rockbox/apps/plugins/lua/strncat.c

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#include "rocklibc.h"
/* gcc is broken and has a non-SUSv2 compliant internal prototype.
* This causes it to warn about a type mismatch here. Ignore it. */
char *strncat(char *s, const char *t, size_t n) {
char *dest=s;
register char *max;
s+=strlen(s);
if (__unlikely((max=s+n)==s)) goto fini;
for (;;) {
if (__unlikely(!(*s = *t))) break; if (__unlikely(++s==max)) break; ++t;
#ifndef WANT_SMALL_STRING_ROUTINES
if (__unlikely(!(*s = *t))) break; if (__unlikely(++s==max)) break; ++t;
if (__unlikely(!(*s = *t))) break; if (__unlikely(++s==max)) break; ++t;
if (__unlikely(!(*s = *t))) break; if (__unlikely(++s==max)) break; ++t;
#endif
}
*s=0;
fini:
return dest;
}