Sat, May 12, 2001 at 17:12:41, roam (Peter Pentchev) wrote about "Re: adding a new
function to libc":
> > /* This is candidate to have optimized assembler variant */
> > size_t strnlen( const char* src, size_t max )
> > {
> > size_t n;
> > while( n < max && *src != '\0' )
> > n++;
> > return n;
> > }
>
> I really hope you meant *src++ there :)
Yes, sorry. I incorrectly hoped to write it again from brain instead of
copying from sources.;|
Variant from my sources:
size_t strnlen( const char* src, size_t maxlen )
{
register size_t len = 0;
while( len < maxlen && src[len] )
len++;
return len;
}
Variant from linux kernel:
#ifndef __HAVE_ARCH_STRNLEN
size_t strnlen(const char * s, size_t count)
{
const char *sc;
for (sc = s; count-- && *sc != '\0'; ++sc)
/* nothing */;
return sc - s;
}
#endif
/netch
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