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https://github.com/DarkStore-3DS/Project_CTR.git
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3DSGuy
91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
#ifndef __ROMFS_H__
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#define __ROMFS_H__
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#include "types.h"
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#include "info.h"
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#include "ctr.h"
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#include "filepath.h"
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#include "settings.h"
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#include "ivfc.h"
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#define ROMFS_MAXNAMESIZE 254 // limit set by ctrtool
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typedef struct
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{
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u8 magic[4];
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} romfs_header;
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typedef struct
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{
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u8 offset[4];
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u8 size[4];
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} romfs_sectionheader;
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typedef struct
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{
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u8 headersize[4];
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romfs_sectionheader section[4];
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u8 dataoffset[4];
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} romfs_infoheader;
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typedef struct
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{
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u8 parentoffset[4];
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u8 siblingoffset[4];
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u8 childoffset[4];
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u8 fileoffset[4];
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u8 weirdoffset[4]; // this one is weird. it always points to a dir entry, but seems unrelated to the romfs structure.
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u8 namesize[4];
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u8 name[ROMFS_MAXNAMESIZE];
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} romfs_direntry;
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typedef struct
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{
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u8 parentdiroffset[4];
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u8 siblingoffset[4];
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u8 dataoffset[8];
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u8 datasize[8];
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u8 weirdoffset[4]; // this one is also weird. it always points to a file entry, but seems unrelated to the romfs structure.
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u8 namesize[4];
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u8 name[ROMFS_MAXNAMESIZE];
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} romfs_fileentry;
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typedef struct
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{
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FILE* file;
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settings* usersettings;
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u32 offset;
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u32 size;
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romfs_header header;
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romfs_infoheader infoheader;
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u8* dirblock;
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u32 dirblocksize;
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u8* fileblock;
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u32 fileblocksize;
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u32 datablockoffset;
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u32 infoblockoffset;
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romfs_direntry direntry;
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romfs_fileentry fileentry;
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ivfc_context ivfc;
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} romfs_context;
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void romfs_init(romfs_context* ctx);
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void romfs_set_file(romfs_context* ctx, FILE* file);
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void romfs_set_offset(romfs_context* ctx, u32 offset);
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void romfs_set_size(romfs_context* ctx, u32 size);
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void romfs_set_usersettings(romfs_context* ctx, settings* usersettings);
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void romfs_test(romfs_context* ctx);
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int romfs_dirblock_read(romfs_context* ctx, u32 diroffset, u32 dirsize, void* buffer);
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int romfs_dirblock_readentry(romfs_context* ctx, u32 diroffset, romfs_direntry* entry);
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int romfs_fileblock_read(romfs_context* ctx, u32 fileoffset, u32 filesize, void* buffer);
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int romfs_fileblock_readentry(romfs_context* ctx, u32 fileoffset, romfs_fileentry* entry);
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void romfs_visit_dir(romfs_context* ctx, u32 diroffset, u32 depth, u32 actions, filepath* rootpath);
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void romfs_visit_file(romfs_context* ctx, u32 fileoffset, u32 depth, u32 actions, filepath* rootpath);
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void romfs_extract_datafile(romfs_context* ctx, u64 offset, u64 size, filepath* path);
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void romfs_process(romfs_context* ctx, u32 actions);
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void romfs_print(romfs_context* ctx);
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#endif // __ROMFS_H__
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