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)) {
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
}
char *
strcpy (char *s1, const char *s2)
{
char *res = s1;
#ifdef WANT_SMALL_STRING_ROUTINES
while ((*s1++ = *s2++));
return (res);
#else
int tmp;
unsigned long l;
if (UNALIGNED(s1, s2)
#ifdef WANT_VALGRIND_SUPPORT
|| __unlikely(__valgrind)
#endif
) {
while ((*s1++ = *s2++));
return (res);
}
if ((tmp = STRALIGN(s1))) {
while (tmp-- && (*s1++ = *s2++));
if (tmp != -1) return (res);
}
while (1) {
l = *(const unsigned long *) s2;
if (((l - MKW(0x1ul)) & ~l) & MKW(0x80ul)) {
while ((*s1++ = GFC(l))) INCSTR(l);
return (res);
}
*(unsigned long *) s1 = l;
s2 += sizeof(unsigned long);
s1 += sizeof(unsigned long);
}
#endif
}
