1 files changed, 51 insertions, 0 deletions
diff --git a/gl/lib/xvasprintf.h b/gl/lib/xvasprintf.h
new file mode 100644
index 0000000..e5d76fd
--- /dev/null
+++ b/gl/lib/xvasprintf.h
@@ -0,0 +1,51 @@
+/* vasprintf and asprintf with out-of-memory checking.
+   Copyright (C) 2002-2004, 2006-2022 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+#ifndef _XVASPRINTF_H
+#define _XVASPRINTF_H
+
+/* Get va_list.  */
+#include <stdarg.h>
+
+/* Get _GL_ATTRIBUTE_SPEC_PRINTF_STANDARD.  */
+#include <stdio.h>
+
+/* Get 'free'.  */
+#include <stdlib.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Write formatted output to a string dynamically allocated with malloc(),
+   and return it.  Upon [ENOMEM] memory allocation error, call xalloc_die.
+   On some other error
+     - [EOVERFLOW] resulting string length is > INT_MAX,
+     - [EINVAL] invalid format string,
+     - [EILSEQ] error during conversion between wide and multibyte characters,
+   return NULL.  */
+extern char *xasprintf (const char *format, ...)
+       _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE
+       _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 1, 2));
+extern char *xvasprintf (const char *format, va_list args)
+       _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE
+       _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 1, 0));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _XVASPRINTF_H */