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/* ISC license. */
#include <skalibs/config.h>
#include <skalibs/bytestr.h>
#ifdef SKALIBS_FLAG_REPLACE_LIBC
int case_diffb (char const *s, unsigned int len, char const *t)
{
register unsigned char x = 0, y = 0 ;
unsigned char const d = 'a' - 'A' ;
while (len-- && (x == y))
{
x = *s++ ;
if (('a' <= x) && (x <= 'z')) x -= d ;
y = *t++ ;
if (('a' <= y) && (y <= 'z')) y -= d ;
}
return (int)(x - y) ;
}
#else
#include <strings.h>
int case_diffb (char const *s, unsigned int len, char const *t)
{
return strncasecmp(s, t, len) ;
}
#endif
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