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| author | Quentin Rameau <quinq@fifth.space> | 2018-11-11 09:25:26 +0100 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2018-12-02 09:24:15 -0500 |
| commit | d9bdfd1644320ab916ea31d95da4bf641042209a (patch) | |
| tree | 0e0bc5200c4d52dbea7ee61c5b1b44ecb7c64391 | |
| parent | 39ef612aa193cc6e954ac5a01574300ccd4b7ef9 (diff) | |
| download | musl-d9bdfd1644320ab916ea31d95da4bf641042209a.tar.gz musl-d9bdfd1644320ab916ea31d95da4bf641042209a.tar.xz musl-d9bdfd1644320ab916ea31d95da4bf641042209a.zip | |
fix memccpy to not access buffer past given size
memccpy would return a pointer over the given size when c is not found in the source buffer and n reaches 0.
| -rw-r--r-- | src/string/memccpy.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/string/memccpy.c b/src/string/memccpy.c index f515581c..00c18e2b 100644 --- a/src/string/memccpy.c +++ b/src/string/memccpy.c @@ -29,6 +29,6 @@ void *memccpy(void *restrict dest, const void *restrict src, int c, size_t n) #endif for (; n && (*d=*s)!=c; n--, s++, d++); tail: - if (*s==c) return d+1; + if (n && *s==c) return d+1; return 0; } |