static int decompress(char *inbuf, char *outbuf, u64 compress_len,
u64 *decompress_len, int compress)
{
switch (compress) {
case BTRFS_COMPRESS_ZLIB:
return decompress_zlib(inbuf, outbuf, compress_len,
*decompress_len);
case BTRFS_COMPRESS_LZO:
return decompress_lzo((unsigned char *)inbuf, outbuf, compress_len,
decompress_len);
default:
break;
}
fprintf(stderr, "invalid compression type: %d\n", compress);
return -1;
}
static int decompress(struct btrfs_root *root, char *inbuf, char *outbuf,
u64 compress_len, u64 *decompress_len, int compress)
{
switch (compress) {
case BTRFS_COMPRESS_ZLIB:
return decompress_zlib(inbuf, outbuf, compress_len,
*decompress_len);
case BTRFS_COMPRESS_LZO:
return decompress_lzo(root, (unsigned char *)inbuf, outbuf,
compress_len, decompress_len);
default:
break;
}
error("invalid compression type: %d", compress);
return -1;
}
/* This function is very hot. It's called on every file when zip is enabled. */
void* decompress(const ag_compression_type zip_type, const void* buf, const int buf_len,
const char* dir_full_path, int* new_buf_len) {
switch(zip_type) {
case AG_GZIP:
return decompress_zlib(buf, buf_len, dir_full_path, new_buf_len);
case AG_COMPRESS:
return decompress_lwz(buf, buf_len, dir_full_path, new_buf_len);
case AG_ZIP:
return decompress_zip(buf, buf_len, dir_full_path, new_buf_len);
case AG_NO_COMPRESSION:
log_err("File %s is not compressed", dir_full_path);
break;
default:
log_err("Unsupported compression type: %d", zip_type);
}
*new_buf_len = 0;
return NULL;
}