yaml_parser_scan_tag_uri: fix int overflow leading to buffer overflow

1 files changed, 1 insertions, 1 deletions

diff --git a/src/scanner.c b/src/scanner.c
index a2e8619..68fc002 100644
--- a/src/scanner.c
+++ b/src/scanner.c
@@ -2574,7 +2574,7 @@ yaml_parser_scan_tag_uri(yaml_parser_t *parser, int directive,
 
     /* Resize the string to include the head. */
 
-    while (string.end - string.start <= (int)length) {
+    while ((size_t)(string.end - string.start) <= length) {
         if (!yaml_string_extend(&string.start, &string.pointer, &string.end)) {
             parser->error = YAML_MEMORY_ERROR;
             goto error;