/* fast strcmp -- Copyright (C) 2003 Thomas M. Ogrisegg <tom@hi-tek.fnord.at> */
#include <string.h>
#include "dietfeatures.h"
#include "dietstring.h"
#ifdef WANT_VALGRIND_SUPPORT
extern int __valgrind;
#endif
int
strcmp (const char *s1, const char *s2)
{
#ifdef WANT_SMALL_STRING_ROUTINES
while (*s1 && *s1 == *s2)
s1++, s2++;
return (*s1 - *s2);
#else
const unsigned long *lx1, *lx2;
unsigned long l1, l2;
int tmp;
if (UNALIGNED(s1, s2)
#ifdef WANT_VALGRIND_SUPPORT
|| __unlikely(__valgrind)
#endif
) {
while (*s1 && *s1 == *s2) s1++, s2++;
return (*s1 - *s2);
}
if ((tmp = STRALIGN(s1)))
for (; tmp--; s1++, s2++)
if (!*s1 || *s1 != *s2)
return (*s1 - *s2);
lx1 = (unsigned long *) s1;
lx2 = (unsigned long *) s2;
while (1) {
l1 = *lx1++;
l2 = *lx2++;
if ((((l1 - MKW(0x1ul)) & ~l1) & MKW(0x80ul)) ||
((((l2 - MKW(0x1ul)) & ~l2) & MKW(0x80ul))) || l1 != l2) {
unsigned char c1, c2;
while (1) {
c1 = GFC(l1);
c2 = GFC(l2);
if (!c1 || c1 != c2)
return (c1 - c2);
INCSTR(l1);
INCSTR(l2);
}
}
}
#endif
}
int strcoll(const char *s,const char* t) __attribute__((weak,alias("strcmp")));
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