88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
/**
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* @file romfs_dev.h
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* @brief RomFS driver.
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* @author yellows8
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* @author mtheall
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* @author fincs
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* @author Maschell
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* @copyright libnx Authors
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*/
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#pragma once
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#include <wut.h>
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/// RomFS header.
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typedef struct {
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uint64_t headerSize; ///< Size of the header.
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uint64_t dirHashTableOff; ///< Offset of the directory hash table.
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uint64_t dirHashTableSize; ///< Size of the directory hash table.
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uint64_t dirTableOff; ///< Offset of the directory table.
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uint64_t dirTableSize; ///< Size of the directory table.
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uint64_t fileHashTableOff; ///< Offset of the file hash table.
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uint64_t fileHashTableSize; ///< Size of the file hash table.
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uint64_t fileTableOff; ///< Offset of the file table.
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uint64_t fileTableSize; ///< Size of the file table.
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uint64_t fileDataOff; ///< Offset of the file data.
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} romfs_header;
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/// RomFS directory.
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typedef struct {
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uint32_t parent; ///< Offset of the parent directory.
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uint32_t sibling; ///< Offset of the next sibling directory.
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uint32_t childDir; ///< Offset of the first child directory.
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uint32_t childFile; ///< Offset of the first file.
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uint32_t nextHash; ///< Directory hash table pointer.
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uint32_t nameLen; ///< Name length.
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uint8_t name[]; ///< Name. (UTF-8)
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} romfs_dir;
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/// RomFS file.
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typedef struct {
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uint32_t parent; ///< Offset of the parent directory.
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uint32_t sibling; ///< Offset of the next sibling file.
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uint64_t dataOff; ///< Offset of the file's data.
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uint64_t dataSize; ///< Length of the file's data.
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uint32_t nextHash; ///< File hash table pointer.
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uint32_t nameLen; ///< Name length.
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uint8_t name[]; ///< Name. (UTF-8)
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} romfs_file;
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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RomfsSource_FileDescriptor,
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RomfsSource_FileDescriptor_CafeOS,
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} RomfsSource;
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/**
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* @brief Mounts the Application's RomFS.
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* @param name Device mount name.
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*/
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int32_t romfsMount(const char *name, const char * path, RomfsSource source);
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/**
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* @brief Mounts RomFS from an open file.
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* @param file FsFile of the RomFS image.
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* @param offset Offset of the RomFS within the file.
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* @param name Device mount name.
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bool romfsMountFromFile(FsFile file, uint64_t offset, const char *name);
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*/
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/// Unmounts the RomFS device.
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int32_t romfsUnmount(const char *name);
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/// RomFS file.
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typedef struct {
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uint64_t length; ///< Offset of the file's data.
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uint64_t offset; ///< Length of the file's data.
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} romfs_fileInfo;
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int romfsGetFileInfoPerPath(const char* romfs, const char *path, romfs_fileInfo* out);
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#ifdef __cplusplus
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}
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#endif
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