From 86187531d302de284b67ac162cf76c60c86bd7da Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 6 Nov 1997 00:02:46 +0000 Subject: Update. 1997-11-06 00:06 Ulrich Drepper * 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 . * 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 * nss/getXXbyYY.c: Set buffer to NULL if realloc fails so that possible next call starts with malloc again. Proposed by Joe Keane . 1997-11-04 23:57 Ulrich Drepper * configure.in: Correct gcc -pipe test. Patch by Zack Weinberg . * posix/glob.c: Cleanups. Patch by H.J. Lu . 1997-11-04 Andreas Jaeger * manual/creature.texi (Feature Test Macros): Add _POSIX_C_SOURCE definition. --- sysdeps/generic/setenv.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'sysdeps/generic/setenv.c') diff --git a/sysdeps/generic/setenv.c b/sysdeps/generic/setenv.c index e740fa9eef..f58c65b7f6 100644 --- a/sysdeps/generic/setenv.c +++ b/sysdeps/generic/setenv.c @@ -91,6 +91,8 @@ setenv (name, value, replace) if (__environ == NULL || *ep == NULL) { char **new_environ; + char *tmp; + if (__environ == last_environ && __environ != NULL) /* We allocated this space; we can extend it. */ new_environ = (char **) realloc (last_environ, @@ -117,9 +119,15 @@ setenv (name, value, replace) memcpy ((char *) new_environ, (char *) __environ, size * sizeof (char *)); +#ifdef _LIBC + tmp = __mempcpy (new_environ[size], name, namelen); + *tmp++ = '='; + __mempcpy (tmp, value, vallen); +#else memcpy (new_environ[size], name, namelen); new_environ[size][namelen] = '='; memcpy (&new_environ[size][namelen + 1], value, vallen); +#endif new_environ[size + 1] = NULL; @@ -138,8 +146,12 @@ setenv (name, value, replace) return -1; } *ep = new; +#ifdef _LIBC + *((char *) __mempcpy (*ep, name, namelen)) = '='; +#else memcpy (*ep, name, namelen); (*ep)[namelen] = '='; +#endif } memcpy (&(*ep)[namelen + 1], value, vallen); } -- cgit v1.2.3