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| author | Eric Wong <normalperson@yhbt.net> | |
|---|---|---|
| committer | Lars Hjemli <hjemli@gmail.com> | |
| commit | ||
| parent | ||
| tree | ||
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ui-ssdiff.c: correct length check for LCS table
Each individual string may be too long for its respective
dimension of the LCS table.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
| -rw-r--r-- | ui-ssdiff.c | 6 |
1 file changed, 2 insertions, 4 deletions
diff --git a/ui-ssdiff.c b/ui-ssdiff.c index 9fb5b11..45770b1 100644 --- a/ui-ssdiff.c +++ b/ui-ssdiff.c @@ -42,14 +42,12 @@ static char *longest_common_subsequence(char *A, char *B) int i, j, ri; int m = strlen(A); int n = strlen(B); - int tmp1, tmp2, length; + int tmp1, tmp2; int lcs_length; char *result; - length = (m + 1) * (n + 1); - // We bail if the lines are too long - if (length > MAX_SSDIFF_SIZE) + if (m >= MAX_SSDIFF_M || n >= MAX_SSDIFF_N) return NULL; create_or_reset_lcs_table(); |