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1997-11-06 00:06 Ulrich Drepper <drepper@cygnus.com> * argp/argp-help.c: Optimize a bit by using mempcpy. * elf/dl-load.c: Likewise. * elf/dl-lookup.c: Likewise. * inet/rcmd.c: Likewise. * io/ftw.c: Likewise. * libio/fileops.c: Likewise. * libio/genops.c: Likewise. * libio/obprintf.c: Likewise. * nss/nsswitch.c: Likewise. * posix/execvp.c: Likewise. * posix/getopt.c: Likewise. * posix/glob.c: Likewise. * posix/wordexp.c: Likewise. * stdio-common/vfprintf.c: Likewise. * stdlib/canonicalize.c: Likewise. * stdlib/msort.c: Likewise. * string/argz-replace.c: Likewise. * sysdeps/generic/putenv.c: Likewise. * sysdeps/generic/setenv.c: Likewise. * sysdeps/posix/getcwd.c: Likewise. * sysdeps/posix/ttyname.c: Likewise. * sysdeps/posix/writev.c: Likewise. * time/strftime.c: Likewise. * time/tzfile.c: Likewise. * login/utmp_daemon.c: Use memcpy instead of strcpy where possible. * sunrpc/svcauth_des.c: Likewise. * sysdeps/unix/sysv/linux/gethostname.c: Likewise. * misc/tsearch.c: Use memcpy return value if possible. * posix/regex.c: Likewise. * sysdeps/unix/readdir_r.c: Likewise. * wcsmbc/wcsdup.c: Likewise. * nss/digits_dots.c: Little optimization. * inet/ruserpass.c (ruserpass): Optimize by using stpcpy. (struct toktab): Make tokstr field a const char *. * elf/dl-profile.c: Fix typo. * inet/ether_ntoh.c: Don't use relative #include path. * inet/gethstbynm.c: Likewise. * resolv/inet_pton.c: Likewise. * shadow/sgetspent_r.c: Likewise. * libio/oldfileops.c (_IO_old_file_jumps): Use correct sync and write callbacks. Patch by NIIBE Yutaka <gniibe@mri.co.jp>. * posix/confstr.c: Correct string for _CS_LFS_CFLAGS. Handle _CS_XBS5_* constants. * posix/unistd.h: Add comment describing _XBS5_* constants. * sysdeps/generic/bits/confname.h: Add _CS_XBS5_* constants. * posix/regex.c: Indent preprocessor code. * posix/wordexp.c: Using _itoa_word instead of sprintf. * stdlib/canonicalize.c: Avoid unnecessary copying. Handle NULL and "" arguments correctly according to SUS. * stdlib/test-canon.c: Test "" and NULL argument handling. * sysdeps/posix/writev.c: Correct condition to leave the loop. 1997-11-05 18:13 Ulrich Drepper <drepper@cygnus.com> * nss/getXXbyYY.c: Set buffer to NULL if realloc fails so that possible next call starts with malloc again. Proposed by Joe Keane <jgk@jgk.org>. 1997-11-04 23:57 Ulrich Drepper <drepper@cygnus.com> * configure.in: Correct gcc -pipe test. Patch by Zack Weinberg <zack@rabi.phys.columbia.edu>. * posix/glob.c: Cleanups. Patch by H.J. Lu <hjl@lucon.org>. 1997-11-04 Andreas Jaeger <aj@arthur.rhein-neckar.de> * manual/creature.texi (Feature Test Macros): Add _POSIX_C_SOURCE definition.
73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/* Copyright (C) 1991, 1994, 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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#if defined (_AIX) && !defined (__GNUC__)
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#pragma alloca
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#endif
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif
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#if _LIBC || HAVE_STDLIB_H
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# include <stdlib.h>
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#endif
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#if _LIBC || HAVE_STRING_H
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# include <string.h>
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#endif
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#if !__GNU_LIBRARY__ && !HAVE_STRCHR
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# define strchr index
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#endif
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#ifndef _LIBC
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# ifdef HAVE_ALLOCA_H
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# include <alloca.h>
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# else
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# ifdef __GNUC__
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# define alloca __builtin_alloca
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# else
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extern char *alloca ();
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# endif /* __GNUC__ */
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# endif /* HAVE_ALLOCA_H */
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#endif /* _LIBC */
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/* Put STRING, which is of the form "NAME=VALUE", in the environment. */
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int
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putenv (string)
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const char *string;
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{
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const char *const name_end = strchr (string, '=');
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if (name_end != NULL)
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{
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char *name = alloca (name_end - string + 1);
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#ifdef _LIBC
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*((char *) __mempcpy (name, string, name_end - string)) = '\0';
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#else
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memcpy (name, string, name_end - string);
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name[name_end - string] = '\0';
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#endif
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return setenv (name, name_end + 1, 1);
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}
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unsetenv (string);
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return 0;
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}
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