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