src/zload.c


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/* See LICENSE file for copyright and license details. */
#include "internals"

#include <stdlib.h>
#include <string.h>


size_t
zload(z_t a, const void *buffer)
{
        const char *buf = buffer;
        a->sign    = *((int *)buf),    buf += sizeof(int);
	a->used    = *((size_t *)buf), buf += sizeof(size_t);
        a->alloced = *((size_t *)buf), buf += sizeof(size_t);
	if (a->alloced) {
        	a->chars = realloc(a->chars, a->alloced * sizeof(*(a->chars)));
	} else {
		a->chars = 0;
	}
	if (a->sign) {
                memcpy(a->chars, buf, a->used * sizeof(*(a->chars)));
	}
	return sizeof(z_t) - sizeof(a->chars) + (a->sign ? a->used * sizeof(*(a->chars)) : 0);
}