casa-mp-base

Fix bugs in strndup implementation

https://git.lysator.liu.se/lsh/lsh/commit/8a0cc32f349aac3c8c3084fdb380c9d1a2338d91

--- src/argp/strndup.c.orig

+++ src/argp/strndup.c

@@ -17,15 +17,15 @@ strndup (const char *s, size_t size)

   char *end = memchr(s, 0, size);

   if (end)

-    /* Length + 1 */

-    size = end - s + 1;

+    /* strlen, i.e., excluding the terminating NUL. */

+    size = end - s;

-  r = malloc(size);

+  r = malloc(size+1);

-  if (size)

+  if (r)

     {

-      memcpy(r, s, size-1);

-      r[size-1] = '\0';

+      memcpy(r, s, size);

+      r[size] = '\0';

     }

   return r;

 }