manual: Clarify undefined behavior of feenableexcept (BZ 31019)
[glibc.git] / posix / fexecve.c
blob288fd9cb3dd9d32ea70cabc55b287720303082ec
1 /* Copyright (C) 1994-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
18 #include <errno.h>
19 #include <stddef.h>
20 #include <unistd.h>
23 /* Execute the file FD refers to, overlaying the running program image.
24 ARGV and ENVP are passed to the new program, as for `execve'. */
25 int
26 fexecve (int fd, char *const argv[], char *const envp[])
28 if (fd < 0 || argv == NULL || envp == NULL)
30 __set_errno (EINVAL);
31 return -1;
34 __set_errno (ENOSYS);
35 return -1;
38 stub_warning (fexecve)