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casperisfine · Oct 21, 2024 · 646f123 · 646f123
1 parent d4d9f7e
commit 646f123
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/ext/json/ext/parser/parser.c b/ext/json/ext/parser/parser.c
@@ -75,7 +75,7 @@ RBIMPL_ATTR_NORETURN()
 #endif
 static void raise_parse_error(const char *format, const char *start)
 {
-    size_t len = strnlen(start, PARSE_ERROR_FRAGMENT_LEN);
+    size_t len = *start ? strnlen(start, PARSE_ERROR_FRAGMENT_LEN) : 0;
     fprintf(stderr, "strnlen = %ld\n", len);
     const char *ptr = start;
     if (len == PARSE_ERROR_FRAGMENT_LEN) {

diff --git a/ext/json/ext/parser/parser.rl b/ext/json/ext/parser/parser.rl
@@ -73,7 +73,7 @@ RBIMPL_ATTR_NORETURN()
 #endif
 static void raise_parse_error(const char *format, const char *start)
 {
-    size_t len = strnlen(start, PARSE_ERROR_FRAGMENT_LEN);
+    size_t len = *start ? strnlen(start, PARSE_ERROR_FRAGMENT_LEN) : 0;
     fprintf(stderr, "strnlen = %ld\n", len);
     const char *ptr = start;
     if (len == PARSE_ERROR_FRAGMENT_LEN) {