1 files changed, 36 insertions, 0 deletions
diff --git a/tileserver/util.h b/tileserver/util.h
new file mode 100644
index 000000000..a2f1f7bc8
--- /dev/null
+++ b/tileserver/util.h
@@ -0,0 +1,36 @@
+/*
+ * util.h:
+ * Utilities.
+ *
+ * Copyright (c) 2006 UK Citizens Online Democracy. All rights reserved.
+ * Email: chris@mysociety.org; WWW: http://www.mysociety.org/
+ *
+ * $Id: util.h,v 1.1 2006-09-20 15:45:51 chris Exp $
+ *
+ */
+
+#ifndef __UTIL_H_ /* include guard */
+#define __UTIL_H_
+
+/* err FORMAT [ARG ...]
+ * Write an error message to standard error. */
+    /* XXX format this with a timestamp for the error-log? */
+#define err(...)    \
+            do { \
+                fprintf(stderr, "tileserver: "); \
+                fprintf(stderr, __VA_ARGS__); \
+                fprintf(stderr, "\n"); \
+            } while (0)
+
+/* die FORMAT [ARG ...]
+ * Write an error message to standard error and exit unsuccessfully. */
+#define die(...)    do { err(__VA_ARGS__); exit(1); } while (0)
+
+/* util.c */
+void *xmalloc(const size_t s);
+void *xcalloc(const size_t a, const size_t b);
+void *xrealloc(void *b, const size_t s);
+char *xstrdup(const char *s);
+void xfree(void *v);
+
+#endif /* __UTIL_H_ */