mirror of
https://github.com/libretro/RetroArch
synced 2025-04-02 16:20:39 +00:00
(VFS implementation) Small cleanups
This commit is contained in:
twinaphex
parent
fb653d22dc
commit
d41827ec7e
@ -213,7 +213,7 @@ struct libretro_vfs_implementation_file
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int64_t retro_vfs_file_seek_internal(libretro_vfs_implementation_file *stream, int64_t offset, int whence)
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{
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if (!stream)
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goto error;
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return -1;
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if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
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{
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@ -226,7 +226,7 @@ int64_t retro_vfs_file_seek_internal(libretro_vfs_implementation_file *stream, i
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int64_t ret = fileXioLseek(fileno(stream->fp), (off_t)offset, whence);
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/* fileXioLseek could return positive numbers */
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if (ret > 0)
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ret = 0;
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return 0;
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return ret;
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#elif defined(ORBIS)
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int ret = orbisLseek(stream->fd, offset, whence);
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@ -250,7 +250,7 @@ int64_t retro_vfs_file_seek_internal(libretro_vfs_implementation_file *stream, i
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{
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case SEEK_SET:
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if (offset < 0)
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goto error;
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return -1;
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stream->mappos = offset;
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break;
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@ -258,14 +258,14 @@ int64_t retro_vfs_file_seek_internal(libretro_vfs_implementation_file *stream, i
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case SEEK_CUR:
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if ( (offset < 0 && stream->mappos + offset > stream->mappos) ||
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(offset > 0 && stream->mappos + offset < stream->mappos))
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goto error;
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return -1;
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stream->mappos += offset;
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break;
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case SEEK_END:
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if (stream->mapsize + offset < stream->mapsize)
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goto error;
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return -1;
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stream->mappos = stream->mapsize + offset;
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break;
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@ -275,12 +275,9 @@ int64_t retro_vfs_file_seek_internal(libretro_vfs_implementation_file *stream, i
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#endif
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if (lseek(stream->fd, offset, whence) < 0)
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goto error;
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return -1;
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return 0;
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error:
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return -1;
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}
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/**
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@ -293,20 +290,25 @@ error:
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* Returns a pointer to an RFILE if opened successfully, otherwise NULL.
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**/
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libretro_vfs_implementation_file *retro_vfs_file_open_impl(const char *path, unsigned mode, unsigned hints)
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libretro_vfs_implementation_file *retro_vfs_file_open_impl(
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const char *path, unsigned mode, unsigned hints)
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{
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int flags = 0;
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const char *mode_str = NULL;
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libretro_vfs_implementation_file *stream = (libretro_vfs_implementation_file*)calloc(1, sizeof(*stream));
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libretro_vfs_implementation_file *stream = (libretro_vfs_implementation_file*)
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calloc(1, sizeof(*stream));
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#ifdef VFS_FRONTEND
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const char *dumb_prefix = "vfsonly://";
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int dumb_prefix_len = (int)strlen(dumb_prefix);
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size_t dumb_prefix_siz = strlen(dumb_prefix);
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int dumb_prefix_len = (int)dumb_prefix_siz;
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int path_len = (int)strlen(path);
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if (path_len >= dumb_prefix_len)
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{
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if (!memcmp(path, dumb_prefix, dumb_prefix_len))
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path += strlen(dumb_prefix);
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path += dumb_prefix_siz;
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}
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#endif
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if (!stream)
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@ -524,9 +526,9 @@ int retro_vfs_file_error_impl(libretro_vfs_implementation_file *stream)
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int64_t retro_vfs_file_size_impl(libretro_vfs_implementation_file *stream)
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{
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if (!stream)
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return 0;
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if (stream)
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return stream->size;
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return 0;
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}
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int64_t retro_vfs_file_truncate_impl(libretro_vfs_implementation_file *stream, int64_t length)
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@ -602,13 +604,12 @@ int64_t retro_vfs_file_read_impl(libretro_vfs_implementation_file *stream,
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void *s, uint64_t len)
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{
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if (!stream || !s)
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goto error;
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return -1;
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if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
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{
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#ifdef ORBIS
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int64_t ret = orbisRead(stream->fd, s, (size_t)len);
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if( ret < 0)
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if (orbisRead(stream->fd, s, (size_t)len) < 0)
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return -1;
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return 0;
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#else
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@ -619,7 +620,7 @@ int64_t retro_vfs_file_read_impl(libretro_vfs_implementation_file *stream,
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if (stream->hints & RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS)
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{
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if (stream->mappos > stream->mapsize)
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goto error;
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return -1;
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if (stream->mappos + len > stream->mapsize)
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len = stream->mapsize - stream->mappos;
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@ -632,35 +633,29 @@ int64_t retro_vfs_file_read_impl(libretro_vfs_implementation_file *stream,
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#endif
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return read(stream->fd, s, (size_t)len);
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error:
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return -1;
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}
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int64_t retro_vfs_file_write_impl(libretro_vfs_implementation_file *stream, const void *s, uint64_t len)
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{
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if (!stream)
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goto error;
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return -1;
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if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
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{
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#ifdef ORBIS
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int64_t ret = orbisWrite(stream->fd, s, (size_t)len);
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if( ret < 0)
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if (orbisWrite(stream->fd, s, (size_t)len) < 0)
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return -1;
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return 0;
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#else
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return fwrite(s, 1, (size_t)len, stream->fp);
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#endif
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}
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#ifdef HAVE_MMAP
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if (stream->hints & RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS)
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goto error;
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return -1;
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#endif
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return write(stream->fd, s, (size_t)len);
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error:
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return -1;
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}
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int retro_vfs_file_flush_impl(libretro_vfs_implementation_file *stream)
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@ -676,15 +671,17 @@ int retro_vfs_file_flush_impl(libretro_vfs_implementation_file *stream)
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int retro_vfs_file_remove_impl(const char *path)
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{
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#if defined(_WIN32) && !defined(_XBOX)
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#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0500
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char *path_local = NULL;
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#else
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wchar_t *path_wide = NULL;
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#endif
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#endif
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if (!path || !*path)
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return -1;
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(void)path_local;
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(void)path_wide;
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#if defined(_WIN32) && !defined(_XBOX)
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#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0500
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path_local = utf8_to_local_string_alloc(path);
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@ -723,60 +720,53 @@ int retro_vfs_file_remove_impl(const char *path)
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int retro_vfs_file_rename_impl(const char *old_path, const char *new_path)
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{
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int ret = -1;
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#if defined(_WIN32) && !defined(_XBOX)
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#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0500
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char *old_path_local = NULL;
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char *new_path_local = NULL;
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#else
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wchar_t *old_path_wide = NULL;
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wchar_t *new_path_wide = NULL;
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#endif
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#endif
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if (!old_path || !*old_path || !new_path || !*new_path)
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return -1;
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(void)old_path_local;
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(void)new_path_local;
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(void)old_path_wide;
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(void)new_path_wide;
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#if defined(_WIN32) && !defined(_XBOX)
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#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0500
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old_path_local = utf8_to_local_string_alloc(old_path);
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new_path_local = utf8_to_local_string_alloc(new_path);
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if (old_path_local)
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{
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char *new_path_local = utf8_to_local_string_alloc(new_path);
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if (new_path_local)
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{
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int ret = rename(old_path_local, new_path_local);
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free(old_path_local);
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if (rename(old_path_local, new_path_local) == 0)
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ret = 0;
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free(new_path_local);
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return ret==0 ? 0 : -1;
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}
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free(old_path_local);
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}
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if (new_path_local)
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free(new_path_local);
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#else
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old_path_wide = utf8_to_utf16_string_alloc(old_path);
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new_path_wide = utf8_to_utf16_string_alloc(new_path);
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if (old_path_wide)
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{
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wchar_t *new_path_wide = utf8_to_utf16_string_alloc(new_path);
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if (new_path_wide)
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{
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int ret = _wrename(old_path_wide, new_path_wide);
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free(old_path_wide);
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if (_wrename(old_path_wide, new_path_wide) == 0)
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ret = 0;
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free(new_path_wide);
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return ret==0 ? 0 : -1;
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}
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free(old_path_wide);
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}
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if (new_path_wide)
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free(new_path_wide);
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#endif
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return -1;
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return ret;
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#else
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#ifdef ORBIS
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/* stub for now */
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@ -803,17 +793,16 @@ int retro_vfs_stat_impl(const char *path, int32_t *size)
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#endif
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#if defined(VITA) || defined(PSP)
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SceIoStat buf;
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int stat_ret;
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char *tmp = strdup(path);
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size_t len = strlen(tmp);
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if (tmp[len-1] == '/')
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tmp[len-1] = '\0';
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if (sceIoGetstat(tmp, &buf) < 0)
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{
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stat_ret = sceIoGetstat(tmp, &buf);
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free(tmp);
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if (stat_ret < 0)
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return 0;
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}
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free(tmp);
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#elif defined(PS2)
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iox_stat_t buf;
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char *tmp = strdup(path);
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@ -830,16 +819,15 @@ int retro_vfs_stat_impl(const char *path, int32_t *size)
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#elif defined(_WIN32)
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DWORD file_info;
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struct _stat buf;
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#if defined(LEGACY_WIN32)
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char *path_local = NULL;
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#else
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wchar_t *path_wide = NULL;
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#endif
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if (!path || !*path)
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return 0;
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(void)path_wide;
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(void)path_local;
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(void)file_info;
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#if defined(LEGACY_WIN32)
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path_local = utf8_to_local_string_alloc(path);
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file_info = GetFileAttributes(path_local);
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@ -995,10 +983,13 @@ static bool dirent_check_error(libretro_vfs_implementation_dir *rdir)
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libretro_vfs_implementation_dir *retro_vfs_opendir_impl(const char *name, bool include_hidden)
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{
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#if defined(_WIN32)
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char path_buf[1024];
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char *path_local = NULL;
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wchar_t *path_wide = NULL;
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unsigned path_len;
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char path_buf[1024];
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#if defined(LEGACY_WIN32)
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char *path_local = NULL;
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#else
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wchar_t *path_wide = NULL;
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#endif
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#endif
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libretro_vfs_implementation_dir *rdir;
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@ -1014,9 +1005,6 @@ libretro_vfs_implementation_dir *retro_vfs_opendir_impl(const char *name, bool i
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rdir->orig_path = strdup(name);
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#if defined(_WIN32)
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(void)path_wide;
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(void)path_local;
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path_buf[0] = '\0';
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path_len = strlen(name);
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