231         int r, size; /* LZ4 uses int for size */  in decompress_blob_lz4()  local
241         size = unaligned_read_le64(src);  in decompress_blob_lz4()
242         if (size < 0 || (unsigned) size != unaligned_read_le64(src))  in decompress_blob_lz4()
244         out = greedy_realloc(dst, size, 1);  in decompress_blob_lz4()
248         r = LZ4_decompress_safe((char*)src + 8, out, src_size - 8, size);  in decompress_blob_lz4()
249         if (r < 0 || r != size)  in decompress_blob_lz4()
252         *dst_size = size;  in decompress_blob_lz4()
267         uint64_t size;  in decompress_blob_zstd()  local
274         size = ZSTD_getFrameContentSize(src, src_size);  in decompress_blob_zstd()
275         if (IN_SET(size, ZSTD_CONTENTSIZE_ERROR, ZSTD_CONTENTSIZE_UNKNOWN))  in decompress_blob_zstd()
278         if (dst_max > 0 && size > dst_max)  in decompress_blob_zstd()
279                 size = dst_max;  in decompress_blob_zstd()
280         if (size > SIZE_MAX)  in decompress_blob_zstd()
283         if (!(greedy_realloc(dst, MAX(ZSTD_DStreamOutSize(), size), 1)))  in decompress_blob_zstd()
292                 .size = src_size,  in decompress_blob_zstd()
296                 .size = MALLOC_SIZEOF_SAFE(*dst),  in decompress_blob_zstd()
304         assert(output.pos >= size);  in decompress_blob_zstd()
306         *dst_size = size;  in decompress_blob_zstd()
439                 size_t size;  in decompress_startswith_lz4()  local
454                 r = decompress_blob_lz4(src, src_size, buffer, &size, 0);  in decompress_startswith_lz4()
458                 if (size < prefix_len + 1)  in decompress_startswith_lz4()
482         uint64_t size = ZSTD_getFrameContentSize(src, src_size);  in decompress_startswith_zstd()  local
483         if (IN_SET(size, ZSTD_CONTENTSIZE_ERROR, ZSTD_CONTENTSIZE_UNKNOWN))  in decompress_startswith_zstd()
486         if (size < prefix_len + 1)  in decompress_startswith_zstd()
498                 .size = src_size,  in decompress_startswith_zstd()
502                 .size = MALLOC_SIZEOF_SAFE(*buffer),  in decompress_startswith_zstd()
887                         .size = 0,  in compress_stream_zstd()
898                 input.size = (size_t) red;  in compress_stream_zstd()
903                                 .size = out_allocsize,  in compress_stream_zstd()
936                         finished = is_last_chunk ? (remaining == 0) : (input.pos == input.size);  in compress_stream_zstd()
940                 assert(input.pos == input.size);  in compress_stream_zstd()
991                         .size = 0,  in decompress_stream_zstd()
1003                 input.size = (size_t) red;  in decompress_stream_zstd()
1011                 while (input.pos < input.size) {  in decompress_stream_zstd()
1014                                 .size = out_allocsize,  in decompress_stream_zstd()