diff options
Diffstat (limited to 'support/xsystem.c')
-rw-r--r-- | support/xsystem.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/support/xsystem.c b/support/xsystem.c new file mode 100644 index 0000000000..1f558953bc --- /dev/null +++ b/support/xsystem.c @@ -0,0 +1,37 @@ +/* Error-checking replacement for "system". + Copyright (C) 2023 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 + <https://www.gnu.org/licenses/>. */ + +#include <support/support.h> +#include <support/check.h> + +#include <support/xstdlib.h> + +void +xsystem (const char *cmd) +{ + int ret = system (cmd); + + if (ret == 0 && cmd == NULL) + FAIL_EXIT1 ("Unable to spawn a shell for NULL command"); + + if (ret == 127) + FAIL_EXIT1 ("Child terminated with status 127"); + + if (ret < 0) + FAIL_EXIT1 ("system (\"%s\")", cmd); +} |