diff options
Diffstat (limited to 'xdiff-interface.c')
| -rw-r--r-- | xdiff-interface.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/xdiff-interface.c b/xdiff-interface.c index 7f1a7d3ff..6c6bb1997 100644 --- a/xdiff-interface.c +++ b/xdiff-interface.c @@ -194,26 +194,29 @@ static long ff_regexp(const char *line, long len, char *line_buffer = xstrndup(line, len); /* make NUL terminated */ struct ff_regs *regs = priv; regmatch_t pmatch[2]; - int result = 0, i; + int i; + int result = -1; for (i = 0; i < regs->nr; i++) { struct ff_reg *reg = regs->array + i; - if (reg->negate ^ !!regexec(®->re, - line_buffer, 2, pmatch, 0)) { - free(line_buffer); - return -1; + if (!regexec(®->re, line_buffer, 2, pmatch, 0)) { + if (reg->negate) + goto fail; + break; } } + if (regs->nr <= i) + goto fail; i = pmatch[1].rm_so >= 0 ? 1 : 0; line += pmatch[i].rm_so; result = pmatch[i].rm_eo - pmatch[i].rm_so; if (result > buffer_size) result = buffer_size; else - while (result > 0 && (isspace(line[result - 1]) || - line[result - 1] == '\n')) + while (result > 0 && (isspace(line[result - 1]))) result--; memcpy(buffer, line, result); + fail: free(line_buffer); return result; } |