diff options
Diffstat (limited to 'posix/execle.c')
-rw-r--r-- | posix/execle.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/posix/execle.c b/posix/execle.c deleted file mode 100644 index bb2c4a0cf2..0000000000 --- a/posix/execle.c +++ /dev/null @@ -1,59 +0,0 @@ -/* Copyright (C) 1991-2017 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 <stdarg.h> -#include <errno.h> -#include <sys/param.h> - -/* Execute PATH with all arguments after PATH until a NULL pointer, - and the argument after that for environment. */ -int -execle (const char *path, const char *arg, ...) -{ - ptrdiff_t argc; - va_list ap; - va_start (ap, arg); - for (argc = 1; va_arg (ap, const char *); argc++) - { - if (argc == INT_MAX) - { - va_end (ap); - errno = E2BIG; - return -1; - } - } - va_end (ap); - - /* Avoid dynamic memory allocation due two main issues: - 1. The function should be async-signal-safe and a running on a signal - handler with a fail outcome might lead to malloc bad state. - 2. It might be used in a vfork/clone(VFORK) scenario where using - malloc also might lead to internal bad state. */ - ptrdiff_t i; - char *argv[argc + 1]; - char **envp; - va_start (ap, arg); - argv[0] = (char *) arg; - for (i = 1; i <= argc; i++) - argv[i] = va_arg (ap, char *); - envp = va_arg (ap, char **); - va_end (ap); - - return __execve (path, argv, envp); -} -libc_hidden_def (execle) |