Lines Matching refs:pkt
16 int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
18 if (!WPACKET_reserve_bytes(pkt, len, allocbytes))
21 pkt->written += len;
22 pkt->curr += len;
26 int WPACKET_sub_allocate_bytes__(WPACKET *pkt, size_t len,
29 if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
30 || !WPACKET_allocate_bytes(pkt, len, allocbytes)
31 || !WPACKET_close(pkt))
40 int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
43 if (!ossl_assert(pkt->subs != NULL && len != 0))
46 if (pkt->maxsize - pkt->written < len)
49 if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {
53 reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
62 if (BUF_MEM_grow(pkt->buf, newlen) == 0)
66 *allocbytes = WPACKET_get_curr(pkt);
71 int WPACKET_sub_reserve_bytes__(WPACKET *pkt, size_t len,
74 if (!WPACKET_reserve_bytes(pkt, lenbytes + len, allocbytes))
90 static int wpacket_intern_init_len(WPACKET *pkt, size_t lenbytes)
94 pkt->curr = 0;
95 pkt->written = 0;
97 if ((pkt->subs = OPENSSL_zalloc(sizeof(*pkt->subs))) == NULL) {
105 pkt->subs->pwritten = lenbytes;
106 pkt->subs->lenbytes = lenbytes;
108 if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars)) {
109 OPENSSL_free(pkt->subs);
110 pkt->subs = NULL;
113 pkt->subs->packet_len = lenchars - GETBUF(pkt);
118 int WPACKET_init_static_len(WPACKET *pkt, unsigned char *buf, size_t len,
127 pkt->staticbuf = buf;
128 pkt->buf = NULL;
129 pkt->maxsize = (max < len) ? max : len;
131 return wpacket_intern_init_len(pkt, lenbytes);
134 int WPACKET_init_len(WPACKET *pkt, BUF_MEM *buf, size_t lenbytes)
140 pkt->staticbuf = NULL;
141 pkt->buf = buf;
142 pkt->maxsize = maxmaxsize(lenbytes);
144 return wpacket_intern_init_len(pkt, lenbytes);
147 int WPACKET_init(WPACKET *pkt, BUF_MEM *buf)
149 return WPACKET_init_len(pkt, buf, 0);
152 int WPACKET_set_flags(WPACKET *pkt, unsigned int flags)
155 if (!ossl_assert(pkt->subs != NULL))
158 pkt->subs->flags = flags;
186 static int wpacket_intern_close(WPACKET *pkt, WPACKET_SUB *sub, int doclose)
188 size_t packlen = pkt->written - sub->pwritten;
201 if ((pkt->curr - sub->lenbytes) == sub->packet_len) {
202 pkt->written -= sub->lenbytes;
203 pkt->curr -= sub->lenbytes;
213 && !put_value(&GETBUF(pkt)[sub->packet_len], packlen,
218 pkt->subs = sub->parent;
225 int WPACKET_fill_lengths(WPACKET *pkt)
229 if (!ossl_assert(pkt->subs != NULL))
232 for (sub = pkt->subs; sub != NULL; sub = sub->parent) {
233 if (!wpacket_intern_close(pkt, sub, 0))
240 int WPACKET_close(WPACKET *pkt)
246 if (pkt->subs == NULL || pkt->subs->parent == NULL)
249 return wpacket_intern_close(pkt, pkt->subs, 1);
252 int WPACKET_finish(WPACKET *pkt)
260 if (pkt->subs == NULL || pkt->subs->parent != NULL)
263 ret = wpacket_intern_close(pkt, pkt->subs, 1);
265 OPENSSL_free(pkt->subs);
266 pkt->subs = NULL;
272 int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
278 if (!ossl_assert(pkt->subs != NULL))
286 sub->parent = pkt->subs;
287 pkt->subs = sub;
288 sub->pwritten = pkt->written + lenbytes;
296 if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))
299 sub->packet_len = lenchars - GETBUF(pkt);
304 int WPACKET_start_sub_packet(WPACKET *pkt)
306 return WPACKET_start_sub_packet_len__(pkt, 0);
309 int WPACKET_put_bytes__(WPACKET *pkt, unsigned int val, size_t size)
315 || !WPACKET_allocate_bytes(pkt, size, &data)
322 int WPACKET_set_max_size(WPACKET *pkt, size_t maxsize)
328 if (!ossl_assert(pkt->subs != NULL))
332 for (sub = pkt->subs; sub->parent != NULL; sub = sub->parent)
337 lenbytes = sizeof(pkt->maxsize);
339 if (maxmaxsize(lenbytes) < maxsize || maxsize < pkt->written)
342 pkt->maxsize = maxsize;
347 int WPACKET_memset(WPACKET *pkt, int ch, size_t len)
354 if (!WPACKET_allocate_bytes(pkt, len, &dest))
362 int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)
369 if (!WPACKET_allocate_bytes(pkt, len, &dest))
377 int WPACKET_sub_memcpy__(WPACKET *pkt, const void *src, size_t len,
380 if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
381 || !WPACKET_memcpy(pkt, src, len)
382 || !WPACKET_close(pkt))
388 int WPACKET_get_total_written(WPACKET *pkt, size_t *written)
394 *written = pkt->written;
399 int WPACKET_get_length(WPACKET *pkt, size_t *len)
402 if (!ossl_assert(pkt->subs != NULL && len != NULL))
405 *len = pkt->written - pkt->subs->pwritten;
410 unsigned char *WPACKET_get_curr(WPACKET *pkt)
412 return GETBUF(pkt) + pkt->curr;
415 void WPACKET_cleanup(WPACKET *pkt)
419 for (sub = pkt->subs; sub != NULL; sub = parent) {
423 pkt->subs = NULL;