mirror of
https://github.com/AquariaOSE/Aquaria.git
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140 lines
2.8 KiB
C++
140 lines
2.8 KiB
C++
/*
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Copyright (C) 2007, 2010 - Bit-Blot
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This file is part of Aquaria.
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Aquaria 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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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.
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See the GNU General Public License for more details.
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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 02111-1307, USA.
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*/
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#include "PackRead.h"
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#include <fcntl.h>
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#if defined(BBGE_BUILD_UNIX)
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#include <sys/types.h>
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#include <sys/stat.h>
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#define _open open
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#define _read read
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#define _lseek lseek
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#define _close close
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#else
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#include <io.h>
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#endif
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#define LOC_UNIT long int
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void packGetLoc(const std::string &pack, const std::string &file, long int *location, int *size)
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{
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*location = 0;
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*size = 0;
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int fd = _open(pack.c_str(), O_RDONLY);
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int numFiles, nameSize, fileSize; LOC_UNIT loc;
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_read(fd, &numFiles, sizeof(int));
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for (int i = 0; i < numFiles; i++)
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{
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_lseek(fd, (i * sizeof(LOC_UNIT)) + sizeof(int), SEEK_SET);
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_read(fd, &loc, sizeof(LOC_UNIT));
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_lseek(fd, loc, SEEK_SET);
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_read(fd, &fileSize, sizeof(int));
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_read(fd, &nameSize, sizeof(int));
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char *name = (char*)malloc(nameSize+1);
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_read(fd, name, nameSize);
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name[nameSize] = '\0';
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/*
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sprintf(dbg, "fs: %d ns: %d n: %s", fileSize, nameSize, name);
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debugLog(dbg);
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*/
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if (nocasecmp(file, std::string(name))==0)
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{
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char *buffer = (char*)malloc(fileSize);
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_read(fd, buffer, fileSize);
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free(name);
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_close(fd);
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*location = loc + sizeof(int) + sizeof(int) + nameSize;
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*size = fileSize;
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return;
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//return buffer;
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}
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free(name);
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}
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_close(fd);
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return;
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}
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void packReadInfo(const char *pack)
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{
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debugLog("pack read info");
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//char dbg[256];
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int fd = _open(pack, O_RDONLY);
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int numFiles, nameSize, fileSize;
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LOC_UNIT loc;
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_read(fd, &numFiles, sizeof(int));
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/*
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sprintf(dbg, "numFiles: %d", numFiles);
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debugLog(dbg);
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*/
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for (int i = 0; i < numFiles; i++)
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{
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_lseek(fd, (i * sizeof(LOC_UNIT)) + sizeof(int), SEEK_SET);
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_read(fd, &loc, sizeof(LOC_UNIT));
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/*
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sprintf(dbg, "loc[%d] = %d", i, loc);
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debugLog(dbg);
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*/
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_lseek(fd, loc, SEEK_SET);
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_read(fd, &fileSize, sizeof(int));
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_read(fd, &nameSize, sizeof(int));
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char *name = (char*)malloc(nameSize+1);
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_read(fd, name, nameSize);
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name[nameSize] = '\0';
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/*
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sprintf(dbg, "fs: %d ns: %d n: %s", fileSize, nameSize, name);
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debugLog(dbg);
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*/
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free(name);
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}
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_close(fd);
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}
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