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authorJakob Kaivo <jkk@ung.org>2024-06-11 13:44:21 -0400
committerJakob Kaivo <jkk@ung.org>2024-06-11 13:44:21 -0400
commit4f29706128f3d3a66f0503d07c4960d4021aaf27 (patch)
tree7f76ae1b7819b99756feb1daf93cfe31d5c41c3b /src/string/strrchr.c
parent523944d96e11bde68bf9bcf8e42b7ebc99c5ed3d (diff)
support watching for dangerous parameter accessnon-posix
Diffstat (limited to 'src/string/strrchr.c')
-rw-r--r--src/string/strrchr.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/string/strrchr.c b/src/string/strrchr.c
index c7172590..738935c1 100644
--- a/src/string/strrchr.c
+++ b/src/string/strrchr.c
@@ -10,11 +10,14 @@ char * strrchr(const char *s, int c)
SIGNAL_SAFE(0);
ASSERT_NONNULL(s);
+ DANGEROUS_READ(s, -1);
for (i = strlen(s) + 1; i >= 0; i--) {
if (s[i] == (char)c) {
+ DANGER_OVER();
return (char*)s + i;
}
}
+ DANGER_OVER();
/*
RETURN_SUCCESS(a pointer to the found character);