glibc/elf/sln.c
Ulrich Drepper df777c40c1 Update.
1998-08-20 16:01  Ulrich Drepper  <drepper@cygnus.com>

	* elf/ldd.sh.in: Redirect warnings and error messages to stderr.
	* elf/ldd.bash.in: Likewise.

	* elf/sln.c: Avoid warning for no main prototype.

	* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Remove O_READ and
	O_WRITE.
	* sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.

	* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Add F_SETSIG and
	F_GETSIG.
	* sysdeps/unix/sysv/linux/bits/fcntl.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.

1998-08-20  Philip Blundell  <pb@nexus.co.uk>

	* sysdeps/arm/fpu/ieee754.h: Move to...
	* sysdeps/arm/ieee754.h: ... here.

	* sysdeps/arm/__longjmp.S: Put return value in correct register.
	Don't set the condition flags unnecessarily.
	* sysdeps/arm/fpu/__longjmp.S: Likewise.  Restore floating point
	registers correctly.

	* sysdeps/arm/dl-machine.h: Fix problems with profiling code
	(patch from Scott Bambrough).

	* sysdeps/arm/sysdep.h (CALL_MCOUNT): Add missing semicolons.

	* csu/initfini.c (_init): Don't check whether __gmon_start__ is
	NULL, just call it unconditionally.
	(__gmon_start__): Provide stub version as a weak symbol.

1998-07-30  Philip Blundell  <philb@gnu.org>

	* sysdeps/unix/sysv/linux/arm/init-first.h: New file (from patch
	by Scott Bambrough)

	* sysdeps/unix/sysv/linux/arm/errlist.c: New file; ARM tools don't
	like `@' in .type directives.

	* sysdeps/arm/bsd-setjmp.S: Use PLT for procedure call.
	* sysdeps/arm/bsd-_setjmp.S: Likewise.

	* sysdeps/arm/dl-machine.h: Set __libc_stack_end.

1998-08-20  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/unix/sysv/linux/mips/bits/fcntl.h (F_SETOWN): Correct value.
	(F_GETOWN): Likewise.

	* sysdeps/unix/sysv/linux/bits/siginfo.h (SI_SIGIO): Add it (from
	Linux 2.1.117).

1998-08-20  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/generic/glob.c [_LIBC]: Define __stat only if not
	already defined.

1998-08-14  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/nss_compat/compat-grp.c: Set errno to ENOENT if we have no
	more entries.
	* nis/nss_compat/compat-initgroups.c: Likewise.
	* nis/nss_compat/compat-pwd.c: Likewise.
	* nis/nss_compat/compat-spwd.c: Likewise.
	* nis/nss_nis/nis-alias.c: Likewise.
	* nis/nss_nis/nis-ethers.c: Likewise.
	* nis/nss_nis/nis-grp.c: Likewise.
	* nis/nss_nis/nis-hosts.c: Likewise.
	* nis/nss_nis/nis-initgroups.c: Likewise.
	* nis/nss_nis/nis-network.c: Likewise.
	* nis/nss_nis/nis-proto.c: Likewise.
	* nis/nss_nis/nis-pwd.c: Likewise.
	* nis/nss_nis/nis-rpc.c: Likewise.
	* nis/nss_nis/nis-service.c: Likewise.
	* nis/nss_nis/nis-spwd.c: Likewise.

	* nis/rpcsvc/yp.h: Generate new without 1024 byte limits.

	* nis/ypclnt.c: Try binding dir only first time, could be to old.

	* nis/yp_xdr.c: Remove 1024 byte limit.
	* nis/ypupdate_xdr.c: Likewise.

	* nis/nss_nis/nis-publickey.c: Make sure, nobody could send
	wrong data.
1998-08-20 17:40:36 +00:00

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/* `sln' program to create symboblic links between files.
Copyright (C) 1998 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
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#if !defined(S_ISDIR) && defined(S_IFDIR)
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#endif
static int makesymlink __P ((const char *src, const char *dest));
static int makesymlinks __P ((const char *file));
int
main (int argc, char **argv)
{
switch (argc)
{
case 2:
return makesymlinks (argv [1]) == 0 ? 0 : 1;
break;
case 3:
return makesymlink (argv [1], argv [2]) == 0 ? 0 : 1;
break;
default:
printf ("Usage: %s src dest|file\n", argv [0]);
return 1;
break;
}
}
static int
makesymlinks (file)
const char *file;
{
#ifndef PATH_MAX
#define PATH_MAX 4095
#endif
char buffer [PATH_MAX * 4];
int i, ret, len;
int lineno;
const char *src;
const char *dest;
const char *error;
FILE *fp;
fp = fopen (file, "r");
if (fp == NULL)
{
error = strerror (errno);
fprintf (stderr, "%s: file open error: %s\n", file, error);
return -1;
}
ret = 0;
lineno = 0;
while (fgets (buffer, sizeof (buffer) - 1, fp))
{
lineno++;
src = dest = NULL;
buffer [sizeof (buffer) - 1] = '\0';
len = strlen (buffer);
for (i = 0; i < len && isspace (buffer [i]); i++);
if (i >= len)
{
fprintf (stderr, "Fail to parse line %d: \"%s\"\n", lineno,
buffer);
ret--;
continue;
}
src = &buffer [i];
for (; i < len && !isspace (buffer [i]); i++);
if (i < len)
{
buffer [i++] = '\0';
for (; i < len && isspace (buffer [i]); i++);
if (i >= len)
{
fprintf (stderr, "No target in line %d: \"%s\"\n", lineno,
buffer);
ret--;
continue;
}
dest = &buffer [i];
for (; i < len && !isspace (buffer [i]); i++);
buffer [i] = '\0';
}
else
{
fprintf (stderr, "No target in line %d: \"%s\"\n", lineno,
buffer);
ret--;
continue;
}
if (makesymlink (src, dest))
{
fprintf (stderr, "Failed to make link from \"%s\" to \"%s\" in line %d\n",
src, dest, lineno);
ret--;
}
}
fclose (fp);
return ret;
}
static int
makesymlink (src, dest)
const char *src;
const char *dest;
{
struct stat stats;
const char *error;
/* Destination must not be a directory. */
if (lstat (dest, &stats) == 0)
{
if (S_ISDIR (stats.st_mode))
{
fprintf (stderr, "%s: destination must not be a directory\n",
dest);
return -1;
}
else if (unlink (dest) && errno != ENOENT)
{
fprintf (stderr, "%s: failed to remove the old destination\n",
dest);
return -1;
}
}
else if (errno != ENOENT)
{
error = strerror (errno);
fprintf (stderr, "%s: invalid destination: %s\n", dest, error);
return -1;
}
#ifdef S_ISLNK
if (symlink (src, dest) == 0)
#else
if (link (src, dest) == 0)
#endif
{
/* Destination must exist by now. */
if (access (dest, F_OK))
{
error = strerror (errno);
unlink (dest);
fprintf (stderr, "Invalid link from \"%s\" to \"%s\": %s\n",
src, dest, error);
return -1;
}
return 0;
}
else
{
error = strerror (errno);
fprintf (stderr, "Invalid link from \"%s\" to \"%s\": %s\n",
src, dest, error);
return -1;
}
}