make new version of SZ compile with older zstd

1f799c26 · Hal Finkel · 03ba2823 · 1f799c26
Commit 1f799c26 authored Sep 28, 2018 by Hal Finkel
Hide whitespace changes
Inline Side-by-side

Showing with 6 additions and 0 deletions

thirdparty/SZ/sz/src/utility.c thirdparty/SZ/sz/src/utility.c +6 -0

No files found.
--- a/thirdparty/SZ/sz/src/utility.c
+++ b/thirdparty/SZ/sz/src/utility.c
@@ -155,9 +155,15 @@ float calculate_delta_t(size_t size){

 int is_lossless_compressed_data(unsigned char* compressedBytes, size_t cmpSize)
 {
+#if ZSTD_VERSION_NUMBER >= 10300
 	int frameContentSize = ZSTD_getFrameContentSize(compressedBytes, cmpSize);
 	if(frameContentSize != ZSTD_CONTENTSIZE_ERROR)
 		return ZSTD_COMPRESSOR;
+#else
+	int frameContentSize = ZSTD_getDecompressedSize(compressedBytes, cmpSize);
+	if(frameContentSize == 0)
+		return ZSTD_COMPRESSOR;
+#endif
 	
 	int flag = isZlibFormat(compressedBytes[0], compressedBytes[1]);
 	if(flag)