X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=xmalloc.c;h=e8b93670f0f086503f5f20558df9f5b254711bda;hb=01b9630089d68e7e0e570cf9793c00a8519df973;hp=22eb7cf49a6ce0de945327140421f2d7c7a31192;hpb=da0ee5e7efab316635f59d212028844f848fa6ce;p=fips

diff --git a/xmalloc.c b/xmalloc.c
index 22eb7cf..e8b9367 100644
--- a/xmalloc.c
+++ b/xmalloc.c
@@ -21,6 +21,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "xmalloc.h"
 
@@ -30,6 +31,52 @@ xmalloc (size_t size)
 	void *ret;
 
 	ret = malloc (size);
+	if (size != 0 && ret == NULL) {
+		fprintf (stderr, "Out of memory\n");
+		exit (1);
+	}
+
+	return ret;
+}
+
+void *
+xcalloc (size_t nmemb, size_t size)
+{
+	void *ret;
+
+	ret = calloc (nmemb, size);
+	if (size != 0 && ret == NULL) {
+		fprintf (stderr, "Out of memory\n");
+		exit (1);
+	}
+
+	return ret;
+}
+
+void *
+xrealloc (void *ptr, size_t size)
+{
+	void *ret;
+
+	ret = realloc (ptr, size);
+	if (size != 0 && ret == NULL) {
+		fprintf (stderr, "Out of memory\n");
+		exit (1);
+	}
+
+	return ret;
+}
+
+char *
+xstrdup (const char *s)
+{
+	void *ret;
+
+	if (s == NULL)
+		return NULL;
+
+	ret = strdup (s);
+
 	if (ret == NULL) {
 		fprintf (stderr, "Out of memory\n");
 		exit (1);
@@ -37,3 +84,4 @@ xmalloc (size_t size)
 
 	return ret;
 }
+