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86 lines
2 KiB
C++
86 lines
2 KiB
C++
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// Emacs style mode select -*- C++ -*-
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//-----------------------------------------------------------------------------
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//
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// Copyright(C) 1993-1996 Id Software, Inc.
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// Copyright(C) 2008 Simon Howard
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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// 02111-1307, USA.
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//
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// DESCRIPTION:
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// WAD I/O functions.
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//
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//-----------------------------------------------------------------------------
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#include "vpo_local.h"
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namespace vpo
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{
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wad_file_t *W_OpenFile(const char *path)
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{
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wad_file_t *result;
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FILE *fstream = fopen(path, "rb");
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if (fstream == NULL)
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{
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return NULL;
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}
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// Create a new wad_file_t to hold the file handle.
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result = new wad_file_t;
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result->fstream = fstream;
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// result->length = M_FileLength(fstream);
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return result;
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}
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void W_CloseFile(wad_file_t *wad)
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{
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fclose(wad->fstream);
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delete wad;
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}
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// Read data from the specified position in the file into the
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// provided buffer. Returns the number of bytes read.
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size_t W_Read(wad_file_t *wad, unsigned int offset,
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void *buffer, size_t buffer_len)
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{
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size_t result;
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// Jump to the specified position in the file.
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fseek(wad->fstream, offset, SEEK_SET);
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// Read into the buffer.
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result = fread(buffer, 1, buffer_len, wad->fstream);
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return result;
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}
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} // namespace vpo
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