Exemple #1
0
static int
fs_sis_open(struct fs *_fs, const char *path, enum fs_open_mode mode,
	    enum fs_open_flags flags, struct fs_file **file_r)
{
	struct sis_fs *fs = (struct sis_fs *)_fs;
	struct sis_fs_file *file;
	struct fs_file *super;
	const char *dir, *hash;

	if (mode == FS_OPEN_MODE_APPEND) {
		fs_set_error(_fs, "APPEND mode not supported");
		return -1;
	}

	if (fs_open(fs->super, path, mode | flags, &super) < 0) {
		fs_sis_copy_error(fs);
		return -1;
	}

	switch (mode) {
	case FS_OPEN_MODE_RDONLY:
		*file_r = super;
		return 0;
	case FS_OPEN_MODE_CREATE:
	case FS_OPEN_MODE_REPLACE:
		break;
	case FS_OPEN_MODE_APPEND:
		i_unreached();
	}

	if (fs_sis_path_parse(_fs, path, &dir, &hash) < 0)
		return -1;

	file = i_new(struct sis_fs_file, 1);
	file->file.fs = _fs;
	file->file.path = i_strdup(fs_file_path(super));
	file->super = super;
	file->open_mode = mode;
	file->hash = i_strdup(hash);

	/* if hashes/<hash> already exists, open it */
	file->hash_path = i_strdup_printf("%s/"HASH_DIR_NAME"/%s", dir, hash);
	if (fs_open(fs->super, file->hash_path, FS_OPEN_MODE_RDONLY,
		    &file->hash_file) < 0 && errno != ENOENT) {
		i_error("fs-sis: Couldn't open hash file: %s",
			fs_last_error(fs->super));
	}
	if (file->hash_file != NULL) {
		file->hash_input =
			fs_read_stream(file->hash_file, IO_BLOCK_SIZE);
	}

	*file_r = &file->file;
	return 0;
}
Exemple #2
0
static void fs_sis_file_copy_error(struct sis_fs_file *file)
{
	struct sis_fs *fs = (struct sis_fs *)file->file.fs;

	fs_sis_copy_error(fs);
}