mirror of
https://github.com/wiiu-env/libmocha.git
synced 2024-11-08 21:15:06 +01:00
170 lines
4.9 KiB
C++
170 lines
4.9 KiB
C++
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#include "devoptab_fs.h"
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char *
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__fsa_fixpath(struct _reent *r,
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const char *path) {
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char *p;
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char *fixedPath;
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if (!path) {
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r->_errno = EINVAL;
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return nullptr;
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}
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p = strchr(path, ':') + 1;
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if (!strchr(path, ':')) {
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p = (char *) path;
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}
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if (strlen(p) > FS_MAX_PATH) {
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r->_errno = ENAMETOOLONG;
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return nullptr;
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}
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fixedPath = (char *) memalign(0x40, FS_MAX_PATH + 1);
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if (!fixedPath) {
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r->_errno = ENOMEM;
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return nullptr;
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}
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if (p[0] == '/') {
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auto *deviceData = (FSADeviceData *) r->deviceData;
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strcpy(fixedPath, deviceData->mount_path);
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strcat(fixedPath, p);
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} else {
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strcpy(fixedPath, p);
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}
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return fixedPath;
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}
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mode_t __fsa_translate_stat_mode(FSStat *fileStat) {
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mode_t retMode = 0;
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if ((fileStat->flags & FS_STAT_LINK) == FS_STAT_LINK) {
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retMode |= S_IFLNK;
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} else if ((fileStat->flags & FS_STAT_DIRECTORY) == FS_STAT_DIRECTORY) {
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retMode |= S_IFDIR;
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} else if ((fileStat->flags & FS_STAT_FILE) == FS_STAT_FILE) {
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retMode |= S_IFREG;
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} else if (fileStat->size > 0) {
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// Some regular Wii U files have no type info but will have a size
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retMode |= S_IFREG;
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}
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// Convert normal CafeOS hexadecimal permission bits into Unix octal permission bits
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mode_t permissionMode = (((fileStat->mode >> 2) & S_IRWXU) | ((fileStat->mode >> 1) & S_IRWXG) | (fileStat->mode & S_IRWXO));
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return retMode | permissionMode;
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}
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// The Wii U FSTime epoch is at 1980, so we must map it to 1970 for gettime
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#define WIIU_FSTIME_EPOCH_YEAR (1980)
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#define EPOCH_YEAR (1970)
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#define EPOCH_YEARS_SINCE_LEAP 2
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#define EPOCH_YEARS_SINCE_CENTURY 70
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#define EPOCH_YEARS_SINCE_LEAP_CENTURY 370
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#define EPOCH_DIFF_YEARS(year) (year - EPOCH_YEAR)
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#define EPOCH_DIFF_DAYS(year) \
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((EPOCH_DIFF_YEARS(year) * 365) + \
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(EPOCH_DIFF_YEARS(year) - 1 + EPOCH_YEARS_SINCE_LEAP) / 4 - \
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(EPOCH_DIFF_YEARS(year) - 1 + EPOCH_YEARS_SINCE_CENTURY) / 100 + \
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(EPOCH_DIFF_YEARS(year) - 1 + EPOCH_YEARS_SINCE_LEAP_CENTURY) / 400)
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#define EPOCH_DIFF_SECS(year) (60ull * 60ull * 24ull * (uint64_t) EPOCH_DIFF_DAYS(year))
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time_t __fsa_translate_time(FSTime timeValue) {
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return (timeValue / 1000000) + EPOCH_DIFF_SECS(WIIU_FSTIME_EPOCH_YEAR);
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}
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FSMode
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__fsa_translate_permission_mode(int mode) {
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// Convert normal Unix octal permission bits into CafeOS hexadecimal permission bits
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return (FSMode) (((mode & S_IRWXU) << 2) | ((mode & S_IRWXG) << 1) | (mode & S_IRWXO));
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}
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int __fsa_translate_error(FSError error) {
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switch (error) {
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case FS_ERROR_END_OF_DIR:
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case FS_ERROR_END_OF_FILE:
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return ENOENT;
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case FS_ERROR_ALREADY_EXISTS:
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return EEXIST;
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case FS_ERROR_MEDIA_ERROR:
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return EIO;
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case FS_ERROR_NOT_FOUND:
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return ENOENT;
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case FS_ERROR_PERMISSION_ERROR:
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return EPERM;
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case FS_ERROR_STORAGE_FULL:
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return ENOSPC;
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case FS_ERROR_BUSY:
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return EBUSY;
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case FS_ERROR_CANCELLED:
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return ECANCELED;
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case FS_ERROR_FILE_TOO_BIG:
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return EFBIG;
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case FS_ERROR_INVALID_PATH:
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return ENAMETOOLONG;
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case FS_ERROR_NOT_DIR:
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return ENOTDIR;
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case FS_ERROR_NOT_FILE:
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return EISDIR;
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case FS_ERROR_OUT_OF_RANGE:
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return ESPIPE;
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case FS_ERROR_UNSUPPORTED_COMMAND:
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return ENOTSUP;
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case FS_ERROR_WRITE_PROTECTED:
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return EROFS;
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case FS_ERROR_NOT_INIT:
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return ENODEV;
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// TODO
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case FS_ERROR_MAX_MOUNT_POINTS:
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break;
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case FS_ERROR_MAX_VOLUMES:
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break;
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case FS_ERROR_MAX_CLIENTS:
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break;
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case FS_ERROR_MAX_FILES:
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break;
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case FS_ERROR_MAX_DIRS:
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break;
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case FS_ERROR_ALREADY_OPEN:
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break;
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case FS_ERROR_NOT_EMPTY:
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break;
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case FS_ERROR_ACCESS_ERROR:
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break;
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case FS_ERROR_DATA_CORRUPTED:
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break;
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case FS_ERROR_JOURNAL_FULL:
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break;
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case FS_ERROR_UNAVAILABLE_COMMAND:
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break;
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case FS_ERROR_INVALID_PARAM:
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break;
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case FS_ERROR_INVALID_BUFFER:
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break;
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case FS_ERROR_INVALID_ALIGNMENT:
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break;
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case FS_ERROR_INVALID_CLIENTHANDLE:
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break;
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case FS_ERROR_INVALID_FILEHANDLE:
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break;
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case FS_ERROR_INVALID_DIRHANDLE:
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break;
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case FS_ERROR_OUT_OF_RESOURCES:
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break;
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case FS_ERROR_MEDIA_NOT_READY:
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break;
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case FS_ERROR_INVALID_MEDIA:
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break;
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default:
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break;
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}
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return (int) EIO;
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}
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