provide malloc() and realloc() for systems that do not have satisfactory versions; resolves #1899047

1 files changed, 27 insertions, 0 deletions

diff --git a/lib/realloc.c b/lib/realloc.c
new file mode 100644
index 0000000..d7bb629
--- /dev/null
+++ b/lib/realloc.c
@@ -0,0 +1,27 @@
+#include <config.h>
+
+#include <stdlib.h>
+
+#include <errno.h>
+
+void * rpl_realloc (void *p, size_t n)
+{
+  void *result;
+
+  if (n == 0)
+    {
+      n = 1;
+    }
+
+  if (p == NULL)
+    {
+      result = malloc (n);
+    }
+  else
+    result = realloc (p, n);
+
+  if (result == NULL)
+    errno = ENOMEM;
+
+  return result;
+}