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-rw-r--r--ext/ereg/ereg.c2
-rw-r--r--ext/standard/reg.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/ext/ereg/ereg.c b/ext/ereg/ereg.c
index d641cf9cfd..1eb83f0187 100644
--- a/ext/ereg/ereg.c
+++ b/ext/ereg/ereg.c
@@ -324,7 +324,7 @@ PHPAPI char *php_reg_replace(const char *pattern, const char *replace, const cha
new_l = strlen(buf) + subs[0].rm_so; /* part before the match */
walk = replace;
while (*walk) {
- if ('\\' == *walk && isdigit(walk[1]) && walk[1] - '0' <= ((char) re.re_nsub)) {
+ if ('\\' == *walk && isdigit(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;
}
diff --git a/ext/standard/reg.c b/ext/standard/reg.c
index d641cf9cfd..1eb83f0187 100644
--- a/ext/standard/reg.c
+++ b/ext/standard/reg.c
@@ -324,7 +324,7 @@ PHPAPI char *php_reg_replace(const char *pattern, const char *replace, const cha
new_l = strlen(buf) + subs[0].rm_so; /* part before the match */
walk = replace;
while (*walk) {
- if ('\\' == *walk && isdigit(walk[1]) && walk[1] - '0' <= ((char) re.re_nsub)) {
+ if ('\\' == *walk && isdigit(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;
}