Fixed loading of tilesets and images from tilemaps to correctly use relative paths.

include/akgl/error.h

@@ -1,6 +1,17 @@
 #ifndef _ERROR_H_
 #define _ERROR_H_
 
+// This macro is used to silence warnings on string concatenation operations that may fail.
+// e.g., combining two element of PATH_MAX into a string buffer of AKGL_STRING_MAX_LENGTH.
+// We have to draw a line in the sand somewhere or we will just let our buffers grow forever
+// to keep the compiler happy.
+#define DISABLE_GCC_WARNING_FORMAT_TRUNCATION	\
+    _Pragma("GCC diagnostic push") \
+    _Pragma("GCC diagnostic ignored \"-Wformat-truncation\"")
+
+#define RESTORE_GCC_WARNINGS \
+    _Pragma("GCC diagnostic pop")
+
 #define AKGL_ERR_SDL               AKERR_LAST_ERRNO_VALUE + 1
 
 #endif // _ERROR_H_