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-rw-r--r--support/Makefile1
-rw-r--r--support/xstdlib.h31
-rw-r--r--support/xsystem.c37
3 files changed, 69 insertions, 0 deletions
diff --git a/support/Makefile b/support/Makefile
index 5939e53..c81e3c9 100644
--- a/support/Makefile
+++ b/support/Makefile
@@ -212,6 +212,7 @@ libsupport-routines = \
xstrndup \
xsymlink \
xsysconf \
+ xsystem \
xunlink \
xuselocale \
xwaitpid \
diff --git a/support/xstdlib.h b/support/xstdlib.h
new file mode 100644
index 0000000..db5a5b9
--- /dev/null
+++ b/support/xstdlib.h
@@ -0,0 +1,31 @@
+/* Error-checking wrappers for stdlib functions.
+ 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/>. */
+
+#ifndef SUPPORT_XSTDLIB_H
+#define SUPPORT_XSTDLIB_H
+
+#include <stdlib.h>
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+void xsystem (const char *cmd);
+
+__END_DECLS
+
+#endif /* SUPPORT_XSTDLIB_H */
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);
+}