1 files changed, 41 insertions, 0 deletions
diff --git a/liba2ps/gc-stubs.c b/liba2ps/gc-stubs.c
new file mode 100644
index 0000000..9337714
--- /dev/null
+++ b/liba2ps/gc-stubs.c
@@ -0,0 +1,41 @@
+/* gnulib's reallocarray, but using GC_realloc().
+
+   Simply #defining reallocarray in config.h does not work.
+
+   Copyright 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, 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, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <errno.h>
+
+#include "intprops.h"
+
+void *
+a2ps_reallocarray(void *ptr, size_t nmemb, size_t size)
+{
+  size_t nbytes;
+  if (INT_MULTIPLY_WRAPV (nmemb, size, &nbytes))
+    {
+      errno = ENOMEM;
+      return NULL;
+    }
+
+  /* Rely on the semantics of GNU realloc.  */
+  return GC_realloc (ptr, nbytes);
+}