1 files changed, 60 insertions, 0 deletions
diff --git a/src/xmalloc.c b/src/xmalloc.c
new file mode 100644
index 0000000..f831e13
--- /dev/null
+++ b/src/xmalloc.c
@@ -0,0 +1,60 @@
+/* xmalloc.c -- memory allocation including 'out of memory' checks
+ *
+ * Copyright 2010 Robin Gareus <robin@gareus.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * 
+ */
+
+#include <stdio.h>	
+#include <sys/types.h>
+#include <string.h>		
+#include <stdlib.h>
+
+static void *xmalloc_fatal(size_t size) {
+  if (size==0) return NULL;
+  fprintf(stderr, "Out of memory.");
+  exit(1);
+}
+
+void *xmalloc (size_t size) {
+  void *ptr = malloc (size);
+  if (ptr == NULL) return xmalloc_fatal(size);
+  return ptr;
+}
+
+void *xcalloc (size_t nmemb, size_t size) {
+  void *ptr = calloc (nmemb, size);
+  if (ptr == NULL) return xmalloc_fatal(nmemb*size);
+  return ptr;
+}
+
+void *xrealloc (void *ptr, size_t size) {
+  void *p = realloc (ptr, size);
+  if (p == NULL) return xmalloc_fatal(size);
+  return p;
+}
+
+char *xstrdup (const char *s) {
+  void *ptr = xmalloc(strlen(s)+1);
+  strcpy (ptr, s);
+  return (char*) ptr;
+}
+
+// vi: sts=2 sw=2 ts=2