From e46b7516f01e8f40a0df4f3d43d67e796fa78937 Mon Sep 17 00:00:00 2001
From: chris <chris>
Date: Wed, 20 Sep 2006 15:45:51 +0000
Subject: Add some missing files.

---
 tileserver/util.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 tileserver/util.c

(limited to 'tileserver/util.c')

diff --git a/tileserver/util.c b/tileserver/util.c
new file mode 100644
index 000000000..fbc500438
--- /dev/null
+++ b/tileserver/util.c
@@ -0,0 +1,53 @@
+/*
+ * util.c:
+ * Miscellaneous utility functions.
+ *
+ * Copyright (c) 2006 UK Citizens Online Democracy. All rights reserved.
+ * Email: chris@mysociety.org; WWW: http://www.mysociety.org/
+ *
+ */
+
+static const char rcsid[] = "$Id: util.c,v 1.1 2006-09-20 15:45:51 chris Exp $";
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "util.h"
+
+/*
+ * Wrappers for memory-allocation functions.
+ */
+void *xmalloc(const size_t s) {
+    void *v;
+    if (!(v = malloc(s)))
+        die("malloc(%u bytes): %s", (unsigned)s, strerror(errno));
+    return v;
+}
+
+void *xcalloc(const size_t a, const size_t b) {
+    void *v;
+    if (!(v = calloc(a, b)))
+        die("calloc(%u * %u bytes): %s",
+                (unsigned)a, (unsigned)b, strerror(errno));
+    return v;
+}
+
+void *xrealloc(void *b, const size_t s) {
+    void *v;
+    if (!(v = realloc(b, s)))
+        die("realloc(%u bytes): %s", (unsigned)s, strerror(errno));
+    return v;
+}
+
+char *xstrdup(const char *s) {
+    char *t;
+    if (!(t = strdup(s)))
+        die("strdup(%u bytes): %s", (unsigned)(strlen(s) + 1), strerror(errno));
+    return t;
+}
+
+void xfree(void *v) {
+    if (v) free(v);
+}
-- 
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