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authorUlrich Drepper <drepper@redhat.com>1997-11-06 00:02:46 +0000
committerUlrich Drepper <drepper@redhat.com>1997-11-06 00:02:46 +0000
commit86187531d302de284b67ac162cf76c60c86bd7da (patch)
tree456f8b37f8e8fa67c16ee0cf6de7b591d9d3d913 /sysdeps/posix
parent1618c590382ef16b1942bf39a42aa683a050ff57 (diff)
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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.
Diffstat (limited to 'sysdeps/posix')
-rw-r--r--sysdeps/posix/getcwd.c192
-rw-r--r--sysdeps/posix/ttyname.c7
-rw-r--r--sysdeps/posix/writev.c5
3 files changed, 108 insertions, 96 deletions
diff --git a/sysdeps/posix/getcwd.c b/sysdeps/posix/getcwd.c
index 865bd3fa6a..01f86ef47f 100644
--- a/sysdeps/posix/getcwd.c
+++ b/sysdeps/posix/getcwd.c
@@ -26,12 +26,12 @@
*/
/* AIX requires this to be the first thing in the file. */
-#if defined (_AIX) && !defined (__GNUC__)
+#if defined _AIX && !defined __GNUC__
#pragma alloca
#endif
#ifdef HAVE_CONFIG_H
-#include "config.h"
+# include "config.h"
#endif
#include <errno.h>
@@ -39,92 +39,91 @@
#include <sys/stat.h>
#ifdef STDC_HEADERS
-#include <stddef.h>
+# include <stddef.h>
#endif
-#if !defined(__GNU_LIBRARY__) && !defined(STDC_HEADERS)
+#if !defined __GNU_LIBRARY__ && !defined STDC_HEADERS
extern int errno;
#endif
#ifndef __set_errno
-#define __set_errno(val) errno = (val)
+# define __set_errno(val) errno = (val)
#endif
#ifndef NULL
-#define NULL 0
+# define NULL 0
#endif
-#if defined (USGr3) && !defined (DIRENT)
-#define DIRENT
+#if defined USGr3 && !defined DIRENT
+# define DIRENT
#endif /* USGr3 */
-#if defined (Xenix) && !defined (SYSNDIR)
-#define SYSNDIR
+#if defined Xenix && !defined SYSNDIR
+# define SYSNDIR
#endif /* Xenix */
-#if defined (POSIX) || defined (DIRENT) || defined (__GNU_LIBRARY__)
-#include <dirent.h>
-#ifndef __GNU_LIBRARY__
-#define D_NAMLEN(d) strlen((d)->d_name)
-#else
-#define HAVE_D_NAMLEN
-#define D_NAMLEN(d) ((d)->d_namlen)
-#endif
+#if defined POSIX || defined DIRENT || defined __GNU_LIBRARY__
+# include <dirent.h>
+# ifndef __GNU_LIBRARY__
+# define D_NAMLEN(d) strlen((d)->d_name)
+# else
+# define HAVE_D_NAMLEN
+# define D_NAMLEN(d) ((d)->d_namlen)
+# endif
#else /* not POSIX or DIRENT */
-#define dirent direct
-#define D_NAMLEN(d) ((d)->d_namlen)
-#define HAVE_D_NAMLEN
-#if defined (USG) && !defined (sgi)
-#if defined (SYSNDIR)
-#include <sys/ndir.h>
-#else /* Not SYSNDIR */
-#include "ndir.h"
-#endif /* SYSNDIR */
-#else /* not USG */
-#include <sys/dir.h>
-#endif /* USG */
+# define dirent direct
+# define D_NAMLEN(d) ((d)->d_namlen)
+# define HAVE_D_NAMLEN
+# if defined USG && !defined sgi
+# if defined SYSNDIR
+# include <sys/ndir.h>
+# else /* Not SYSNDIR */
+# include "ndir.h"
+# endif /* SYSNDIR */
+# else /* not USG */
+# include <sys/dir.h>
+# endif /* USG */
#endif /* POSIX or DIRENT or __GNU_LIBRARY__ */
-#if defined (HAVE_UNISTD_H) || defined (__GNU_LIBRARY__)
-#include <unistd.h>
+#if defined HAVE_UNISTD_H || defined __GNU_LIBRARY__
+# include <unistd.h>
#endif
-#if (defined (STDC_HEADERS) || defined (__GNU_LIBRARY__) \
- || defined (POSIX))
-#include <stdlib.h>
-#include <string.h>
-#define ANSI_STRING
+#if defined STDC_HEADERS || defined __GNU_LIBRARY__ || defined POSIX
+# include <stdlib.h>
+# include <string.h>
+# define ANSI_STRING
#else /* No standard headers. */
-#ifdef USG
+# ifdef USG
-#include <string.h>
-#ifdef NEED_MEMORY_H
-#include <memory.h>
-#endif
-#define ANSI_STRING
+# include <string.h>
+# ifdef NEED_MEMORY_H
+# include <memory.h>
+# endif
+# define ANSI_STRING
-#else /* Not USG. */
+# else /* Not USG. */
-#ifdef NeXT
+# ifdef NeXT
-#include <string.h>
+# include <string.h>
-#else /* Not NeXT. */
+# else /* Not NeXT. */
-#include <strings.h>
+# include <strings.h>
-#ifndef bcmp
+# ifndef bcmp
extern int bcmp ();
-#endif
-#ifndef bzero
+# endif
+# ifndef bzero
extern void bzero ();
-#endif
-#ifndef bcopy
+# endif
+# ifndef bcopy
extern void bcopy ();
-#endif
+# endif
-#endif /* NeXT. */
+# endif /* NeXT. */
-#endif /* USG. */
+# endif /* USG. */
extern char *malloc (), *realloc ();
extern void free ();
@@ -132,59 +131,58 @@ extern void free ();
#endif /* Standard headers. */
#ifndef ANSI_STRING
-#define memcpy(d, s, n) bcopy((s), (d), (n))
-#define memmove memcpy
+# define memcpy(d, s, n) bcopy((s), (d), (n))
+# define memmove memcpy
#endif /* Not ANSI_STRING. */
-#if !defined(__alloca) && !defined(__GNU_LIBRARY__)
+#if !defined __alloca && !defined __GNU_LIBRARY__
-#ifdef __GNUC__
-#undef alloca
-#define alloca(n) __builtin_alloca (n)
-#else /* Not GCC. */
-#if defined (sparc) || defined (HAVE_ALLOCA_H)
-#include <alloca.h>
-#else /* Not sparc or HAVE_ALLOCA_H. */
-#ifndef _AIX
+# ifdef __GNUC__
+# undef alloca
+# define alloca(n) __builtin_alloca (n)
+# else /* Not GCC. */
+# if defined sparc || defined HAVE_ALLOCA_H
+# include <alloca.h>
+# else /* Not sparc or HAVE_ALLOCA_H. */
+# ifndef _AIX
extern char *alloca ();
-#endif /* Not _AIX. */
-#endif /* sparc or HAVE_ALLOCA_H. */
-#endif /* GCC. */
+# endif /* Not _AIX. */
+# endif /* sparc or HAVE_ALLOCA_H. */
+# endif /* GCC. */
-#define __alloca alloca
+# define __alloca alloca
#endif
-#if (defined (HAVE_LIMITS_H) || defined (STDC_HEADERS) || \
- defined (__GNU_LIBRARY__))
-#include <limits.h>
+#if defined HAVE_LIMITS_H || defined STDC_HEADERS || defined __GNU_LIBRARY__
+# include <limits.h>
#else
-#include <sys/param.h>
+# include <sys/param.h>
#endif
#ifndef PATH_MAX
-#ifdef MAXPATHLEN
-#define PATH_MAX MAXPATHLEN
-#else
-#define PATH_MAX 1024
-#endif
+# ifdef MAXPATHLEN
+# define PATH_MAX MAXPATHLEN
+# else
+# define PATH_MAX 1024
+# endif
#endif
-#if !defined (STDC_HEADERS) && !defined (__GNU_LIBRARY__)
-#undef size_t
-#define size_t unsigned int
+#if !defined STDC_HEADERS && !defined __GNU_LIBRARY__
+# undef size_t
+# define size_t unsigned int
#endif
-#if !__STDC__ && !defined (const)
-#define const
+#if !__STDC__ && !defined const
+# define const
#endif
#ifndef __GNU_LIBRARY__
-#define __lstat stat
+# define __lstat stat
#endif
#ifndef _LIBC
-#define __getcwd getcwd
+# define __getcwd getcwd
#endif
/* Get the pathname of the current working directory, and put it in SIZE
@@ -264,18 +262,28 @@ __getcwd (buf, size)
new = malloc (dotsize * 2 + 1);
if (new == NULL)
return NULL;
+#ifdef HAVE_MEMPCPY
+ dotp = mempcpy (new, dots, dotsize);
+#else
memcpy (new, dots, dotsize);
+ dotp = &new[dotsize];
+#endif
}
else
{
new = realloc ((__ptr_t) dotlist, dotsize * 2 + 1);
if (new == NULL)
goto lose;
+ dotp = &new[dotsize];
}
- memcpy (&new[dotsize], new, dotsize);
- dotp = &new[dotsize];
+#ifdef HAVE_MEMPCPY
+ *((char *) mempcpy (dotp, new, dotsize)) = '\0';
+ dotsize *= 2;
+#else
+ memcpy (dotp, new, dotsize);
dotsize *= 2;
new[dotsize] = '\0';
+#endif
dotlist = new;
}
@@ -301,9 +309,15 @@ __getcwd (buf, size)
if (mount_point || (ino_t) d->d_ino == thisino)
{
char name[dotlist + dotsize - dotp + 1 + _D_ALLOC_NAMLEN (d)];
+#ifdef HAVE_MEMPCPY
+ char *tmp = mempcpy (name, dotp, dotlist + dotsize - dotp);
+ *tmp++ = '/';
+ strcpy (tmp, d->d_name);
+#else
memcpy (name, dotp, dotlist + dotsize - dotp);
name[dotlist + dotsize - dotp] = '/';
strcpy (&name[dotlist + dotsize - dotp + 1], d->d_name);
+#endif
if (__lstat (name, &st) < 0)
{
int save = errno;
diff --git a/sysdeps/posix/ttyname.c b/sysdeps/posix/ttyname.c
index ce384ebc0e..a4e4f30526 100644
--- a/sysdeps/posix/ttyname.c
+++ b/sysdeps/posix/ttyname.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1993, 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1993, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -71,10 +71,9 @@ ttyname (fd)
(void) closedir (dirstream);
return NULL;
}
- (void) memcpy (name, dev, sizeof (dev) - 1);
- name[sizeof (dev) - 1] = '/';
+ *((char *) __mempcpy (name, dev, sizeof (dev) - 1)) = '/';
}
- (void) memcpy (&name[sizeof (dev)], d->d_name, dlen);
+ (void) __mempcpy (&name[sizeof (dev)], d->d_name, dlen);
if (stat (name, &st) == 0 && st.st_dev == mydev)
{
(void) closedir (dirstream);
diff --git a/sysdeps/posix/writev.c b/sysdeps/posix/writev.c
index f6f685ce7a..ae38fefef3 100644
--- a/sysdeps/posix/writev.c
+++ b/sysdeps/posix/writev.c
@@ -53,11 +53,10 @@ __writev (fd, vector, count)
#define min(a, b) ((a) > (b) ? (b) : (a))
size_t copy = min (vector[i].iov_len, to_copy);
- (void) memcpy ((void *) bp, (void *) vector[i].iov_base, copy);
+ bp = __mempcpy ((void *) bp, (void *) vector[i].iov_base, copy);
- bp += copy;
to_copy -= copy;
- if (bytes == 0)
+ if (to_copy == 0)
break;
}