203 lines
10 KiB
C
203 lines
10 KiB
C
#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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enum WUHBUtilsStatus {
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WUHB_UTILS_RESULT_SUCCESS = 0,
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WUHB_UTILS_RESULT_MODULE_NOT_FOUND = -1,
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WUHB_UTILS_RESULT_MODULE_MISSING_EXPORT = -2,
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WUHB_UTILS_RESULT_UNSUPPORTED_VERSION = -3,
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WUHB_UTILS_RESULT_INVALID_ARG = -10,
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WUHB_UTILS_RESULT_NO_MEMORY = -11,
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WUHB_UTILS_RESULT_MOUNT_NAME_TAKEN = -12,
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WUHB_UTILS_RESULT_MOUNT_NOT_FOUND = -13,
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WUHB_UTILS_RESULT_FILE_NOT_FOUND = -14,
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WUHB_UTILS_RESULT_FILE_HANDLE_NOT_FOUND = -15,
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WUHB_UTILS_RESULT_MOUNT_FAILED = -16,
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WUHB_UTILS_RESULT_LIB_UNINITIALIZED = -20,
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WUHB_UTILS_RESULT_UNKNOWN_ERROR = -1000,
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};
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typedef uint32_t WUHBUtilsVersion;
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typedef uint32_t WUHBFileHandle;
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#define WUHB_UTILS_MODULE_VERSION 0x00000001
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typedef enum WUHBUtilsApiErrorType {
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WUHB_UTILS_API_ERROR_NONE = 0,
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WUHB_UTILS_API_ERROR_INVALID_ARG = -1,
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WUHB_UTILS_API_ERROR_MOUNT_NAME_TAKEN = -2,
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WUHB_UTILS_API_ERROR_MOUNT_NOT_FOUND = -3,
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WUHB_UTILS_API_ERROR_FILE_NOT_FOUND = -4,
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WUHB_UTILS_API_ERROR_FILE_HANDLE_NOT_FOUND = -5,
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WUHB_UTILS_API_ERROR_NO_MEMORY = -6,
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WUHB_UTILS_API_ERROR_MOUNT_FAILED = -7,
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} WUHBUtilsApiErrorType;
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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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} WUHBRPXInfo;
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typedef enum {
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BundleSource_FileDescriptor, /* The POSIX file api be used, use paths like fs:/vol/external01/my.wuhb */
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BundleSource_FileDescriptor_CafeOS, /* The native CafeOS file api will be used, use paths like /vol/external01/my.wuhb */
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} BundleSource;
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/**
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* This function has to be called before any other function of this lib (except WUHBUtils_GetVersion) can be used.
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*
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* @return WUHB_UTILS_RESULT_SUCCESS: The library has been initialized successfully. Other functions can now be used.
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* WUHB_UTILS_RESULT_MODULE_NOT_FOUND: The module could not be found. Make sure the module is loaded.
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* WUHB_UTILS_RESULT_MODULE_MISSING_EXPORT: The module is missing an expected export.
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* WUHB_UTILS_RESULT_UNSUPPORTED_VERSION: The version of the loaded module is not compatible with this version of the lib.
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*/
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WUHBUtilsStatus WUHBUtils_Init();
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/**
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* Returns the API Version of the WUHBUtils Module.
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* @return The WUHBUtilsVersion of the Module
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*/
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WUHBUtilsVersion WUHBUtils_GetVersion();
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/**
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* Mounts a given bundle to a given mount path. Use WUHBUtils_UnmountBundle to unmount it.
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*
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* Caution: the mounted path is only available via the WUHBUtils_FileXXX functions.
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*
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* @param name path the bundle should be mounted to (e.g. "bundle")
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* @param bundle_path path to the bundle file (path may depend on the BundleSource)
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* @param source type of source. See BundleSource for more information.
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* @param outRes on success the result of the function will be stored here.
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* @return WUHB_UTILS_RESULT_SUCCESS: MountBundle has been called successfully. The result has been written to outRes.
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* *outRes is >= 0 on success.
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* *outRes is < 0 on error.
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* WUHB_UTILS_RESULT_LIB_UNINITIALIZED: "WUHBUtils_Init()" was not called before.
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* WUHB_UTILS_RESULT_INVALID_ARG: "name", "path" or "outRes" was NULL
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* WUHB_UTILS_RESULT_MOUNT_NAME_TAKEN: The given name has been already taken.
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* WUHB_UTILS_RESULT_UNKNOWN_ERROR: Unknown error.
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*/
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WUHBUtilsStatus WUHBUtils_MountBundle(const char *name, const char *path, BundleSource source, int32_t *outRes);
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/**
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*
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* @param name path the bundle should be unmounted to (e.g. "bundle")
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* @param outRes (optional) on success the result of the function will be stored here.
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* @return WUHB_UTILS_RESULT_SUCCESS: UnmountBundle has been called successfully. The result has been written to outRes.
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* *outRes is >= 0 on success.
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* *outRes is < 0 on error.
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* WUHB_UTILS_RESULT_LIB_UNINITIALIZED: "WUHBUtils_Init()" was not called before.
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* WUHB_UTILS_RESULT_INVALID_ARG: "name", was NULL
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* WUHB_UTILS_API_ERROR_MOUNT_NOT_FOUND: "name" was not mounted.
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* WUHB_UTILS_RESULT_UNKNOWN_ERROR: Unknown error.
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*/
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WUHBUtilsStatus WUHBUtils_UnmountBundle(const char *name, int32_t *outRes);
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/**
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* Opens a file inside a mounted bundle.
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* (only read only is supported and is default)
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*
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* Make sure the bundle is mounted via WUHBUtils_MountBundle.
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*
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* If a given files does not exists, it's checks for a compressed version
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* (at name + ".gz). If a compressed file was found, all file reads will be
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* decompressed on the fly.
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*
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* @param name path to the file that should be opened.
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* @param outHandle on success the result of the function will be stored here.
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* @return WUHB_UTILS_RESULT_SUCCESS: file has been opened successfully.
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* The file handle has been stored in *outHandle
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* WUHB_UTILS_RESULT_LIB_UNINITIALIZED: "WUHBUtils_Init()" was not called before.
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* WUHB_UTILS_RESULT_INVALID_ARG: "name", was NULL
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* WUHB_UTILS_API_ERROR_FILE_NOT_FOUND: file at path "name" was not found.
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* WUHB_UTILS_API_ERROR_NO_MEMORY: not enough memory.
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* WUHB_UTILS_RESULT_UNKNOWN_ERROR: Unknown error.
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*/
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WUHBUtilsStatus WUHBUtils_FileOpen(const char *name, WUHBFileHandle *outHandle);
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/**
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* Reads from a given file.
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*
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* @param handle File handle to be read from.
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* @param buffer buffer where data will be written to.
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* Align to 0x40 for best performance
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* @param size maximum bytes this function should read into buffer
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* @return WUHB_UTILS_RESULT_SUCCESS file read has been called successfully. The result has been written to *outRes.
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* On success, the number of bytes read is set to *outRes (zero indicates
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* end of file), and the file position is advanced by this number.
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* It is not an error if this number is smaller than the number of
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* bytes requested.
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* On error, *outRes is set to -1.
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* WUHB_UTILS_RESULT_LIB_UNINITIALIZED: "WUHBUtils_Init()" was not called before.
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* WUHB_UTILS_RESULT_INVALID_ARG: "buffer" or "outRes" is NULL
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* WUHB_UTILS_API_ERROR_FILE_HANDLE_NOT_FOUND: file handle is invalid.
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* WUHB_UTILS_RESULT_UNKNOWN_ERROR: Unknown error.
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*/
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WUHBUtilsStatus WUHBUtils_FileRead(WUHBFileHandle handle, uint8_t *buffer, uint32_t size, int32_t *outRes);
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/**
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* Closes a given file
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*
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* example: if(WUHBUtils_FileClose(fileHandle) != WUHB_UTILS_RESULT_SUCCESS) { //error while closing the file }
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*
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* @param handle File to be closed
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* @return WUHB_UTILS_RESULT_SUCCESS file handle has been closed successfully.
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* WUHB_UTILS_RESULT_LIB_UNINITIALIZED: "WUHBUtils_Init()" was not called before.
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* WUHB_UTILS_API_ERROR_FILE_HANDLE_NOT_FOUND: file handle is invalid.
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* WUHB_UTILS_RESULT_UNKNOWN_ERROR: Unknown error.
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*/
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WUHBUtilsStatus WUHBUtils_FileClose(WUHBFileHandle handle);
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/**
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* Checks if a given file exists
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*
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* example: int32_t res; if(WUHBUtils_FileExists("bundle:/meta/meta.ini", &res) == WUHB_UTILS_RESULT_SUCCESS && res) { // file exists}
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*
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* @param name Paths to be checked
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* @param outRes PTR to the int where the file check result will be stored.
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* @return WUHB_UTILS_RESULT_SUCCESS file exists check has been called. The result has been written to *outRes.
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* WUHB_UTILS_RESULT_LIB_UNINITIALIZED: "WUHBUtils_Init()" was not called before.
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* WUHB_UTILS_API_ERROR_INVALID_ARG: "name" or "outRes" is NULL.
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* WUHB_UTILS_RESULT_UNKNOWN_ERROR: Unknown error.
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*/
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WUHBUtilsStatus WUHBUtils_FileExists(const char *name, int32_t *outRes);
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/**
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* Opens a file, reads it completely and returns the data as new buffer,
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* Onn success the the caller has to call "free()" on the returned buffer after using it.
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*
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* @param path path to the file.
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* @param buffer address where the buffer address will be stored
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* @param size address where the size will be stored
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* @return WUHB_UTILS_RESULT_SUCCESS file read has been done. The new buffer been written to *outBuf.
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* The size of the buffer will be written to *outSize.
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* The buffer returned in *outBuf has be cleaned up via "free()"
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* WUHB_UTILS_RESULT_LIB_UNINITIALIZED: "WUHBUtils_Init()" was not called before.
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* WUHB_UTILS_API_ERROR_INVALID_ARG: "outBuf" or "outSize" is NULL.
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* WUHB_UTILS_RESULT_NO_MEMORY: Not enough memory.
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* WUHB_UTILS_RESULT_UNKNOWN_ERROR: Unknown error.
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*/
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WUHBUtilsStatus WUHBUtils_ReadWholeFile(const char *path, uint8_t **outBuf, uint32_t *outSize);
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/**
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* Gets the offset and size of the /code/ *.rpx inside a WUHB.
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*
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* @param bundle_path path to the bundle file (path may depend on the BundleSource)
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* @param source type of source. See BundleSource for more information.
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* @param outFileInfo on success the result file info will be stored he
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* @return WUHB_UTILS_RESULT_SUCCESS GetRPXInfo check has been done successfully.
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* The result of the check has been written to outFileInfo.
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* WUHB_UTILS_RESULT_LIB_UNINITIALIZED: "WUHBUtils_Init()" was not called before.
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* WUHB_UTILS_API_ERROR_INVALID_ARG: "bundle_path" or "outFileInfo" is NULL.
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* WUHB_UTILS_RESULT_MOUNT_FAILED: failed to mount bundle.
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* WUHB_UTILS_RESULT_FILE_NOT_FOUND: No .rpx inside [bundle]/code/ found.
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* WUHB_UTILS_RESULT_UNKNOWN_ERROR: Unknown error.
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*/
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WUHBUtilsStatus WUHBUtils_GetRPXInfo(const char *bundle_path, BundleSource source, WUHBRPXInfo *outFileInfo);
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#ifdef __cplusplus
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} // extern "C"
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#endif |