diff options
| -rw-r--r-- | xdiff/xhistogram.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/xdiff/xhistogram.c b/xdiff/xhistogram.c index 391333a1a4..4cfafa1b3a 100644 --- a/xdiff/xhistogram.c +++ b/xdiff/xhistogram.c @@ -339,21 +339,24 @@ static int histogram_diff(xpparam_t const *xpp, xdfenv_t *env, if (find_lcs(&index, &lcs, line1, count1, line2, count2)) result = fall_back_to_classic_diff(&index, line1, count1, line2, count2); else { - result = 0; if (lcs.begin1 == 0 && lcs.begin2 == 0) { int ptr; for (ptr = 0; ptr < count1; ptr++) env->xdf1.rchg[line1 + ptr - 1] = 1; for (ptr = 0; ptr < count2; ptr++) env->xdf2.rchg[line2 + ptr - 1] = 1; + result = 0; } else { result = histogram_diff(xpp, env, - line1, lcs.begin1 - line1, - line2, lcs.begin2 - line2); + line1, lcs.begin1 - line1, + line2, lcs.begin2 - line2); + if (result) + goto cleanup; result = histogram_diff(xpp, env, - lcs.end1 + 1, LINE_END(1) - lcs.end1, - lcs.end2 + 1, LINE_END(2) - lcs.end2); - result *= -1; + lcs.end1 + 1, LINE_END(1) - lcs.end1, + lcs.end2 + 1, LINE_END(2) - lcs.end2); + if (result) + goto cleanup; } } |