new_l = strlen(buf) + subs[0].rm_so; /* part before the match */
walk = replace;
while (*walk) {
- if ('\\' == *walk && isdigit(walk[1]) && ((unsigned char)walk[1]) - '0' <= re.re_nsub) {
+ if ('\\' == *walk && isdigit((unsigned char)walk[1]) && ((unsigned char)walk[1]) - '0' <= re.re_nsub) {
if (subs[walk[1] - '0'].rm_so > -1 && subs[walk[1] - '0'].rm_eo > -1) {
new_l += subs[walk[1] - '0'].rm_eo - subs[walk[1] - '0'].rm_so;
}
new_l = strlen(buf) + subs[0].rm_so; /* part before the match */
walk = replace;
while (*walk) {
- if ('\\' == *walk && isdigit(walk[1]) && ((unsigned char)walk[1]) - '0' <= re.re_nsub) {
+ if ('\\' == *walk && isdigit((unsigned char)walk[1]) && ((unsigned char)walk[1]) - '0' <= re.re_nsub) {
if (subs[walk[1] - '0'].rm_so > -1 && subs[walk[1] - '0'].rm_eo > -1) {
new_l += subs[walk[1] - '0'].rm_eo - subs[walk[1] - '0'].rm_so;
}