1 files changed, 38 insertions, 0 deletions
diff --git a/support/xasprintf.c b/support/xasprintf.c
new file mode 100644
index 0000000..b9dc91b
--- /dev/null
+++ b/support/xasprintf.c
@@ -0,0 +1,38 @@
+/* Error-checking wrapper for asprintf.
+   Copyright (C) 2016 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 <support/support.h>
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+char *
+xasprintf (const char *format, ...)
+{
+  va_list ap;
+  va_start (ap, format);
+  char *result;
+  if (vasprintf (&result, format, ap) < 0)
+    {
+      printf ("error: asprintf: %m\n");
+      exit (1);
+    }
+  va_end (ap);
+  return result;
+}