24 lines
411 B
C
24 lines
411 B
C
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/* clear - clear a block of memory, and try to do it fast.
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*/
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#include <assert.h>
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#include "in_all.h"
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/* instead of Calloc: */
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EXPORT
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clear(ptr, n)
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register char *ptr;
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register int n;
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{
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register long *q = (long *) ptr;
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assert((long)q % sizeof (long) == 0);
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while (n >= sizeof (long)) {
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/* high-speed clear loop */
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*q++ = 0;
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n -= sizeof (long);
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}
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ptr = (char *) q;
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while (n--) *ptr++ = '\0';
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}
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