29 lines
530 B
C
29 lines
530 B
C
/* $Header$ */
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#include <stdlib.h>
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/* replace undef by define */
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#define ALIGN_EIGHT_BYTES /* Use 8-byte alignment. */
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#ifdef ALIGN_EIGHT_BYTES
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#define ALIGN_SIZE 8
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#else
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#define ALIGN_SIZE sizeof(size_t)
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#endif
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#define ALIGN(x) (((x) + (ALIGN_SIZE - 1)) & ~(ALIGN_SIZE - 1))
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void *
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calloc(size_t nelem, size_t elsize)
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{
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register char *p;
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register size_t *q;
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size_t size = ALIGN(nelem * elsize);
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p = malloc(size);
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if (p == NULL) return NULL;
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q = (size_t *) (p + size);
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while ((char *) q > p) *--q = 0;
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return p;
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}
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