| /* Copyright (C) 1999, 2000, 2002, 2003 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> |
| |
| int |
| __execve (file, argv, envp) |
| const char *file; |
| char *const argv[]; |
| char *const envp[]; |
| { |
| #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) |