Descent3/cfile/hogfile.cpp
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/*
* Descent 3
* Copyright (C) 2024 Parallax Software
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
--- HISTORICAL COMMENTS FOLLOW ---
* $Logfile: /DescentIII/Main/Cfile/hog.cpp $
* $Revision: 20 $
* $Date: 8/06/99 4:29p $
* $Author: Samir $
*
*
*
* $Log: /DescentIII/Main/Cfile/hog.cpp $
*
* 20 8/06/99 4:29p Samir
* added function to read record information for a hog file entry. needed
* from mn3edit.
*
* 19 7/28/99 3:35p Kevin
* Mac!
*
* 18 5/10/99 10:25p Ardussi
* changes to compile on Mac
*
* 17 4/15/99 9:19p Jeff
* Changes for Linux version
*
* 16 2/16/99 2:08p Nate
* Made CreateNewHogFile() a bit friendlier
*
* 15 1/13/99 6:39a Jeff
* fixed some case-sensitive #includes
*
* 13 10/15/98 2:52p Nate
* Fixed FileCopy() by changing free() to mem_free()
*
* 12 10/08/98 4:23p Kevin
* Changed code to comply with memory library usage. Always use mem_malloc
* , mem_free and mem_strdup
*
* 11 8/16/98 4:23p Nate
* Added CreateNewHogFile()
*
* 10 8/14/98 4:38p Nate
* Fixed a few minor bugs and added better error reporting
*
* 9 8/14/98 1:01p Nate
* Added better error reporting for the HogEditor
*
* 8 7/27/98 9:48a Nate
* Fixed hog file header filling
*
* 7 7/24/98 6:39p Nate
* fixed hog bugs.
*
* 6 7/20/98 3:34p Nate
* Fixed up Hog file stuff
*
* 5 7/13/98 6:20p Nate
* Fixed ReadHogEntry() and WriteHogEntry()
*
* 4 7/13/98 2:18p Nate
*
* 3 4/01/98 7:03p Samir
* modified some cfile stuff.
*
* 2 3/31/98 6:13p Samir
* new hogfile format.
*
* 1 3/31/98 6:08p Samir
*
*
* $NoKeywords: $
*/
#include "byteswap.h"
#include "hogfile.h"
/*
HOG FILE FORMAT v2.0
HOG_TAG_STR [strlen()]
NFILES [int32]
HDRINFO [HOG_HDR_SIZE]
FILE_TABLE [sizeof(FILE_ENTRY) * NFILES]
FILE 0 [filelen(FILE 0)]
FILE 1 [filelen(FILE 1)]
.
.
.
FILE NFILES-1 [filelen(NFILES -1)]
*/
bool ReadHogHeader(FILE *fp, tHogHeader *header) {
if (fread(&header->nfiles, sizeof(header->nfiles), 1, fp) != 1)
return false;
header->nfiles = INTEL_INT(header->nfiles);
if (fread(&header->file_data_offset, sizeof(header->file_data_offset), 1, fp) != 1)
return false;
header->file_data_offset = INTEL_INT(header->file_data_offset);
return true;
}
bool ReadHogEntry(FILE *fp, tHogFileEntry *entry) {
if (fread(entry->name, sizeof(char), HOG_FILENAME_LEN, fp) != HOG_FILENAME_LEN)
return false;
if (fread(&entry->flags, sizeof(entry->flags), 1, fp) != 1)
return false;
entry->flags = INTEL_INT(entry->flags);
if (fread(&entry->len, sizeof(entry->len), 1, fp) != 1)
return false;
entry->len = INTEL_INT(entry->len);
if (fread(&entry->timestamp, sizeof(entry->timestamp), 1, fp) != 1)
return false;
entry->timestamp = INTEL_INT(entry->timestamp);
return true;
}