diff options
Diffstat (limited to 'xdiff-interface.c')
| -rw-r--r-- | xdiff-interface.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/xdiff-interface.c b/xdiff-interface.c index 8457601bc4..8bab82ed7f 100644 --- a/xdiff-interface.c +++ b/xdiff-interface.c @@ -194,31 +194,34 @@ 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; } -void xdiff_set_find_func(xdemitconf_t *xecfg, const char *value) +void xdiff_set_find_func(xdemitconf_t *xecfg, const char *value, int cflags) { int i; struct ff_regs *regs; @@ -243,7 +246,7 @@ void xdiff_set_find_func(xdemitconf_t *xecfg, const char *value) expression = buffer = xstrndup(value, ep - value); else expression = value; - if (regcomp(®->re, expression, 0)) + if (regcomp(®->re, expression, cflags)) die("Invalid regexp to look for hunk header: %s", expression); free(buffer); value = ep + 1; |