From 4f29706128f3d3a66f0503d07c4960d4021aaf27 Mon Sep 17 00:00:00 2001 From: Jakob Kaivo Date: Tue, 11 Jun 2024 13:44:21 -0400 Subject: support watching for dangerous parameter access --- src/string/strchr.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'src/string/strchr.c') diff --git a/src/string/strchr.c b/src/string/strchr.c index cde96cbf..fe4746f4 100644 --- a/src/string/strchr.c +++ b/src/string/strchr.c @@ -7,12 +7,15 @@ char * strchr(const char *s, int c) { SIGNAL_SAFE(0); ASSERT_NONNULL(s); + DANGEROUS_READ(s, -1); + size_t len = strlen(s); + DANGER_OVER(); /* RETURN_FAILURE(CONSTANT(NULL)); RETURN_SUCCESS(a pointer to the located character); */ - return (char*)memchr(s, (char)c, strlen(s)); + return (char*)memchr(s, (char)c, len); } CHECK_2(char *, 0, strchr, const char *, int) -- cgit v1.2.1