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| author | Rich Felker <dalias@aerifal.cx> | 2014-04-18 17:38:35 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2014-04-18 17:38:35 -0400 |
| commit | 476cd1d96560aaf7f210319597556e7fbcd60469 (patch) | |
| tree | 15d02708160ed765160ed8bec3885441eeba21c2 /src/string/wcsstr.c | |
| parent | fbeadd150feaa7993250d2d6739df670d4539e54 (diff) | |
| download | musl-476cd1d96560aaf7f210319597556e7fbcd60469.tar.gz musl-476cd1d96560aaf7f210319597556e7fbcd60469.tar.bz2 musl-476cd1d96560aaf7f210319597556e7fbcd60469.tar.xz musl-476cd1d96560aaf7f210319597556e7fbcd60469.zip | |
fix false negatives with periodic needles in strstr, wcsstr, and memmem
in cases where the memorized match range from the right factor
exceeded the length of the left factor, it was wrongly treated as a
mismatch rather than a match.
issue reported by Yves Bastide.
Diffstat (limited to 'src/string/wcsstr.c')
| -rw-r--r-- | src/string/wcsstr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/string/wcsstr.c b/src/string/wcsstr.c index 3e28e287..4caaef3c 100644 --- a/src/string/wcsstr.c +++ b/src/string/wcsstr.c @@ -84,7 +84,7 @@ static wchar_t *twoway_wcsstr(const wchar_t *h, const wchar_t *n) } /* Compare left half */ for (k=ms+1; k>mem && n[k-1] == h[k-1]; k--); - if (k == mem) return (wchar_t *)h; + if (k <= mem) return (wchar_t *)h; h += p; mem = mem0; } |