| /* Copyright (C) 1991-2018 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <unistd.h> |
| #include <hurd.h> |
| #include <fcntl.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| |
| /* Replace the current process, executing FILE_NAME with arguments ARGV and |
| environment ENVP. ARGV and ENVP are terminated by NULL pointers. */ |
| int |
| __execve (const char *file_name, char *const argv[], char *const envp[]) |
| { |
| error_t err; |
| char *concat_name = NULL; |
| const char *abs_path; |
| |
| file_t file = __file_name_lookup (file_name, O_EXEC, 0); |
| if (file == MACH_PORT_NULL) |
| return -1; |
| |
| if (file_name[0] == '/') |
| { |
| /* Already an absolute path */ |
| abs_path = file_name; |
| } |
| else |
| { |
| /* Relative path */ |
| char *cwd = __getcwd (NULL, 0); |
| if (cwd == NULL) |
| { |
| __mach_port_deallocate (__mach_task_self (), file); |
| return -1; |
| } |
| |
| int res = __asprintf (&concat_name, "%s/%s", cwd, file_name); |
| free (cwd); |
| if (res == -1) |
| { |
| __mach_port_deallocate (__mach_task_self (), file); |
| return -1; |
| } |
| |
| abs_path = concat_name; |
| } |
| |
| /* Hopefully this will not return. */ |
| err = _hurd_exec_paths (__mach_task_self (), file, |
| file_name, abs_path, argv, envp); |
| |
| /* Oh well. Might as well be tidy. */ |
| __mach_port_deallocate (__mach_task_self (), file); |
| free (concat_name); |
| |
| return __hurd_fail (err); |
| } |
| |
| weak_alias (__execve, execve) |