1 files changed, 96 insertions, 0 deletions
diff --git a/mem.c b/mem.c
new file mode 100644
index 0000000..1d4c471
--- /dev/null
+++ b/mem.c
@@ -0,0 +1,96 @@
+/*  $Id: mem.c,v 1.1.1.1 2010/07/17 17:30:32 culot Exp $  */
+
+/*
+ * Copyright (c) 2010 Frederic Culot <frederic@culot.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the
+ *        following disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the
+ *        following disclaimer in the documentation and/or other
+ *        materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "oldrunner.h"
+
+void *
+xmalloc (size_t size)
+{
+  void *p;
+  
+  EXIT_IF (size == 0, "xmalloc: zero size");
+  p = malloc (size);
+  EXIT_IF (p == 0, "xmalloc: out of memory");
+
+  return p;
+}
+
+void *
+xcalloc (size_t nmemb, size_t size)
+{
+  void *p;
+
+  EXIT_IF (nmemb == 0 || size == 0, "xcalloc: zero size");
+  EXIT_IF (SIZE_MAX / nmemb < size, "xcalloc: overflow");
+  p = calloc (nmemb, size);
+  EXIT_IF (p == 0, "xcalloc: out of memory");
+
+  return p;
+}
+
+void *
+xrealloc (void *ptr, size_t nmemb, size_t size)
+{
+  void *new_ptr;
+  size_t new_size;
+
+  new_size = nmemb * size;
+  EXIT_IF (new_size == 0, "xrealloc: zero size");
+  EXIT_IF (SIZE_MAX / nmemb < size, "xrealloc: overflow");
+  new_ptr = realloc (ptr, new_size);
+  EXIT_IF (new_ptr == 0, "xrealloc: out of memory");
+
+  return new_ptr;
+}
+
+char *
+xstrdup (const char *str)
+{
+  size_t len;
+  char *cp;
+
+  len = strlen (str) + 1;
+  cp = xmalloc (len);
+
+  return strncpy (cp, str, len);
+}
+
+void
+xfree (void *p)
+{
+  EXIT_IF (p == 0, "xfree: null pointer");
+  free (p);
+}