mirror of
https://github.com/simtactics/niotso.git
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72 lines
No EOL
2.4 KiB
C
72 lines
No EOL
2.4 KiB
C
/*
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FileHandler - General-purpose file handling library for Niotso
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tmpl.c - Copyright (c) 2012 Niotso Project <http://niotso.org/>
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Author(s): Fatbag <X-Fi6@phppoll.org>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "iff.h"
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int iff_parse_tmpl(IFFChunk * ChunkInfo, const uint8_t * Buffer){
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IFFTemplate *Template;
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unsigned Size = ChunkInfo->Size - 76;
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unsigned FieldCount;
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unsigned i;
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const uint8_t * TempBuffer = Buffer;
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if(Size == 0) return 1;
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/* Walk through a first-pass to find the total field count */
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for(FieldCount=0; Size; FieldCount++){
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unsigned length = *TempBuffer;
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if(Size < 5 || length > Size-5)
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return 0;
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TempBuffer += length+5; Size -= length+5;
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}
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ChunkInfo->FormattedData = malloc(sizeof(IFFTemplate));
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if(ChunkInfo->FormattedData == NULL)
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return 0;
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Template = (IFFTemplate*) ChunkInfo->FormattedData;
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Template->FieldCount = FieldCount;
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Template->Fields = calloc(FieldCount, sizeof(IFFTemplateField));
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if(Template->Fields == NULL)
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return 0;
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for(i=0; i<FieldCount; i++){
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IFFTemplateField * Field = &Template->Fields[i];
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unsigned length = *Buffer;
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Field->Name = malloc(length+1);
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if(Field->Name == NULL) return 0;
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memcpy(Field->Name, Buffer+1, length);
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Field->Name[length] = 0x00;
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Buffer += length+1;
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memcpy(Field->Type, Buffer, 4);
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Buffer += 4;
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}
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return 1;
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}
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void iff_free_tmpl(void * FormattedData){
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IFFTemplate * Template = FormattedData;
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if(Template->Fields){
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unsigned f;
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for(f=0; f<Template->FieldCount; f++)
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free(Template->Fields[f].Name);
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free(Template->Fields);
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}
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} |