diff options
| author | Jakob Kaivo <jkk@ung.org> | 2024-06-11 13:44:21 -0400 |
|---|---|---|
| committer | Jakob Kaivo <jkk@ung.org> | 2024-06-11 13:44:21 -0400 |
| commit | 4f29706128f3d3a66f0503d07c4960d4021aaf27 (patch) | |
| tree | 7f76ae1b7819b99756feb1daf93cfe31d5c41c3b /src/string/strchr.c | |
| parent | 523944d96e11bde68bf9bcf8e42b7ebc99c5ed3d (diff) | |
support watching for dangerous parameter accessnon-posix
Diffstat (limited to 'src/string/strchr.c')
| -rw-r--r-- | src/string/strchr.c | 5 |
1 files changed, 4 insertions, 1 deletions
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) |