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Fix undefined behaviour in strnatcmp

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Andrea Faulds
2014-12-13 22:06:27 +00:00
parent 97df260b27
commit 034e6decb3
1 changed files with 2 additions and 2 deletions
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ext/standard/strnatcmp.c
+2 -2
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@@ -117,11 +117,11 @@ PHPAPI int strnatcmp_ex(char const *a, size_t a_len, char const *b, size_t b_len
ca = *ap; cb = *bp;
/* skip over leading zeros */
while (leading && ca == '0' && (ap+1 < aend) && isdigit(*(ap+1))) {
while (leading && ca == '0' && (ap+1 < aend) && isdigit((int)(unsigned char)*(ap+1))) {
ca = *++ap;
}
while (leading && cb == '0' && (bp+1 < bend) && isdigit(*(bp+1))) {
while (leading && cb == '0' && (bp+1 < bend) && isdigit((int)(unsigned char)*(bp+1))) {
cb = *++bp;
}