7 void serial_init(serializer_t *srl, void *buffer, int size)
9 srl->buffer = srl->cursor = buffer;
13 void serial_switch(serializer_t *srl, void *buffer, int size)
15 int used = srl->cursor - srl->buffer;
17 memcpy(buffer, srl->buffer, used);
20 srl->cursor = buffer + used;
23 /* returns 'size' on success, or remainging space if it was insufficient */
24 int serial_put(serializer_t *srl, const void *item, int size)
26 int left = srl->bufsize - (srl->cursor - srl->buffer);
28 if (left < size + sizeof(short)) return left - sizeof(short);
29 *((short *)srl->cursor) = size;
30 srl->cursor += sizeof(short);
31 if (size) memcpy(srl->cursor, item, size);
36 /* return 0 on success, -1 on wrong encoding (item longer than space left) */
37 int serial_get(serializer_t *srl, void **item, int *size)
39 int left = srl->bufsize - (srl->cursor - srl->buffer);
40 short isize = *((short *)srl->cursor);
42 if (isize + sizeof(short) > left) return -1;
43 srl->cursor += sizeof(short);
50 int serial_size(serializer_t *srl)
52 return srl->cursor - srl->buffer;