|
Packit |
6c4009 |
/* Stub for ldd script to print Linux libc4 dependencies.
|
|
Packit |
6c4009 |
Copyright (C) 1998-2018 Free Software Foundation, Inc.
|
|
Packit |
6c4009 |
This file is part of the GNU C Library.
|
|
Packit |
6c4009 |
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
The GNU C Library is free software; you can redistribute it and/or
|
|
Packit |
6c4009 |
modify it under the terms of the GNU Lesser General Public
|
|
Packit |
6c4009 |
License as published by the Free Software Foundation; either
|
|
Packit |
6c4009 |
version 2.1 of the License, or (at your option) any later version.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
The GNU C Library is distributed in the hope that it will be useful,
|
|
Packit |
6c4009 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit |
6c4009 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Packit |
6c4009 |
Lesser General Public License for more details.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
You should have received a copy of the GNU Lesser General Public
|
|
Packit |
6c4009 |
License along with the GNU C Library; if not, see
|
|
Packit |
6c4009 |
<http://www.gnu.org/licenses/>. */
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* This code is based on the `ldd' program code from the Linux ld.so
|
|
Packit |
6c4009 |
package. */
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#include <a.out.h>
|
|
Packit |
6c4009 |
#include <errno.h>
|
|
Packit |
6c4009 |
#include <error.h>
|
|
Packit |
6c4009 |
#include <libintl.h>
|
|
Packit |
6c4009 |
#include <locale.h>
|
|
Packit |
6c4009 |
#include <stdio.h>
|
|
Packit |
6c4009 |
#include <stdlib.h>
|
|
Packit |
6c4009 |
#include <string.h>
|
|
Packit |
6c4009 |
#include <unistd.h>
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* Get libc version number. */
|
|
Packit |
6c4009 |
#include "../version.h"
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#define PACKAGE _libc_intl_domainname
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
int
|
|
Packit |
6c4009 |
main (int argc, char *argv[])
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
const char *filename;
|
|
Packit |
6c4009 |
size_t filename_len;
|
|
Packit |
6c4009 |
struct exec exec;
|
|
Packit |
6c4009 |
char *buf;
|
|
Packit |
6c4009 |
FILE *fp;
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* Set locale via LC_ALL. */
|
|
Packit |
6c4009 |
setlocale (LC_ALL, "");
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* Set the text message domain. */
|
|
Packit |
6c4009 |
textdomain (PACKAGE);
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* We expect exactly one argument. */
|
|
Packit |
6c4009 |
if (argc != 2)
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
if (strcmp (argv[1], "--help") == 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
printf (gettext ("Usage: lddlibc4 FILE\n\n"));
|
|
Packit |
6c4009 |
printf (gettext ("For bug reporting instructions, please see:\n\
|
|
Packit |
6c4009 |
%s.\n"), REPORT_BUGS_TO);
|
|
Packit |
6c4009 |
return 0;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
else if (strcmp (argv[1], "--version") == 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
printf ("lddlibc4 %s%s\n", PKGVERSION, VERSION);
|
|
Packit |
6c4009 |
printf (gettext ("\
|
|
Packit |
6c4009 |
Copyright (C) %s Free Software Foundation, Inc.\n\
|
|
Packit |
6c4009 |
This is free software; see the source for copying conditions. There is NO\n\
|
|
Packit |
6c4009 |
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
|
|
Packit |
6c4009 |
"), "2018");
|
|
Packit |
6c4009 |
return 0;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
filename = argv[1];
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* First see whether this is really an a.out binary. */
|
|
Packit |
6c4009 |
fp = fopen (filename, "rb");
|
|
Packit |
6c4009 |
if (fp == NULL)
|
|
Packit |
6c4009 |
error (2, errno, gettext ("cannot open `%s'"), filename);
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* Read the program header. */
|
|
Packit |
6c4009 |
if (fread (&exec, sizeof exec, 1, fp) < 1)
|
|
Packit |
6c4009 |
error (2, errno, gettext ("cannot read header from `%s'"), filename);
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* Test for the magic numbers. */
|
|
Packit |
6c4009 |
if (N_MAGIC (exec) != ZMAGIC && N_MAGIC (exec) != QMAGIC
|
|
Packit |
6c4009 |
&& N_MAGIC (exec) != OMAGIC)
|
|
Packit |
6c4009 |
exit (3);
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* We don't need the file open anymore. */
|
|
Packit |
6c4009 |
fclose (fp);
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* We must put `__LDD_ARGV0=<program-name>' in the environment. */
|
|
Packit |
6c4009 |
filename_len = strlen (filename);
|
|
Packit |
6c4009 |
buf = (char *) alloca (sizeof "__LDD_ARGV0=" + filename_len);
|
|
Packit |
6c4009 |
mempcpy (mempcpy (buf, "__LDD_ARGV0=", sizeof "__LDD_ARGV0=" - 1),
|
|
Packit |
6c4009 |
filename, filename_len + 1);
|
|
Packit |
6c4009 |
/* ...and put the value in the environment. */
|
|
Packit |
6c4009 |
putenv (buf);
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* Now we can execute the binary. */
|
|
Packit |
6c4009 |
return execv (filename, &argv[argc]) ? 4 : 0;
|
|
Packit |
6c4009 |
}
|