libowfat/byte/byte_copy.c

16 lines
431 B
C

#include "byte.h"
/* byte_copy copies in[0] to out[0], in[1] to out[1], ... and in[len-1]
* to out[len-1]. */
void byte_copy(void* out, unsigned int len, const void* in) {
register char* s=out;
register const char* t=in;
register const char* u=in+len;
for (;;) {
if (t==u) break; *s=*t; ++s; ++t;
if (t==u) break; *s=*t; ++s; ++t;
if (t==u) break; *s=*t; ++s; ++t;
if (t==u) break; *s=*t; ++s; ++t;
}
}