Rewrite mktime from scratch for performance, and for correctness
in the presence of leap seconds.
* time/mktime.c (ydhms_tm_diff, not_equal_tm, print_tm, check_result):
New functions.
(LEAP_SECONDS_POSSIBLE, CHAR_BIT, INT_MIN, INT_MAX,
TIME_T_MIN, TIME_T_MAX, TM_YEAR_BASE, EPOCH_YEAR): New macros.
<limits.h>, <stdlib.h>: New #includes.
(main): Support tests with given broken-down value; support benchmarks.
(__mon_lengths, debugging_enabled, printtm, dist_tm, doit,
do_normalization, normalize, BAD_STRUCT_TM, SKIP_VALUE,
<ctype.h>): Remove.
* time/time.h, time/mktime.c (__mktime_internal): New offset arg.
* time/mktime.c (mktime), time/timegm.c (timegm): Use it.
* time/mktime.c (__mon_yday): New variable; replaces `__mon_lengths'.
time/offtime.c (__offtime), time/tzset.c (compute_change): Use it.
* time/offtime.c (__offtime): Remove useless assignment
`tp->tm_isdst = -1'.
* manual/maint.texi: Update credits.
Fri Oct 6 00:28:53 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/unix/common/readv.S: Moved to sysdeps/unix/bsd.
* sysdeps/unix/common/writev.S: Moved to sysdeps/unix/bsd.
* sysdeps/unix/sysv/linux/readv.c: File removed.
* sysdeps/unix/sysv/linux/writev.c: File removed.
* sysdeps/unix/configure.in: Check for readv and writev syscalls.
* sysdeps/unix/configure.in: If eval doesn't set $unix_srcname,
set it to $unix_syscall instead of $unix_function.
the list.
* time/northamerica: Corrections to Canada data from ADO 95i.
* sysdeps/unix/sysv/linux/Makefile (headers): Don't append to this
unconditionally. In socket subdir, append sys/socketcall.h; in
time subdir, append sys/timex.h.
(config-LDFLAGS): New variable.
* sysdeps/unix/sysv/linux/Dist: New file.
* Makeconfig (+link): Pass $(config-LDFLAGS) before $(LDFLAGS).
* posix/tstgetopt.c, posix/tstgetopt.args: Test long options too.
* sysdeps/unix/sysv/linux/i386/init-first.c (init): Save, set, and
restore %ebx by hand for personality syscall.
GCC cannot deal with spilling the dedicated GOT register.
* misc/Makefile (routines): Add mntent, which was somehow omitted.
Fri Sep 29 15:07:10 1995 Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de>
* sysdeps/unix/sysv/linux/adjtime.c (__adjtime):
Change name of field `mode' in `struct timex' to `modes'.
Linux-1.3.28 updates this name according to RFC 1489.
gettext code.
* sysdeps/unix/sysv/linux/sys/param.h: New file.
* sysdeps/unix/sysv/linux/Subdirs: File removed.
* libc-symbols.h (_LIBC): Define to 1, not just empty.
* sysdeps/stub/sys/sem_buf.h (union semun): New type.
* sysdeps/mach/hurd/i386/init-first.c (init1) [PIC]: Call
__libc_global_ctors.
* sysdeps/i386/init-first.c: Rewritten.
* sysdeps/unix/sysv/linux/i386/init-first.S: File removed.
* sysdeps/unix/sysv/linux/i386/init-first.c: New file.
* sysdeps/unix/sysv/linux/i386/fpu_control.h: Fix name in decl of
___fpu_control.
* Makerules (build-shlib): New canned sequence, broken out of
lib%.so rule. Link in $^ instead of just $<.
(lib%.so: lib%_pic.a): Use it.
(libc.so): New target; use $(build-shlib) for cmds, but also depend
on soinit.so first and sofini.so last.
* elf/soinit.c: New file.
* elf/sofini.c: New file.
* elf/Makefile (distribute): Add soinit.c and sofini.c.
(extra-objs): Add soinit.so and sofini.so.
* sysvipc/sys/shm.h (shmat): Fix return type to char *.
* sysdeps/stub/sys/ipc_buf.h (key_t): Type removed.
* misc/syslog.c (vsyslog): Rewritten using open_memstream to
dynamically allocate buffers.
* Makerules (install-lib-nosubdir): Make this, rather than
install-no-libc.a, depend on the installed shared libraries.
[$(have-initfini)=yes]: Test this rather than $(elf) for crtstuff.
[start-installed-name-rule]: If this is defined, elide rule for
$(objpfx)$(start-installed-name).
* sysdeps/unix/sysv/sco3.2.4/Makefile [$(subdir)=csu]
(start-installed-rule, start-installed-name-rule): New variables;
specify crt1.o, created by our own rule.
($(objpfx)crt1.o): New rule.
* configure.in: Require autoconf 2.4.2 or later. Change all
AC_CACHE_VAL uses to use new AC_CACHE_CHECK macro instead;
prettify some messages.
[$elf!=yes] (libc_cv_have_initfini): New test for `.init' and `.fini'
sections.
* munch-tmpl.c [HAVE_INITFINI]: Call _init and atexit (_fini) in
this case rather than #ifdef HAVE_ELF.
* config.h.in (HAVE_INITFINI): New macro.
* sysdeps/unix/sysv/ftime.S: New file.
* locale/locfile-parse.c (categories_write): Cast "" to char *.
* io/fcntl.h [__OPTIMIZE__] (creat): Macro removed.
* time/strftime.c: Use year modulo 100 for %y.
* time/sys/timeb.h: Add __BEGIN_DECLS and __END_DECLS.
* sysdeps/unix/snarf-ioctls (snarfexclude): Use two sed's instead
of one, to work around bug in sunos4.1.2 sed.
* sysdeps/unix/i386/sysdep.h (JUMPTARGET): New macro; use name@PLT
#ifdef PIC.
(PSEUDO): Use JUMPTARGET(syscall_error) in jump insn.
* sysdeps/unix/i386/syscall.S: Use JUMPTARGET(syscall_error) in
jump insn.
* sysdeps/unix/sysv/sysv4/linux/i386/sysdep.h: Rewritten.
* sysdeps/unix/sysv/sysv4/linux/i386/syscall.S: New file.
* sysdeps/unix/sysv/sysv4/linux/i386/socket.S: Include
<sys/socketcall.h>. Save %ebx in call-clobbered %edx instead of
stack. Use JUMPTARGET(syscall_error) in jump insn.
* Makeconfig (+gccwarn): Add -Wbad-function-cast -Wconversion.
* sysdeps/unix/i386/sysdep.h (ENTRY): Use ASM_GLOBAL_DIRECTIVE and
ASM_TYPE_DIRECTIVE.
(ASM_TYPE_DIRECTIVE): New macro; defined using `.type' #ifdef ELF.
* sysdeps/unix/sysv/sysv4/linux/i386/sysdep.S (__syscall_error):
Rewritten, #include'ing unix/i386/sysdep.S for most of the code.
* sysdeps/unix/i386/sysdep.S [PIC]: Store into `errno' through the GOT.
Fixes to help Linux, inspired by drepper's work:
* configure.in (os=linux*): Use unix/sysv/sysv4 for $base_os,
instead of unix/sysv.
* sysdeps/posix/utimes.c: New file.
* sysdeps/generic/getdomain.c: New file.
* sysdeps/i386/init-first.c: Removed gratuitous #include <hurd.h>.
* sysdeps/generic/dl-sysdep.c: Include <unistd.h> and declare
externals _dl_argc, _dl_argc, and _environ.
* sysdeps/unix/sysv/linux/{accept,connect,getsockname,rename,
socketpair,waitpid,bind,getpeername,listen,setsid,wait4}.S: Moved
to new directory sysdeps/unix/sysv/sysv4/linux.
* sysdeps/unix/sysv/linux: Directory removed.
* sysdeps/unix/sysv/i386/linux/{socket.S,sysdep.h,sysdep.S}: Moved
to new directory sysdeps/unix/sysv/sysv4/linux/i386.
* sysdeps/unix/sysv/linux/i386: Directory removed.
mmap call.
* configure.in (os=freebsd*|bsdi*): Set base_os=unix/bsd/bsd4.4
for these too.
* sysdeps/unix/sysv/tcsetattr.c: Use |= instead of = to properly
set c_oflag value.
* Makeconfig [! objpfx] (csu-objpfx): Add trailing slash.
* locale/Makefile (categories): Uncomment collate.
* locale/lc-collate.c: New file.
its inlines too.
* sysdeps/unix/sysv/sysv4/sigset.h (__sigfillset): Use ~0L instead
of -1 to avoid compiler warning.
* configure.in (host_os=linux*): Set elf=yes for this, not just
linux*elf*.
* posix/Makefile (aux): Add environ.
* posix/environ.c: New file.
* sysdeps/unix/sparc/start.c: Remove __environ definition.
* sysdeps/unix/start.c: Likewise.
* sysdeps/unix/sysv/irix4/start.c: Likewise.
* sysdeps/mach/hurd/start.c: Likewise.
* sysdeps/mach/start.c: Likewise.
* sysdeps/stub/start.c: Likewise.
* sysdeps/unix/make_errlist.c: In produced program, test
HAVE_WEAK_SYMBOLS instead of HAVE_GNU_LD.
* sysdeps/unix/sysv/sysv4/dup2.c: Fix #include of renamed file.
Remove extra weak alias.
* sysdeps/unix/sysv/sysv4/sigaltstack.S: Fix unsquashed file name
in #include.
* libc-symbols.h: Put comment around ^L to pacify Solaris as.
* sysdeps/posix/Makefile (cded-objdir-includes): New variable
replaced cded-objdir-CPPFLAGS; transform $(+includes) instead of
$(CPPFLAGS).
(mk-stdiolim): Use it instead.
* mach/mach_init.c (__vm_page_size): Make it initialized. It does
not work to make a weak alias to a bss symbol.
* stdio/Makefile (distribute): Remove mpn-copy.mk; add gen-mpn-copy.
(tests): Add test-fwrite.
* stdio/test-fwrite.c: New file.
* stdlib/stdlib.h [__USE_GNU]: Declare strtof, strtold, __strtof,
__strtold.
* Makefile (autoconf-it): New canned sequence. Do cvs commit if
there is a CVS directory.
(configure, %/configure): Use $(autoconf-it) for cmds.
* Make-dist: Likewise.
* Makerules ($(gpl2lgpl)): Likewise.
inlines cause trouble for files defining global register variables.
* stdio/vfprintf.c: Set PREC to zero for %. without following digit.
