1 files changed, 37 insertions, 0 deletions
diff --git a/support/xsystem.c b/support/xsystem.c
new file mode 100644
index 0000000..1f55895
--- /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);
+}