You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

20 lines
528 B
C

24 years ago
#include "byte.h"
/* byte_copyr copies in[len-1] to out[len-1], in[len-2] to out[len-2],
* ... and in[0] to out[0] */
void byte_copyr(void* out, size_t len, const void* in) {
register char* s=(char*)out+len;
24 years ago
register const char* t=in;
register const char* u=t+len;
for (;;) {
if (t>=u) break;
--u; --s; *s=*u;
if (t>=u) break;
--u; --s; *s=*u;
if (t>=u) break;
--u; --s; *s=*u;
if (t>=u) break;
--u; --s; *s=*u;
24 years ago
}
}