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1f205a479b
1997-05-21 02:49 Ulrich Drepper <drepper@cygnus.com> * gnu-versions.h (_GNU_OBSTACK_INTERFACE_VERSION): Set to 2 since interface was changed with addition of _obstack_memory_used. Suggested by Ian Taylor <ian@cygnus.com>. * malloc/obstack.c: Include <config.h>. Include <stdlib.h> only if __GNU_LIBRARY__ or HAVE_STDLIB_H is defined. Reported by Ian Taylor <ian@cygnus.com>. * dirent/Makefile (routines): Add versionsort. * dirent/dirent.h: Add prototype for versionsort. * dirent/versionsort.c: New file. * manual/filesys.texi: Add documentation for versionsort. * manual/string.texi: Add documentation for strverscmp. * string/Makefile (routines): Add strverscmp. (tests): Add tst-svc. * string/string.h: Add prototype for strverscmp. * string/strverscmp.c: New file. * string/tst-svc.c: New file. Test for strverscmp. * string/tst-svc.input: New file. Input data for tst-svc. * string/tst-svc.expect: New file. Expected out from tst-svc. * math/Makefile (calls): Add s_signbit. * po/sv.po: Update. * resolv/nss_dns/dns-host.c: Add casts to prevent warnings. * sunrpc/pmap_rmt.c: Likewise. * string/basename.c: Don't use ISO C definition style. Include <config.h> is HAVE_CONFIG_H is defined. * sunrpc/proto.h: Add `const' wherever possible. * sunrpc/rpc_cout.c: Likewise. * sunrpc/rpc_svcout.c: Likewise. * sunrpc/xdr_mem.c: Likewise. * sunrpc/xdr_rec.c: Likewise. * sunrpc/xdr_stdio.c: Likewise. * sunrpc/rpc_parse.c: Delete comma from end of enum definition. * sunrpc/xdr.c: Little code cleanups. * sunrpc/xdr_flaot.c: Likewise. Patches by Matthew Wilcox <matthew.wilcox@chbs.mhs.ciba.com>. * sysdeps/i386/fpu/__math.h (__finite): Fix typo. * sysdeps/unix/sysv/linux/shmdt.c: Add cast to prevent warning. * time/europe: Update from tzdata1997f. * time/zic.c: Update from tzcode1997e. 1997-05-20 19:20 Miguel de Icaza <miguel@athena.nuclecu.unam.mx> * sysdeps/sparc/setjmp.S: Flush windows. Bug found by Richard Henderson. 1997-05-19 12:54 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * misc/efgcvt_r.c (fcvt_r, ecvt_r): Rewritten as to fit the specs. 1997-05-19 18:41 Thorsten Kukuk <kukuk@uni-paderborn.de> * nis/nss_nisplus/nisplus-spwd.c (_nss_nisplus_parse_spent): Use atol instead of atoi. 1997-05-18 00:22 Philip Blundell <pjb27@cam.ac.uk> * inet/Makefile (routines): Add if_index. * sysdeps/unix/sysv/linux/if_index.c: New file. * sysdeps/stub/if_index.c: New file. * sysdeps/unix/sysv/linux/net/if.h: Add prototypes for routines in if_index.c (required by IPv6 basic API). * sysdeps/unix/sysv/linux/netinet/in.h: Add struct ipv6_pktinfo. 1997-05-17 23:29 Philip Blundell <pjb27@cam.ac.uk> * sysdeps/unix/sysv/linux/netinet/in.h: Update IPv6 definitions for new advanced API draft. 1997-05-13 21:33 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * stdio-common/printf_fp.c: Only use the field width for deciding on padding when printing special values. * stdio-common/printf_fphex.c: Likewise. 1997-05-15 13:14 Miles Bader <miles@gnu.ai.mit.edu> Changes by Thomas Bushnell <thomas@gnu.ai.mit.edu>: * hurd/hurdauth.c (_S_msg_add_auth): Implement correctly. 1997-05-12 14:50 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * hurd/hurdsig.c (_hurdsig_init): Double size of sigthread stack; msg_add_auth was overflowing it. 1997-05-12 21:20 Richard Henderson <rth@tamu.edu> * elf/dl-lookup.c (_dl_lookup_symbol_skip): Call _dl_signal_error when we can't find the symbol. 1997-05-12 16:54 Ulrich Drepper <drepper@cygnus.com> * posix/regex.c: Fix handling of 32-bit Windog environments. Patch by Arnold Robbins <arnold@skeeve.atl.ga.us>. 1997-05-10 23:26 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/m68k/syscalls.list: Add cacheflush. 1997-05-10 11:40 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/ldd.bash.in: Remove spurious quote character from version message. 1997-05-10 08:49 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * locale/programs/locale.c (write_charmaps): Don't get stuck in a loop if the file ends in a long line without newline. * locale/programs/charmap.c (charmap_read): Likewise. 1997-05-12 03:47 Ulrich Drepper <drepper@cygnus.com> * sunrpc/rpc/xdr.h: Include more headers to be self-contained. * sunrpc/rpc/svc_auth.h: Likewise. * sunrpc/rpc/svc.h: Likewise. * sunrpc/rpc/rpc_msg.h: Likewise. * sunrpc/rpc/pmap_rmt.h: Likewise. * sunrpc/rpc/pmap_clnt.h: Likewise. * sunrpc/rpc/clnt.h: Likewise. * sunrpc/rpc/auth_unix.h: Likewise. * sysdeps/generic/rpc/auth.h: Likewise. Patches by Michael Deutschmann <ldeutsch@mail.netshop.net>. 1997-05-11 15:29 Philip Blundell <pjb27@cam.ac.uk> * sysdeps/stub/sigaction.c (__sigaction): Correct typo. * sysdeps/standalone/arm/errnos.h: New file. * sysdeps/stub/sys/param.h: Add dummy definition of MAXSYMLINKS. * sysdeps/unix/arm/fork.S: New file. * sysdeps/unix/sysv/linux/arm/sysdep.h: New file. * sysdeps/stub/tempname.c (__stdio_gen_tempname): Add missing `streamptr' argument. * sysdeps/stub/vdprintf.c: Remove second copy of file (!), include <stdarg.h> to get va_list defined, return 0 not NULL. * sysdeps/unix/sysv/linux/statfsbuf.h: Include <gnu/types.h>. * sysdeps/unix/sysv/linux/arm/syscall.S: New file. * sysdeps/stub/direntry.h (struct dirent): Add missing ';'. * sysdeps/stub/seekdir.c (seekdir): Likewise. * sysdeps/stub/dirfd.c (dirfd): Argument dirp is DIR*, not FILE*. * sysdeps/standalone/dirstream.h: Define struct __dirstream not DIR; <dirent.h> provides typedef. * sysdeps/unix/sysv/linux/arm/clone.S: New file. * sysdeps/unix/sysv/linux/arm/socket.S: New file. * sysdeps/stub/sysconf.c (__sysconf): Fix typos. 1997-05-01 06:35 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/powerpc/Dist: New file. * sysdeps/powerpc/Makefile: New file. * sysdeps/powerpc/fclrexcpt.c: New file. * sysdeps/powerpc/fegetenv.c: New file. * sysdeps/powerpc/fegetround.c: New file. * sysdeps/powerpc/feholdexcpt.c: New file. * sysdeps/powerpc/fenvbits.h: New file. * sysdeps/powerpc/fenv_const.c: New file. * sysdeps/powerpc/fenv_libc.h: New file. * sysdeps/powerpc/fesetenv.c: New file. * sysdeps/powerpc/fesetround.c: New file. * sysdeps/powerpc/feupdateenv.c: New file. * sysdeps/powerpc/fgetexcptflg.c: New file. * sysdeps/powerpc/fraiseexcpt.c: New file. * sysdeps/powerpc/fsetexcptflg.c: New file. * sysdeps/powerpc/ftestexcept.c: New file. * sysdeps/powerpc/mathbits.h: New file. * sysdeps/powerpc/dl-machine.h: Wrap in #ifndef dl_machine_h; define elf_machine_lookup_noexec_p, elf_machine_lookup_noplt_p, ELF_MACHINE_RELOC_NOPLT; consequent changes to elf_machine_rela. * sysdeps/powerpc/__math.h: Remove definition for hypot and __sgn. * sysdep/powerpc/fpu_control.h: Correct IEEE default mode. * sysdeps/unix/sysv/linux/powerpc/sysdep.h: Don't use .text, but instead .section ".text". 1997-04-25 05:06 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/powerpc/__longjmp.S: Use symbolic register numbering. * sysdeps/powerpc/bsd-_setjmp.S: Likewise. * sysdeps/powerpc/bsd-setjmp.S: Likewise. * sysdeps/powerpc/setjmp.S: Likewise. * sysdeps/unix/sysv/linux/clone.S: Likewise. * sysdeps/unix/sysv/linux/socket.S: Likewise. * sysdeps/unix/sysv/linux/syscall.S: Likewise. 1997-04-20 04:37 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/powerpc/strchr.s: New file. * sysdeps/powerpc/strcmp.s: New (ugly) file. * sysdeps/powerpc/memset.s: New file. * string/tester.c: Include prototype and _GNU_SOURCE to make standalone compilation possible. Give strcmp a better test. Give memset a better test. 1997-04-05 06:34 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/powerpc/strlen.s: Fixed bugs (how did it ever pass its tests before?). Changed to symbolic register numbering as an experiment. * sysdeps/powerpc/ffs.c: Don't include bstring.h, it doesn't exist. * sysdeps/rs6000/ffs.c: Likewise. 1997-05-12 02:28 Ulrich Drepper <drepper@cygnus.com> * time/sys/time.h: Make second argument of setitimer const. Patch by Michael Deutschmann <ldeutsch@mail.netshop.net>. * sysdeps/stub/setitimer.c: Likewise. * sysdeps/mach/hurd/setitimer.c: Likewise.
156 lines
3.4 KiB
C
156 lines
3.4 KiB
C
/* Compatibility functions for floating point formatting, reentrant versions.
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Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include <math.h>
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#include <stdlib.h>
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#ifndef FLOAT_TYPE
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#define FLOAT_TYPE double
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#define FUNC_PREFIX
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#define FLOAT_FMT_FLAG
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#define FLOAT_NAME_EXT
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#endif
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#define APPEND(a, b) APPEND2 (a, b)
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#define APPEND2(a, b) a##b
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#define FLOOR APPEND(floor, FLOAT_NAME_EXT)
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#define FABS APPEND(fabs, FLOAT_NAME_EXT)
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#define LOG10 APPEND(log10, FLOAT_NAME_EXT)
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#define EXP APPEND(exp, FLOAT_NAME_EXT)
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int
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APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign, buf, len)
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FLOAT_TYPE value;
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int ndigit, *decpt, *sign;
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char *buf;
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size_t len;
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{
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int n, i;
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if (buf == NULL)
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{
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__set_errno (EINVAL);
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return -1;
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}
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if (isfinite (value))
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{
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*sign = signbit (value) != 0;
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if (*sign)
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value = -value;
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}
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n = snprintf (buf, len, "%.*" FLOAT_FMT_FLAG "f", ndigit, value);
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if (n < 0)
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return -1;
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i = 0;
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while (i < n && isdigit (buf[i]))
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++i;
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*decpt = i;
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if (i == 0)
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{
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/* Value is Inf or NaN. */
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*sign = 0;
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return 0;
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}
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if (i < n)
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{
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do
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++i;
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while (i < n && !isdigit (buf[i]));
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memmove (&buf[*decpt], &buf[i], n - i);
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buf[n - (i - *decpt)] = 0;
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}
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return 0;
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}
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#define weak_extern2(name) weak_extern (name)
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weak_extern2 (FLOOR) weak_extern2 (LOG10) weak_extern2 (FABS)
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weak_extern2 (EXP)
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int
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APPEND (FUNC_PREFIX, ecvt_r) (value, ndigit, decpt, sign, buf, len)
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FLOAT_TYPE value;
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int ndigit, *decpt, *sign;
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char *buf;
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size_t len;
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{
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int exponent = 0;
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if (isfinite (value) && value != 0.0)
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{
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FLOAT_TYPE (*log10_function) (FLOAT_TYPE) = &LOG10;
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if (log10_function)
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{
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/* Use the reasonable code if -lm is included. */
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FLOAT_TYPE dexponent;
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dexponent = FLOOR (LOG10 (FABS (value)));
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value *= EXP (dexponent * -M_LN10);
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exponent = (int) dexponent;
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}
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else
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{
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/* Slow code that doesn't require -lm functions. */
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FLOAT_TYPE d;
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if (value < 0.0)
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d = -value;
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else
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d = value;
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if (d < 1.0)
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{
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do
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{
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d *= 10.0;
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exponent--;
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}
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while (d < 1.0);
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}
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else if (d >= 10.0)
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{
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do
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{
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d *= 0.1;
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exponent++;
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}
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while (d >= 10.0);
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}
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if (value < 0.0)
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value = -d;
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else
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value = d;
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}
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}
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if (APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit - 1, decpt, sign, buf, len))
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return -1;
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*decpt += exponent;
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return 0;
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}
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