mirror of
https://sourceware.org/git/glibc.git
synced 2025-11-03 20:53:13 +03:00
74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
/* Copyright (C) 1999, 2000, 2002 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 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. */
|
|
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
|
|
#include <sysdep.h>
|
|
#include <alloca.h>
|
|
#include <sys/syscall.h>
|
|
#include <bp-checks.h>
|
|
|
|
extern int __syscall_execve (const char *__unbounded file,
|
|
char *__unbounded const *__unbounded argv,
|
|
char *__unbounded const *__unbounded envp);
|
|
extern void __pthread_kill_other_threads_np (void);
|
|
weak_extern (__pthread_kill_other_threads_np)
|
|
|
|
|
|
int
|
|
__execve (file, argv, envp)
|
|
const char *file;
|
|
char *const argv[];
|
|
char *const envp[];
|
|
{
|
|
/* If this is a threaded application kill all other threads. */
|
|
if (__pthread_kill_other_threads_np)
|
|
__pthread_kill_other_threads_np ();
|
|
#if __BOUNDED_POINTERS__
|
|
{
|
|
char *const *v;
|
|
int i;
|
|
char *__unbounded *__unbounded ubp_argv;
|
|
char *__unbounded *__unbounded ubp_envp;
|
|
char *__unbounded *__unbounded ubp_v;
|
|
|
|
for (v = argv; *v; v++)
|
|
;
|
|
i = v - argv + 1;
|
|
ubp_argv = (char *__unbounded *__unbounded) alloca (sizeof (*ubp_argv) * i);
|
|
for (v = argv, ubp_v = ubp_argv; --i; v++, ubp_v++)
|
|
*ubp_v = CHECK_STRING (*v);
|
|
*ubp_v = 0;
|
|
|
|
for (v = envp; *v; v++)
|
|
;
|
|
i = v - envp + 1;
|
|
ubp_envp = (char *__unbounded *__unbounded) alloca (sizeof (*ubp_envp) * i);
|
|
for (v = envp, ubp_v = ubp_envp; --i; v++, ubp_v++)
|
|
*ubp_v = CHECK_STRING (*v);
|
|
*ubp_v = 0;
|
|
|
|
return INLINE_SYSCALL (execve, 3, CHECK_STRING (file), ubp_argv, ubp_envp);
|
|
}
|
|
#else
|
|
return INLINE_SYSCALL (execve, 3, file, argv, envp);
|
|
#endif
|
|
}
|
|
weak_alias (__execve, execve)
|