#include "byte.h" /* byte_zero sets the bytes out[0], out[1], ..., out[len-1] to 0 */ void byte_zero(void* out, size_t len) { #if 1 /* gcc 4.3.1 generates wrong code for this, so I'm switching to * simpler code */ register char* s=out; size_t i; for (i=0; i<len; ++i) s[i]=0; #else register char* s=out; register const char* t=s+len; for (;;) { if (s==t) break; *s=0; ++s; if (s==t) break; *s=0; ++s; if (s==t) break; *s=0; ++s; if (s==t) break; *s=0; ++s; } #endif }