
|
||||
}
|
||||
return ix;
|
||||
}
|
||||
else if (es<0x7fff) return es-0x3fff;
|
||||
else return 0x7fffffff;
|
||||
}
|
||||
weak_alias (__ilogbl, ilogbl)
|
||||
@ -31,5 +31,6 @@ static char rcsid[] = "$NetBSD: s_isinf.c,v 1.3 1995/05/11 23:20:14 jtc Exp $";
|
||||
}
|
||||
weak_alias (__isinf, isinf)
|
||||
#ifdef NO_LONG_DOUBLE
|
||||
strong_alias (__isinf, __isinfl)
|
||||
weak_alias (__isinf, isinfl)
|
||||
#endif
|
||||
|
||||
47
sysdeps/libm-ieee754/s_logbl.c
Normal file
47
sysdeps/libm-ieee754/s_logbl.c
Normal file
@ -0,0 +1,47 @@
|
||||
/* s_logbl.c -- long double version of s_logb.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* long double logbl(x)
|
||||
* IEEE 754 logb. Included to pass IEEE test suite. Not recommend.
|
||||
* Use ilogb instead.
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __logbl(long double x)
|
||||
#else
|
||||
long double __logbl(x)
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
int32_t es,lx,ix;
|
||||
GET_LDOUBLE_WORDS(es,ix,lx,x);
|
||||
es &= 0x7fff; /* exponent */
|
||||
if((es|ix|lx)==0) return -1.0/fabs(x);
|
||||
if(es==0x7fff) return x*x;
|
||||
if(es==0) /* IEEE 754 logb */
|
||||
return -16382.0;
|
||||
else
|
||||
return (long double) (es-0x3fff);
|
||||
}
|
||||
weak_alias (__logbl, logbl)
|
||||
88
sysdeps/libm-ieee754/s_modfl.c
Normal file
88
sysdeps/libm-ieee754/s_modfl.c
Normal file
@ -0,0 +1,88 @@
|
||||
/* s_modfl.c -- long double version of s_modf.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* modfl(long double x, long double *iptr)
|
||||
* return fraction part of x, and return x's integral part in *iptr.
|
||||
* Method:
|
||||
* Bit twiddling.
|
||||
*
|
||||
* Exception:
|
||||
* No exception.
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
#ifdef __STDC__
|
||||
static const long double one = 1.0;
|
||||
#else
|
||||
static long double one = 1.0;
|
||||
#endif
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __modfl(long double x, long double *iptr)
|
||||
#else
|
||||
long double __modfl(x, iptr)
|
||||
long double x,*iptr;
|
||||
#endif
|
||||
{
|
||||
int32_t i0,i1,j0;
|
||||
u_int32_t i,se;
|
||||
GET_LDOUBLE_WORDS(se,i0,i1,x);
|
||||
j0 = (se&0x7fff)-0x3fff; /* exponent of x */
|
||||
if(j0<32) { /* integer part in high x */
|
||||
if(j0<0) { /* |x|<1 */
|
||||
SET_LDOUBLE_WORDS(*iptr,se&0x8000,0,0); /* *iptr = +-0 */
|
||||
return x;
|
||||
} else {
|
||||
i = (0xffffffff)>>j0;
|
||||
if(((i0&i)|i1)==0) { /* x is integral */
|
||||
u_int32_t high;
|
||||
*iptr = x;
|
||||
GET_HIGH_WORD(high,x);
|
||||
INSERT_WORDS(x,high&0x80000000,0); /* return +-0 */
|
||||
return x;
|
||||
} else {
|
||||
INSERT_WORDS(*iptr,i0&(~i),0);
|
||||
return x - *iptr;
|
||||
}
|
||||
}
|
||||
} else if (j0>63) { /* no fraction part */
|
||||
u_int32_t high;
|
||||
*iptr = x*one;
|
||||
GET_HIGH_WORD(high,x);
|
||||
INSERT_WORDS(x,high&0x80000000,0); /* return +-0 */
|
||||
return x;
|
||||
} else { /* fraction part in low x */
|
||||
i = ((u_int32_t)(0xffffffff))>>(j0-20);
|
||||
if((i1&i)==0) { /* x is integral */
|
||||
u_int32_t high;
|
||||
*iptr = x;
|
||||
GET_HIGH_WORD(high,x);
|
||||
INSERT_WORDS(x,high&0x80000000,0); /* return +-0 */
|
||||
return x;
|
||||
} else {
|
||||
INSERT_WORDS(*iptr,i0,i1&(~i));
|
||||
return x - *iptr;
|
||||
}
|
||||
}
|
||||
}
|
||||
weak_alias (__modfl, modfl)
|
||||
47
sysdeps/libm-ieee754/w_acoshl.c
Normal file
47
sysdeps/libm-ieee754/w_acoshl.c
Normal file
@ -0,0 +1,47 @@
|
||||
/* w_acoshl.c -- long double version of w_acosh.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper acoshl(x)
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __acoshl(long double x) /* wrapper acosh */
|
||||
#else
|
||||
long double __acoshl(x) /* wrapper acosh */
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_acoshl(x);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_acoshl(x);
|
||||
if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
|
||||
if(x<1.0) {
|
||||
return __kernel_standard(x,x,229); /* acoshl(x<1) */
|
||||
} else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__acoshl, acoshl)
|
||||
48
sysdeps/libm-ieee754/w_acosl.c
Normal file
48
sysdeps/libm-ieee754/w_acosl.c
Normal file
@ -0,0 +1,48 @@
|
||||
/* w_acosl.c -- long double version of w_acos.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrap_acosl(x)
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __acosl(long double x) /* wrapper acos */
|
||||
#else
|
||||
long double __acosl(x) /* wrapper acos */
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_acosl(x);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_acosl(x);
|
||||
if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
|
||||
if(fabsl(x)>1.0) {
|
||||
return __kernel_standard(x,x,201); /* acosl(|x|>1) */
|
||||
} else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__acosl, acosl)
|
||||
49
sysdeps/libm-ieee754/w_asinl.c
Normal file
49
sysdeps/libm-ieee754/w_asinl.c
Normal file
@ -0,0 +1,49 @@
|
||||
/* w_asinl.c -- long double version of w_asin.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper asinl(x)
|
||||
*/
|
||||
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __asinl(long double x) /* wrapper asinl */
|
||||
#else
|
||||
long double __asinl(x) /* wrapper asinl */
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_asinl(x);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_asinl(x);
|
||||
if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
|
||||
if(fabsl(x)>1.0) {
|
||||
return __kernel_standard(x,x,202); /* asinl(|x|>1) */
|
||||
} else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__asinl, asinl)
|
||||
48
sysdeps/libm-ieee754/w_atan2l.c
Normal file
48
sysdeps/libm-ieee754/w_atan2l.c
Normal file
@ -0,0 +1,48 @@
|
||||
/* w_atan2l.c -- long double version of w_atan2.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper atan2l(y,x)
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __atan2l(long double y, long double x) /* wrapper atan2l */
|
||||
#else
|
||||
long double __atan2l(y,x) /* wrapper atan2l */
|
||||
long double y,x;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_atan2l(y,x);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_atan2l(y,x);
|
||||
if(_LIB_VERSION == _IEEE_||__isnanl(x)||__isnanl(y)) return z;
|
||||
if(x==0.0&&y==0.0) {
|
||||
return __kernel_standard(y,x,203); /* atan2l(+-0,+-0) */
|
||||
} else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__atan2l, atan2l)
|
||||
52
sysdeps/libm-ieee754/w_atanhl.c
Normal file
52
sysdeps/libm-ieee754/w_atanhl.c
Normal file
@ -0,0 +1,52 @@
|
||||
/* w_atanhl.c -- long double version of w_atanh.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper atanhl(x)
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __atanhl(long double x) /* wrapper atanhl */
|
||||
#else
|
||||
long double __atanhl(x) /* wrapper atanhl */
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_atanhl(x);
|
||||
#else
|
||||
long double z,y;
|
||||
z = __ieee754_atanhl(x);
|
||||
if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
|
||||
y = fabsl(x);
|
||||
if(y>=1.0) {
|
||||
if(y>1.0)
|
||||
return __kernel_standard(x,x,230); /* atanhl(|x|>1) */
|
||||
else
|
||||
return __kernel_standard(x,x,231); /* atanhl(|x|==1) */
|
||||
} else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__atanhl, atanhl)
|
||||
18
sysdeps/libm-ieee754/w_cabsl.c
Normal file
18
sysdeps/libm-ieee754/w_cabsl.c
Normal file
@ -0,0 +1,18 @@
|
||||
/*
|
||||
* cabsl() wrapper for hypotl().
|
||||
*
|
||||
* Written by J.T. Conklin, <jtc@wimsey.com>
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
* Placed into the Public Domain, 1994.
|
||||
*/
|
||||
|
||||
#include <math.h>
|
||||
|
||||
long double
|
||||
__cabsl(z)
|
||||
struct __cabsl_complex z;
|
||||
{
|
||||
return __hypotl(z.x, z.y);
|
||||
}
|
||||
weak_alias (__cabsl, cabsl)
|
||||
47
sysdeps/libm-ieee754/w_coshl.c
Normal file
47
sysdeps/libm-ieee754/w_coshl.c
Normal file
@ -0,0 +1,47 @@
|
||||
/* w_acoshl.c -- long double version of w_acosh.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper coshl(x)
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __coshl(long double x) /* wrapper coshl */
|
||||
#else
|
||||
long double __coshl(x) /* wrapper coshl */
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_coshl(x);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_coshl(x);
|
||||
if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
|
||||
if(fabsl(x)>7.10475860073943863426e+02) {
|
||||
return __kernel_standard(x,x,205); /* cosh overflow */
|
||||
} else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__coshl, coshl)
|
||||
18
sysdeps/libm-ieee754/w_dreml.c
Normal file
18
sysdeps/libm-ieee754/w_dreml.c
Normal file
@ -0,0 +1,18 @@
|
||||
/*
|
||||
* dreml() wrapper for remainderl().
|
||||
*
|
||||
* Written by J.T. Conklin, <jtc@wimsey.com>
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
* Placed into the Public Domain, 1994.
|
||||
*/
|
||||
|
||||
#include <math.h>
|
||||
|
||||
long double
|
||||
__dreml(x, y)
|
||||
long double x, y;
|
||||
{
|
||||
return __remainderl(x, y);
|
||||
}
|
||||
weak_alias (__dreml, dreml)
|
||||
60
sysdeps/libm-ieee754/w_expl.c
Normal file
60
sysdeps/libm-ieee754/w_expl.c
Normal file
@ -0,0 +1,60 @@
|
||||
/* w_expl.c -- long double version of w_exp.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper expl(x)
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
#ifdef __STDC__
|
||||
static const long double
|
||||
#else
|
||||
static long double
|
||||
#endif
|
||||
o_threshold= 1.135652340629414394949193107797076489134e4,
|
||||
/* 0x400C, 0xB17217F7, 0xD1CF79AC */
|
||||
u_threshold= -1.140019167866942050398521670162263001513e4;
|
||||
/* 0x400C, 0xB220C447, 0x69C201E8 */
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __expl(long double x) /* wrapper exp */
|
||||
#else
|
||||
long double __expl(x) /* wrapper exp */
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_expl(x);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_expl(x);
|
||||
if(_LIB_VERSION == _IEEE_) return z;
|
||||
if(__finitel(x)) {
|
||||
if(x>o_threshold)
|
||||
return __kernel_standard(x,x,206); /* exp overflow */
|
||||
else if(x<u_threshold)
|
||||
return __kernel_standard(x,x,207); /* exp underflow */
|
||||
}
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__expl, expl)
|
||||
48
sysdeps/libm-ieee754/w_fmodl.c
Normal file
48
sysdeps/libm-ieee754/w_fmodl.c
Normal file
@ -0,0 +1,48 @@
|
||||
/* w_fmodl.c -- long double version of w_fmod.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper fmodl(x,y)
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __fmodl(long double x, long double y)/* wrapper fmodl */
|
||||
#else
|
||||
long double __fmodl(x,y) /* wrapper fmodl */
|
||||
long double x,y;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_fmodl(x,y);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_fmodl(x,y);
|
||||
if(_LIB_VERSION == _IEEE_ ||__isnanl(y)||__isnanl(x)) return z;
|
||||
if(y==0.0) {
|
||||
return __kernel_standard(x,y,227); /* fmod(x,0) */
|
||||
} else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__fmodl, fmodl)
|
||||
54
sysdeps/libm-ieee754/w_gammal.c
Normal file
54
sysdeps/libm-ieee754/w_gammal.c
Normal file
@ -0,0 +1,54 @@
|
||||
/* w_gammal.c -- long double version of w_gamma.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/* long double gammal(double x)
|
||||
* Return the logarithm of the Gamma function of x.
|
||||
*
|
||||
* Method: call gammal_r
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
extern int signgam;
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __gammal(long double x)
|
||||
#else
|
||||
long double __gammal(x)
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_lgammal_r(x,&signgam);
|
||||
#else
|
||||
long double y;
|
||||
y = __ieee754_lgammal_r(x,&signgam);
|
||||
if(_LIB_VERSION == _IEEE_) return y;
|
||||
if(!__finitel(y)&&__finitel(x)) {
|
||||
if(__floorl(x)==x&&x<=0.0)
|
||||
return __kernel_standard(x,x,241); /* gamma pole */
|
||||
else
|
||||
return __kernel_standard(x,x,240); /* gamma overflow */
|
||||
} else
|
||||
return y;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__gammal, gammal)
|
||||
52
sysdeps/libm-ieee754/w_gammal_r.c
Normal file
52
sysdeps/libm-ieee754/w_gammal_r.c
Normal file
@ -0,0 +1,52 @@
|
||||
/* w_gammal_r.c -- long double version of w_gamma_r.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper long double gammal_r(long double x, int *signgamp)
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __gammal_r(long double x, int *signgamp)
|
||||
/* wrapper lgammal_r */
|
||||
#else
|
||||
long double __gammal_r(x,signgamp) /* wrapper lgamma_r */
|
||||
long double x; int *signgamp;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_lgammal_r(x,signgamp);
|
||||
#else
|
||||
long double y;
|
||||
y = __ieee754_lgammal_r(x,signgamp);
|
||||
if(_LIB_VERSION == _IEEE_) return y;
|
||||
if(!__finitel(y)&&__finitel(x)) {
|
||||
if(__floorl(x)==x&&x<=0.0)
|
||||
return __kernel_standard(x,x,241); /* gamma pole */
|
||||
else
|
||||
return __kernel_standard(x,x,240); /* gamma overflow */
|
||||
} else
|
||||
return y;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__gammal_r, gammal_r)
|
||||
48
sysdeps/libm-ieee754/w_hypotl.c
Normal file
48
sysdeps/libm-ieee754/w_hypotl.c
Normal file
@ -0,0 +1,48 @@
|
||||
/* w_hypotl.c -- long double version of w_hypot.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper hypotl(x,y)
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __hypotl(longdouble x, long double y)/* wrapper hypotl */
|
||||
#else
|
||||
long double __hypotl(x,y) /* wrapper hypotl */
|
||||
long double x,y;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_hypotl(x,y);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_hypotl(x,y);
|
||||
if(_LIB_VERSION == _IEEE_) return z;
|
||||
if((!__finitel(z))&&__finitel(x)&&__finitel(y))
|
||||
return __kernel_standard(x,y,204); /* hypot overflow */
|
||||
else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__hypotl, hypotl)
|
||||
75
sysdeps/libm-ieee754/w_j0l.c
Normal file
75
sysdeps/libm-ieee754/w_j0l.c
Normal file
@ -0,0 +1,75 @@
|
||||
/* w_j0l.c -- long double version of w_j0.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper j0l(long double x), y0l(long double x)
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __j0l(long double x) /* wrapper j0l */
|
||||
#else
|
||||
long double __j0l(x) /* wrapper j0 */
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_j0l(x);
|
||||
#else
|
||||
long double z = __ieee754_j0l(x);
|
||||
if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
|
||||
if(fabsl(x)>X_TLOSS) {
|
||||
return __kernel_standard(x,x,234); /* j0(|x|>X_TLOSS) */
|
||||
} else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__j0l, j0l)
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __y0l(long double x) /* wrapper y0l */
|
||||
#else
|
||||
long double __y0l(x) /* wrapper y0 */
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_y0l(x);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_y0l(x);
|
||||
if(_LIB_VERSION == _IEEE_ || __isnanl(x) ) return z;
|
||||
if(x <= 0.0){
|
||||
if(x==0.0)
|
||||
/* d= -one/(x-x); */
|
||||
return __kernel_standard(x,x,208);
|
||||
else
|
||||
/* d = zero/(x-x); */
|
||||
return __kernel_standard(x,x,209);
|
||||
}
|
||||
if(x>X_TLOSS) {
|
||||
return __kernel_standard(x,x,235); /* y0(x>X_TLOSS) */
|
||||
} else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__y0l, y0l)
|
||||
76
sysdeps/libm-ieee754/w_j1l.c
Normal file
76
sysdeps/libm-ieee754/w_j1l.c
Normal file
@ -0,0 +1,76 @@
|
||||
/* w_j1l.c -- long double version of w_j1.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper of j1l,y1l
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __j1l(long double x) /* wrapper j1l */
|
||||
#else
|
||||
long double __j1l(x) /* wrapper j1l */
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_j1l(x);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_j1l(x);
|
||||
if(_LIB_VERSION == _IEEE_ || __isnanl(x) ) return z;
|
||||
if(fabsl(x)>X_TLOSS) {
|
||||
return __kernel_standard(x,x,236); /* j1(|x|>X_TLOSS) */
|
||||
} else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__j1l, j1l)
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __y1l(long double x) /* wrapper y1l */
|
||||
#else
|
||||
long double __y1l(x) /* wrapper y1l */
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_y1l(x);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_y1l(x);
|
||||
if(_LIB_VERSION == _IEEE_ || __isnanl(x) ) return z;
|
||||
if(x <= 0.0){
|
||||
if(x==0.0)
|
||||
/* d= -one/(x-x); */
|
||||
return __kernel_standard(x,x,210);
|
||||
else
|
||||
/* d = zero/(x-x); */
|
||||
return __kernel_standard(x,x,211);
|
||||
}
|
||||
if(x>X_TLOSS) {
|
||||
return __kernel_standard(x,x,237); /* y1(x>X_TLOSS) */
|
||||
} else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__y1l, y1l)
|
||||
98
sysdeps/libm-ieee754/w_jnl.c
Normal file
98
sysdeps/libm-ieee754/w_jnl.c
Normal file
@ -0,0 +1,98 @@
|
||||
/* w_jnl.c -- long double version of w_jn.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper jn(int n, double x), yn(int n, double x)
|
||||
* floating point Bessel's function of the 1st and 2nd kind
|
||||
* of order n
|
||||
*
|
||||
* Special cases:
|
||||
* y0(0)=y1(0)=yn(n,0) = -inf with division by zero signal;
|
||||
* y0(-ve)=y1(-ve)=yn(n,-ve) are NaN with invalid signal.
|
||||
* Note 2. About jn(n,x), yn(n,x)
|
||||
* For n=0, j0(x) is called,
|
||||
* for n=1, j1(x) is called,
|
||||
* for n<x, forward recursion us used starting
|
||||
* from values of j0(x) and j1(x).
|
||||
* for n>x, a continued fraction approximation to
|
||||
* j(n,x)/j(n-1,x) is evaluated and then backward
|
||||
* recursion is used starting from a supposed value
|
||||
* for j(n,x). The resulting value of j(0,x) is
|
||||
* compared with the actual value to correct the
|
||||
* supposed value of j(n,x).
|
||||
*
|
||||
* yn(n,x) is similar in all respects, except
|
||||
* that forward recursion is used for all
|
||||
* values of n>1.
|
||||
*
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __jnl(int n, long double x) /* wrapper jnl */
|
||||
#else
|
||||
long double __jnl(n,x) /* wrapper jnl */
|
||||
long double x; int n;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_jnl(n,x);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_jnl(n,x);
|
||||
if(_LIB_VERSION == _IEEE_ || __isnanl(x) ) return z;
|
||||
if(fabsl(x)>X_TLOSS) {
|
||||
return __kernel_standard((double)n,x,238); /* jn(|x|>X_TLOSS,n) */
|
||||
} else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__jnl, jnl)
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __ynl(int n, long double x) /* wrapper ynl */
|
||||
#else
|
||||
long double __ynl(n,x) /* wrapper ynl */
|
||||
long double x; int n;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_ynl(n,x);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_ynl(n,x);
|
||||
if(_LIB_VERSION == _IEEE_ || __isnanl(x) ) return z;
|
||||
if(x <= 0.0){
|
||||
if(x==0.0)
|
||||
/* d= -one/(x-x); */
|
||||
return __kernel_standard((double)n,x,212);
|
||||
else
|
||||
/* d = zero/(x-x); */
|
||||
return __kernel_standard((double)n,x,213);
|
||||
}
|
||||
if(x>X_TLOSS) {
|
||||
return __kernel_standard((double)n,x,239); /* yn(x>X_TLOSS,n) */
|
||||
} else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__ynl, ynl)
|
||||
54
sysdeps/libm-ieee754/w_lgammal.c
Normal file
54
sysdeps/libm-ieee754/w_lgammal.c
Normal file
@ -0,0 +1,54 @@
|
||||
/* w_lgammal.c -- long double version of w_lgamma.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/* long double lgammal(long double x)
|
||||
* Return the logarithm of the Gamma function of x.
|
||||
*
|
||||
* Method: call __ieee754_lgammal_r
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
extern int signgam;
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __lgammal(long double x)
|
||||
#else
|
||||
long double __lgammal(x)
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_lgammal_r(x,&signgam);
|
||||
#else
|
||||
long double y;
|
||||
y = __ieee754_lgammal_r(x,&signgam);
|
||||
if(_LIB_VERSION == _IEEE_) return y;
|
||||
if(!__finitel(y)&&__finitel(x)) {
|
||||
if(__floorl(x)==x&&x<=0.0)
|
||||
return __kernel_standard(x,x,215); /* lgamma pole */
|
||||
else
|
||||
return __kernel_standard(x,x,214); /* lgamma overflow */
|
||||
} else
|
||||
return y;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__lgammal, lgammal)
|
||||
52
sysdeps/libm-ieee754/w_lgammal_r.c
Normal file
52
sysdeps/libm-ieee754/w_lgammal_r.c
Normal file
@ -0,0 +1,52 @@
|
||||
/* w_lgammal_r.c -- long double version of w_lgamma_r.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper long double lgammal_r(long double x, int *signgamp)
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __lgammal_r(long double x, int *signgamp)
|
||||
/* wrapper lgamma_r */
|
||||
#else
|
||||
long double __lgammal_r(x,signgamp) /* wrapper lgamma_r */
|
||||
long double x; int *signgamp;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_lgammal_r(x,signgamp);
|
||||
#else
|
||||
long double y;
|
||||
y = __ieee754_lgammal_r(x,signgamp);
|
||||
if(_LIB_VERSION == _IEEE_) return y;
|
||||
if(!__finitel(y)&&__finitel(x)) {
|
||||
if(__floorl(x)==x&&x<=0.0)
|
||||
return __kernel_standard(x,x,215); /* lgamma pole */
|
||||
else
|
||||
return __kernel_standard(x,x,214); /* lgamma overflow */
|
||||
} else
|
||||
return y;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__lgammal_r, lgammal_r)
|
||||
51
sysdeps/libm-ieee754/w_log10l.c
Normal file
51
sysdeps/libm-ieee754/w_log10l.c
Normal file
@ -0,0 +1,51 @@
|
||||
/* w_log10l.c -- long double version of w_log10.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper log10l(X)
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __log10l(long double x) /* wrapper log10l */
|
||||
#else
|
||||
long double __log10l(x) /* wrapper log10l */
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_log10l(x);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_log10l(x);
|
||||
if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
|
||||
if(x<=0.0) {
|
||||
if(x==0.0)
|
||||
return __kernel_standard(x,x,218); /* log10(0) */
|
||||
else
|
||||
return __kernel_standard(x,x,219); /* log10(x<0) */
|
||||
} else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__log10l, log10l)
|
||||
48
sysdeps/libm-ieee754/w_logl.c
Normal file
48
sysdeps/libm-ieee754/w_logl.c
Normal file
@ -0,0 +1,48 @@
|
||||
/* w_logl.c -- long double version of w_log.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper logl(x)
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __logl(long double x) /* wrapper logl */
|
||||
#else
|
||||
long double __logl(x) /* wrapper logl */
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_logl(x);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_logl(x);
|
||||
if(_LIB_VERSION == _IEEE_ || __isnanl(x) || x > 0.0) return z;
|
||||
if(x==0.0)
|
||||
return __kernel_standard(x,x,216); /* log(0) */
|
||||
else
|
||||
return __kernel_standard(x,x,217); /* log(x<0) */
|
||||
#endif
|
||||
}
|
||||
weak_alias (__logl, logl)
|
||||
64
sysdeps/libm-ieee754/w_powl.c
Normal file
64
sysdeps/libm-ieee754/w_powl.c
Normal file
@ -0,0 +1,64 @@
|
||||
/* w_powl.c -- long double version of w_pow.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
/*
|
||||
* wrapper powl(x,y) return x**y
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __powl(long double x, long double y)/* wrapper powl */
|
||||
#else
|
||||
long double __powl(x,y) /* wrapper powl */
|
||||
long double x,y;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_powl(x,y);
|
||||
#else
|
||||
long double z;
|
||||
z=__ieee754_powl(x,y);
|
||||
if(_LIB_VERSION == _IEEE_|| __isnanl(y)) return z;
|
||||
if(__isnanl(x)) {
|
||||
if(y==0.0)
|
||||
return __kernel_standard(x,y,242); /* pow(NaN,0.0) */
|
||||
else
|
||||
return z;
|
||||
}
|
||||
if(x==0.0){
|
||||
if(y==0.0)
|
||||
return __kernel_standard(x,y,220); /* pow(0.0,0.0) */
|
||||
if(__finite(y)&&y<0.0)
|
||||
return __kernel_standard(x,y,223); /* pow(0.0,negative) */
|
||||
return z;
|
||||
}
|
||||
if(!__finitel(z)) {
|
||||
if(__finitel(x)&&__finitel(y)) {
|
||||
if(__isnanl(z))
|
||||
return __kernel_standard(x,y,224); /* pow neg**non-int */
|
||||
else
|
||||
return __kernel_standard(x,y,221); /* pow overflow */
|
||||
}
|
||||
}
|
||||
if(z==0.0&&__finitel(x)&&__finitel(y))
|
||||
return __kernel_standard(x,y,222); /* pow underflow */
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__powl, powl)
|
||||
48
sysdeps/libm-ieee754/w_remainderl.c
Normal file
48
sysdeps/libm-ieee754/w_remainderl.c
Normal file
@ -0,0 +1,48 @@
|
||||
/* w_remainderl.c -- long double version of w_remainder.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper remainderl(x,p)
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __remainderl(long double x, long double y)
|
||||
/* wrapper remainderl */
|
||||
#else
|
||||
long double __remainderl(x,y) /* wrapper remainder */
|
||||
long double x,y;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_remainderl(x,y);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_remainderl(x,y);
|
||||
if(_LIB_VERSION == _IEEE_ || __isnanl(y)) return z;
|
||||
if(y==0.0)
|
||||
return __kernel_standard(x,y,228); /* remainder(x,0) */
|
||||
else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__remainderl, remainderl)
|
||||
65
sysdeps/libm-ieee754/w_scalbl.c
Normal file
65
sysdeps/libm-ieee754/w_scalbl.c
Normal file
@ -0,0 +1,65 @@
|
||||
/* w_scalbl.c -- long double version of w_scalb.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper scalbl(long double x, long double fn) is provide for
|
||||
* passing various standard test suite. One
|
||||
* should use scalbnl() instead.
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
#include <errno.h>
|
||||
|
||||
#ifdef __STDC__
|
||||
#ifdef _SCALB_INT
|
||||
long double __scalbl(long double x, int fn) /* wrapper scalbl */
|
||||
#else
|
||||
long double __scalbl(long double x, long double fn)/* wrapper scalbl */
|
||||
#endif
|
||||
#else
|
||||
long double __scalbl(x,fn) /* wrapper scalbl */
|
||||
#ifdef _SCALB_INT
|
||||
long double x; int fn;
|
||||
#else
|
||||
long double x,fn;
|
||||
#endif
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_scalbl(x,fn);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_scalbl(x,fn);
|
||||
if(_LIB_VERSION == _IEEE_) return z;
|
||||
if(!(__finitel(z)||__isnanl(z))&&__finitel(x)) {
|
||||
return __kernel_standard(x,(double)fn,232); /* scalb overflow */
|
||||
}
|
||||
if(z==0.0&&z!=x) {
|
||||
return __kernel_standard(x,(double)fn,233); /* scalb underflow */
|
||||
}
|
||||
#ifndef _SCALB_INT
|
||||
if(!__finitel(fn)) errno = ERANGE;
|
||||
#endif
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__scalbl, scalbl)
|
||||
47
sysdeps/libm-ieee754/w_sinhl.c
Normal file
47
sysdeps/libm-ieee754/w_sinhl.c
Normal file
@ -0,0 +1,47 @@
|
||||
/* w_sinhl.c -- long double version of w_sinh.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper sinhl(x)
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __sinhl(long double x) /* wrapper sinhl */
|
||||
#else
|
||||
long double __sinhl(x) /* wrapper sinhl */
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_sinhl(x);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_sinhl(x);
|
||||
if(_LIB_VERSION == _IEEE_) return z;
|
||||
if(!__finitel(z)&&__finitel(x)) {
|
||||
return __kernel_standard(x,x,225); /* sinh overflow */
|
||||
} else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__sinhl, sinhl)
|
||||
47
sysdeps/libm-ieee754/w_sqrtl.c
Normal file
47
sysdeps/libm-ieee754/w_sqrtl.c
Normal file
@ -0,0 +1,47 @@
|
||||
/* w_sqrtl.c -- long double version of w_sqrt.c.
|
||||
* Conversion to long double by Ulrich Drepper,
|
||||
* Cygnus Support, drepper@cygnus.com.
|
||||
*/
|
||||
|
||||
/*
|
||||
* ====================================================
|
||||
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||||
*
|
||||
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||||
* Permission to use, copy, modify, and distribute this
|
||||
* software is freely granted, provided that this notice
|
||||
* is preserved.
|
||||
* ====================================================
|
||||
*/
|
||||
|
||||
#if defined(LIBM_SCCS) && !defined(lint)
|
||||
static char rcsid[] = "$NetBSD: $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* wrapper sqrtl(x)
|
||||
*/
|
||||
|
||||
#include "math.h"
|
||||
#include "math_private.h"
|
||||
|
||||
#ifdef __STDC__
|
||||
long double __sqrtl(long double x) /* wrapper sqrtl */
|
||||
#else
|
||||
long double __sqrtl(x) /* wrapper sqrtl */
|
||||
long double x;
|
||||
#endif
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_sqrtl(x);
|
||||
#else
|
||||
long double z;
|
||||
z = __ieee754_sqrtl(x);
|
||||
if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
|
||||
if(x<0.0) {
|
||||
return __kernel_standard(x,x,226); /* sqrt(negative) */
|
||||
} else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
weak_alias (__sqrtl, sqrtl)
|
||||
41
sysdeps/mach/hurd/getlogin_r.c
Normal file
41
sysdeps/mach/hurd/getlogin_r.c
Normal file
@ -0,0 +1,41 @@
|
||||
/* Reentrant function to return the current login name. Hurd version.
|
||||
Copyright (C) 1996 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Library General Public License as
|
||||
published by the Free Software Foundation; either version 2 of the
|
||||
License, or (at your option) any later version.
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with the GNU C Library; see the file COPYING.LIB. If
|
||||
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
#include <errno.h>
|
||||
#include <unistd.h>
|
||||
#include <hurd.h>
|
||||
#include <string.h>
|
||||
|
||||
/* Return at most NAME_LEN characters of the login name of the user in NAME.
|
||||
If it cannot be determined or some other error occured, return the error
|
||||
code. Otherwise return 0. */
|
||||
int
|
||||
getlogin_r (name, name_len)
|
||||
char *name;
|
||||
size_t name_len;
|
||||
{
|
||||
static char login[1024]; /* XXX */
|
||||
error_t err;
|
||||
|
||||
if (err = __USEPORT (PROC, __proc_getlogin (port, login)))
|
||||
return errno = err;
|
||||
|
||||
strncpy (name, login, name_len);
|
||||
return 0;
|
||||
}
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1991, 1992, 1993, 1995 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1991, 92, 93, 95, 96 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -48,7 +48,7 @@ ttyname_r (fd, buf, buflen)
|
||||
|
||||
/* Test for the absolute minimal size. This makes life easier inside
|
||||
the loop. */
|
||||
if (buflen < sizeof (dev) + 2)
|
||||
if (buflen < (int) (sizeof (dev) + 2))
|
||||
{
|
||||
errno = EINVAL;
|
||||
return -1;
|
||||
@ -73,8 +73,8 @@ ttyname_r (fd, buf, buflen)
|
||||
{
|
||||
char *cp;
|
||||
|
||||
cp = stpncpy (&buf[sizeof (dev) + 1], d->d_name,
|
||||
MIN (d->d_namlen + 1, buflen));
|
||||
cp = __stpncpy (&buf[sizeof (dev) + 1], d->d_name,
|
||||
MIN ((int) (_D_EXACT_NAMLEN (d) + 1), buflen));
|
||||
cp[0] = '\0';
|
||||
|
||||
if (stat (buf, &st) == 0 && st.st_dev == mydev)
|
||||
|
||||
35
sysdeps/stub/getlogin_r.c
Normal file
35
sysdeps/stub/getlogin_r.c
Normal file
@ -0,0 +1,35 @@
|
||||
/* Reentrant function to return the current login name. Stub version.
|
||||
Copyright (C) 1996 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Library General Public License as
|
||||
published by the Free Software Foundation; either version 2 of the
|
||||
License, or (at your option) any later version.
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with the GNU C Library; see the file COPYING.LIB. If
|
||||
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
#include <errno.h>
|
||||
#include <unistd.h>
|
||||
|
||||
/* Return at most NAME_LEN characters of the login name of the user in NAME.
|
||||
If it cannot be determined or some other error occured, return the error
|
||||
code. Otherwise return 0. */
|
||||
int
|
||||
getlogin_r (name, name_len)
|
||||
char *name;
|
||||
size_t name_len;
|
||||
{
|
||||
errno = ENOSYS;
|
||||
return errno;
|
||||
}
|
||||
|
||||
stub_warning (getlogin_r)
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1991, 1992, 1996 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -17,7 +17,6 @@ not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
||||
Cambridge, MA 02139, USA. */
|
||||
|
||||
#include <ansidecl.h>
|
||||
#include <stddef.h>
|
||||
#include <errno.h>
|
||||
#include <unistd.h>
|
||||
#include <string.h>
|
||||
@ -27,38 +26,29 @@ Cambridge, MA 02139, USA. */
|
||||
|
||||
#include <utmp.h>
|
||||
|
||||
/* Defined in ttyname.c. */
|
||||
extern char *__ttyname;
|
||||
|
||||
/* Return the login name of the user, or NULL if it can't be determined.
|
||||
The returned pointer, if not NULL, is good only until the next call. */
|
||||
|
||||
char *
|
||||
DEFUN_VOID(getlogin)
|
||||
{
|
||||
char save_tty_pathname[2 + 2 * NAME_MAX];
|
||||
char *save_ttyname;
|
||||
char *real_tty_path;
|
||||
char tty_pathname[2 + 2 * NAME_MAX];
|
||||
char *real_tty_path = tty_pathname;
|
||||
char *result = NULL;
|
||||
FILE *f;
|
||||
static struct utmp ut;
|
||||
|
||||
if (__ttyname == NULL)
|
||||
save_ttyname = NULL;
|
||||
else
|
||||
save_ttyname = strcpy (save_tty_pathname, __ttyname);
|
||||
static struct utmp_data utmp_data;
|
||||
struct utmp *ut;
|
||||
|
||||
{
|
||||
int err;
|
||||
int err = 0;
|
||||
int d = __open ("/dev/tty", 0);
|
||||
if (d < 0)
|
||||
return NULL;
|
||||
|
||||
real_tty_path = ttyname (d);
|
||||
if (ttyname_r (d, real_tty_path, sizeof (tty_pathname)) < 0)
|
||||
err = errno;
|
||||
(void) close (d);
|
||||
|
||||
if (real_tty_path == NULL)
|
||||
if (errno != 0)
|
||||
{
|
||||
errno = err;
|
||||
return NULL;
|
||||
@ -67,24 +57,18 @@ DEFUN_VOID(getlogin)
|
||||
|
||||
real_tty_path += 5; /* Remove "/dev/". */
|
||||
|
||||
f = fopen ("/etc/utmp", "r");
|
||||
if (f != NULL)
|
||||
setutent_r (&utmp_data);
|
||||
if (getutline_r (real_tty_path, &ut, &utmp_data) < 0)
|
||||
{
|
||||
while (fread ((PTR) &ut, sizeof(ut), 1, f) == 1)
|
||||
if (!strncmp (ut.ut_line, real_tty_path, sizeof (ut.ut_line)))
|
||||
{
|
||||
result = ut.ut_name;
|
||||
/* The name is not null-terminated if
|
||||
it is as long as sizeof (ut.ut_name). */
|
||||
result[sizeof (ut.ut_name)] = '\0';
|
||||
break;
|
||||
}
|
||||
(void) fclose (f);
|
||||
}
|
||||
|
||||
if (save_ttyname != NULL)
|
||||
strcpy (__ttyname, save_ttyname);
|
||||
if (result == NULL)
|
||||
if (errno == ESRCH)
|
||||
/* The caller expects ENOENT if nothing is found. */
|
||||
errno = ENOENT;
|
||||
result = NULL;
|
||||
}
|
||||
else
|
||||
result = ut->ut_line;
|
||||
|
||||
endutent_r (&utmp_data);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
80
sysdeps/unix/getlogin_r.c
Normal file
80
sysdeps/unix/getlogin_r.c
Normal file
@ -0,0 +1,80 @@
|
||||
/* Reentrant function to return the current login name. Unix version.
|
||||
Copyright (C) 1991, 1992, 1996 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Library General Public License as
|
||||
published by the Free Software Foundation; either version 2 of the
|
||||
License, or (at your option) any later version.
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with the GNU C Library; see the file COPYING.LIB. If
|
||||
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
||||
Cambridge, MA 02139, USA. */
|
||||
|
||||
#include <errno.h>
|
||||
#include <unistd.h>
|
||||
#include <string.h>
|
||||
#include <stdio.h>
|
||||
#include <limits.h>
|
||||
#include <fcntl.h>
|
||||
|
||||
#include <utmp.h>
|
||||
|
||||
/* Return at most NAME_LEN characters of the login name of the user in NAME.
|
||||
If it cannot be determined or some other error occured, return the error
|
||||
code. Otherwise return 0. */
|
||||
|
||||
int
|
||||
getlogin_r (name, name_len)
|
||||
char *name;
|
||||
size_t name_len;
|
||||
{
|
||||
char tty_pathname[2 + 2 * NAME_MAX];
|
||||
char *real_tty_path = tty_pathname;
|
||||
int result = 0;
|
||||
struct utmp_data utmp_data;
|
||||
struct utmp *ut;
|
||||
|
||||
{
|
||||
int err;
|
||||
int d = __open ("/dev/tty", 0);
|
||||
if (d < 0)
|
||||
return errno;
|
||||
|
||||
result = ttyname_r (d, real_tty_path, sizeof (tty_pathname));
|
||||
err = errno;
|
||||
(void) close (d);
|
||||
|
||||
if (result < 0)
|
||||
{
|
||||
errno = err;
|
||||
return err;
|
||||
}
|
||||
}
|
||||
|
||||
real_tty_path += 5; /* Remove "/dev/". */
|
||||
|
||||
setutent_r (&utmp_data);
|
||||
if (getutline_r (real_tty_path, &ut, &utmp_data) < 0)
|
||||
{
|
||||
if (errno == ESRCH)
|
||||
/* The caller expects ENOENT if nothing is found. */
|
||||
result = ENOENT;
|
||||
else
|
||||
result = errno;
|
||||
}
|
||||
else
|
||||
{
|
||||
strncpy (name, ut->ut_line, name_len);
|
||||
result = 0;
|
||||
}
|
||||
endutent_r (&utmp_data);
|
||||
|
||||
return result;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user