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/*
* Copyright (C) 2007 David Shaw <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "packets.h"
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include "GFSDKBasic.h"
#include "output.h"
extern int verbose;
auto append_packet(struct packet *packet, unsigned char *buf,
size_t len) -> struct packet * {
if (packet != nullptr) {
while (packet->size - packet->len < len) {
packet->size += 100;
packet->buf = static_cast<unsigned char *>(
GFReallocateMemory(packet->buf, packet->size));
}
memcpy(&packet->buf[packet->len], buf, len);
packet->len += len;
} else {
packet =
static_cast<struct packet *>(GFAllocateMemory(sizeof(struct packet)));
packet->type = 0;
packet->buf = static_cast<unsigned char *>(GFAllocateMemory(len));
packet->len = len;
packet->size = len;
memcpy(packet->buf, buf, len);
}
return packet;
}
void free_packet(struct packet *packet) {
if (packet != nullptr) {
GFFreeMemory(packet->buf);
GFFreeMemory(packet);
}
}
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