glibc/sysdeps/unix/sysv/linux/lddlibc4.c
Ulrich Drepper cbbcaf2369 * debug/xtrace.sh: Unify translatable messages.
* elf/ldd.bash.in: Likewise.
	* elf/sprof.c: Likewise.
	* locale/programs/locale.c: Likewise.
	* malloc/memusage.sh: Likewise.
	* nss/getent.c: Likewise.

2009-02-06  Joseph Myers  <joseph@codesourcery.com>

	* debug/pcprofiledump.c (print_version,
	argp_program_version_hook): New function.
	* elf/ldconfig.c (more_help): New function.
	(argp): Use it.
	* elf/sln.c (usage): New function.
	(main): Support --help and --version.
	* malloc/memusagestat.c (print_version): New function.
	(argp_program_version_hook): New variable.
	* nscd/nscd.c (more_help): New function.
	(argp): Use it.
	* posix/getconf.c (main): Send --version output to stdout.
	Support --help.
	* sunrpc/rpc_main.c (usage, options_usage): Take STREAM and STATUS
	arguments.  All callers changed.
	(print_version): New function.
	(parseargs): Support --help and --version.
	* sunrpc/rpcinfo.c (usage): Take STREAM argument.  All callers
	changed.
	(print_version): New function.
	(main): Use getopt_long.  Support --help and --version.
	* sysdeps/unix/sysv/linux/lddlibc4.c (main): Support --help and
	--version.

2009-02-06  Ulrich Drepper  <drepper@redhat.com>
2009-02-06 20:13:07 +00:00

107 lines
3.2 KiB
C

/* Stub for ldd script to print Linux libc4 dependencies.
Copyright (C) 1998, 2005, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* This code is based on the `ldd' program code from the Linux ld.so
package. */
#include <a.out.h>
#include <errno.h>
#include <error.h>
#include <libintl.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
/* Get libc version number. */
#include "../version.h"
#define PACKAGE _libc_intl_domainname
int
main (int argc, char *argv[])
{
const char *filename;
size_t filename_len;
struct exec exec;
char *buf;
FILE *fp;
/* Set locale via LC_ALL. */
setlocale (LC_ALL, "");
/* Set the text message domain. */
textdomain (PACKAGE);
/* We expect exactly one argument. */
if (argc != 2)
return 1;
if (strcmp (argv[1], "--help") == 0)
{
printf (gettext ("Usage: lddlibc4 FILE\n\n"));
printf (gettext ("For bug reporting instructions, please see:\n\
<http://www.gnu.org/software/libc/bugs.html>.\n"));
return 0;
}
else if (strcmp (argv[1], "--version") == 0)
{
printf ("lddlibc4 (GNU %s) %s\n", PACKAGE, VERSION);
printf (gettext ("\
Copyright (C) %s Free Software Foundation, Inc.\n\
This is free software; see the source for copying conditions. There is NO\n\
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
"), "2009");
return 0;
}
filename = argv[1];
/* First see whether this is really an a.out binary. */
fp = fopen (filename, "rb");
if (fp == NULL)
error (2, errno, gettext ("cannot open `%s'"), filename);
/* Read the program header. */
if (fread (&exec, sizeof exec, 1, fp) < 1)
error (2, errno, gettext ("cannot read header from `%s'"), filename);
/* Test for the magic numbers. */
if (N_MAGIC (exec) != ZMAGIC && N_MAGIC (exec) != QMAGIC
&& N_MAGIC (exec) != OMAGIC)
exit (3);
/* We don't need the file open anymore. */
fclose (fp);
/* We must put `__LDD_ARGV0=<program-name>' in the environment. */
filename_len = strlen (filename);
buf = (char *) alloca (sizeof "__LDD_ARGV0=" + filename_len);
mempcpy (mempcpy (buf, "__LDD_ARGV0=", sizeof "__LDD_ARGV0=" - 1),
filename, filename_len + 1);
/* ...and put the value in the environment. */
putenv (buf);
/* Now we can execute the binary. */
return execv (filename, &argv[argc]) ? 4 : 0;
}