1 /**************************************************************************
3 * Copyright 2013-2014 RAD Game Tools and Valve Software
4 * Copyright 2010-2014 Rich Geldreich and Tenacious Software LLC
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 **************************************************************************/
27 /* 7zBuf2.c -- Byte Buffer
28 2008-10-04 : Igor Pavlov : Public domain */
30 #include "vogl_core.h"
32 #include "lzma_7zBuf.h"
37 void DynBuf_Construct(CDynBuf *p)
44 void DynBuf_SeekToBeg(CDynBuf *p)
49 int DynBuf_Write(CDynBuf *p, const Byte *buf, size_t size, ISzAlloc *alloc)
51 if (size > p->size - p->pos)
53 size_t newSize = p->pos + size;
55 newSize += newSize / 4;
56 data = (Byte *)alloc->Alloc(alloc, newSize);
60 memcpy(data, p->data, p->pos);
61 alloc->Free(alloc, p->data);
64 memcpy(p->data + p->pos, buf, size);
69 void DynBuf_Free(CDynBuf *p, ISzAlloc *alloc)
71 alloc->Free(alloc, p->data);