Update.cvs/libc-ud-971105

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.

2 files changed, 15 insertions, 10 deletions

diff --git a/time/strftime.c b/time/strftime.c
index fdf0500a92..8d94dcdf60 100644
--- a/time/strftime.c
+++ b/time/strftime.c
@@ -89,6 +89,14 @@ extern char *tzname[];
 # endif
 #endif
 
+#ifdef _LIBC
+# define MEMPCPY(d, s, n) __mempcpy (d, s, n)
+#else
+# ifndef HAVE_MEMPCPY
+#  define MEMPCPY(d, s, n) ((void *) ((char *) memcpy (d, s, n) + (n)))
+# endif
+#endif
+
 #ifndef __P
 # if defined (__GNUC__) || (defined (__STDC__) && __STDC__)
 #  define __P(args) args
@@ -194,8 +202,7 @@ static const char zeroes[16] = /* "0000000000000000" */
     do									      \
       {									      \
 	int _this = _len > 16 ? 16 : _len;				      \
-	memcpy ((P), spaces, _this);					      \
-	(P) += _this;							      \
+	(P) = mempcpy ((P), spaces, _this);				      \
 	_len -= _this;							      \
       }									      \
     while (_len > 0);							      \
@@ -208,8 +215,7 @@ static const char zeroes[16] = /* "0000000000000000" */
     do									      \
       {									      \
 	int _this = _len > 16 ? 16 : _len;				      \
-	memcpy ((P), zeroes, _this);					      \
-	(P) += _this;							      \
+	(P) = mempcpy ((P), zeroes, _this);				      \
 	_len -= _this;							      \
       }									      \
     while (_len > 0);							      \
diff --git a/time/tzfile.c b/time/tzfile.c
index e3cb299fe1..3d2d3e0485 100644
--- a/time/tzfile.c
+++ b/time/tzfile.c
@@ -134,7 +134,7 @@ __tzfile_read (const char *file)
     {
       const char *tzdir;
       unsigned int len, tzdir_len;
-      char *new;
+      char *new, *tmp;
 
       tzdir = __secure_getenv ("TZDIR");
       if (tzdir == NULL || *tzdir == '\0')
@@ -146,9 +146,9 @@ __tzfile_read (const char *file)
 	tzdir_len = strlen (tzdir);
       len = strlen (file) + 1;
       new = (char *) __alloca (tzdir_len + 1 + len);
-      memcpy (new, tzdir, tzdir_len);
-      new[tzdir_len] = '/';
-      memcpy (&new[tzdir_len + 1], file, len);
+      tmp = __mempcpy (new, tzdir, tzdir_len);
+      *tmp++ = '/';
+      __mempcpy (tmp, file, len);
       file = new;
     }
 
@@ -316,8 +316,7 @@ __tzfile_default (const char *std, const char *dst,
       __use_tzfile = 0;
       return;
     }
-  memcpy (zone_names, std, stdlen);
-  memcpy (&zone_names[stdlen], dst, dstlen);
+  __mempcpy (__mempcpy (zone_names, std, stdlen), dst, dstlen);
 
   /* Find the standard and daylight time offsets used by the rule file.
      We choose the offsets in the types of each flavor that are