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add switch_toupper_max to uppercase a string 4 bytes at a time with new switch_toupper function

This commit is contained in:
Anthony Minessale 2012-12-11 20:12:25 -06:00
parent 5d35d71cfd
commit 063962cae0
1 changed files with 31 additions and 0 deletions
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31
src/include/switch_utils.h
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@ -51,6 +51,37 @@ static inline uint32_t switch_toupper(uint32_t eax)
return eax - ebx;
}
static inline void switch_toupper_max(char *s)
{
uint32_t *b,*p;
char *c;
size_t l;
int div = 0, rem = 0;
int i;
l = strlen(s);
div = l / 4;
rem = l % 4;
p = (uint32_t *) s;
for (i = 0; i < div; i++) {
b = p;
*b = (uint32_t) switch_toupper(*b);
b++;
p++;
}
c = (char *)p;
for (i = 0; i < rem; i++) {
*c = (char) switch_toupper(*c);
c++;
}
}
SWITCH_DECLARE(int) old_switch_toupper(int c);
SWITCH_DECLARE(int) switch_tolower(int c);
SWITCH_DECLARE(int) switch_isalnum(int c);