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Fold to lowercase intead of uppercase for String#casecmp

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strcasecmp(3) and String#casecmp? both fold to lowercase.
This commit is contained in:
Jeremy Evans 2019-05-08 20:35:56 -07:00
parent d5c60214c4
commit 082424ef58
1 changed files with 4 additions and 4 deletions
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8
string.c
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@ -3417,8 +3417,8 @@ str_casecmp(VALUE str1, VALUE str2)
if (single_byte_optimizable(str1) && single_byte_optimizable(str2)) {
while (p1 < p1end && p2 < p2end) {
if (*p1 != *p2) {
unsigned int c1 = TOUPPER(*p1 & 0xff);
unsigned int c2 = TOUPPER(*p2 & 0xff);
unsigned int c1 = TOLOWER(*p1 & 0xff);
unsigned int c2 = TOLOWER(*p2 & 0xff);
if (c1 != c2)
return INT2FIX(c1 < c2 ? -1 : 1);
}
@ -3432,8 +3432,8 @@ str_casecmp(VALUE str1, VALUE str2)
int l2, c2 = rb_enc_ascget(p2, p2end, &l2, enc);
if (0 <= c1 && 0 <= c2) {
c1 = TOUPPER(c1);
c2 = TOUPPER(c2);
c1 = TOLOWER(c1);
c2 = TOLOWER(c2);
if (c1 != c2)
return INT2FIX(c1 < c2 ? -1 : 1);
}