zload.c - libzahl - big integer library
 (HTM) git clone git://git.suckless.org/libzahl
 (DIR) Log
 (DIR) Files
 (DIR) Refs
 (DIR) README
 (DIR) LICENSE
       ---
       zload.c (495B)
       ---
            1 /* See LICENSE file for copyright and license details. */
            2 #include "internals.h"
            3 
            4 
            5 size_t
            6 zload(z_t a, const void *buffer)
            7 {
            8         const char *buf = buffer;
            9         a->sign = (int)*((const long *)buf), buf += sizeof(long);
           10         a->used = *((const size_t *)buf),    buf += sizeof(size_t);
           11         if (likely(a->sign)) {
           12                 ENSURE_SIZE(a, a->used);
           13                 zmemcpy(a->chars, (const zahl_char_t *)buf, a->used);
           14         }
           15         return sizeof(long) + sizeof(size_t) +
           16                 (zzero(a) ? 0 : ((a->used + 3) & (size_t)~3) * sizeof(zahl_char_t));
           17 }