Make the tileset firstgid a Uint32.

1 files changed, 22 insertions, 0 deletions

diff --git a/src/xml.c b/src/xml.c
index 267b25e..b10b4c7 100644
--- a/src/xml.c
+++ b/src/xml.c
@@ -1,6 +1,8 @@
 #include <string.h>
 #include <stdio.h>
+#include <inttypes.h>
 #include <expat.h>
+#include <SDL_stdinc.h>
 #include "xml.h"
 #include "logging.h"
 
@@ -35,6 +37,26 @@ xml_unexpected_end_tag(XML_Parser p, const char *found, const char *expected)
 }
 
 void
+xml_get_uint32_attr(XML_Parser p, const char **attr, const char *name,
+		Uint32 *dest, int req)
+{
+	for (; attr[0] != NULL; attr += 2) {
+		if (strcmp(attr[0], name) == 0) {
+			if (sscanf(attr[1], "%" PRIu32, dest) == 1) {
+				return;
+			} else if (req) {
+				warn("Invalid \"%s\" attribute value", name);
+				XML_StopParser(p, XML_FALSE);
+			}
+		}
+	}
+	if (req) {
+		warn("Required attribute \"%s\" not found", name);
+		XML_StopParser(p, XML_FALSE);
+	}
+}
+
+void
 xml_get_int_attr(XML_Parser p, const char **attr, const char *name,
 		int *dest, int req)
 {