From d1d226cf12f0597145977b85604fa4d6db34eaeb Mon Sep 17 00:00:00 2001
From: Carl Worth <cworth@cworth.org>
Date: Thu, 7 Nov 2013 09:38:53 -0800
Subject: [PATCH] Add xstrdup

Which is analagous to xmalloc and friends.
---
 xmalloc.c | 16 ++++++++++++++++
 xmalloc.h |  3 +++
 2 files changed, 19 insertions(+)

diff --git a/xmalloc.c b/xmalloc.c
index 8c97b0f..bc6be9f 100644
--- a/xmalloc.c
+++ b/xmalloc.c
@@ -23,7 +23,9 @@
  */
 
 #include "xmalloc.h"
+
 #include <stdio.h>
+#include <string.h>
 
 /* Allocate memory using malloc(), checking for errors.
  *
@@ -60,3 +62,17 @@ xrealloc (void *ptr, size_t size)
 
     return ret;
 }
+
+char *
+xstrdup (const char *s)
+{
+    char *ret;
+
+    ret = strdup (s);
+    if (ret == NULL) {
+	fprintf (stderr, "Error: out of memory. Exiting.\n");
+	exit (1);
+    }
+
+    return ret;
+}
diff --git a/xmalloc.h b/xmalloc.h
index 650616a..d926a91 100644
--- a/xmalloc.h
+++ b/xmalloc.h
@@ -75,4 +75,7 @@ xrealloc (void *ptr, size_t size);
   ((size) && (unsigned) (nmemb) >= INT32_MAX / (unsigned) (size) ? NULL : \
    xrealloc(ptr, (unsigned) (nmemb) * (unsigned) (size)))
 
+char *
+xstrdup (const char *s);
+
 #endif /* XMALLOC_H */
-- 
2.43.0