Remove is_error invokation on function return with valid negative values

airlift · Sep 25, 2024 · 852deaa · 852deaa
1 parent befc81b
commit 852deaa
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/main/java/io/airlift/compress/v3/zstd/ZstdNative.java b/src/main/java/io/airlift/compress/v3/zstd/ZstdNative.java
@@ -53,6 +53,8 @@ private ZstdNative() {}
     // TODO should we just hardcode this to 3?
     public static final int DEFAULT_COMPRESSION_LEVEL;
 
+    private static final long ZSTD_CONTENTSIZE_UNKNOWN;
+
     static {
         NativeLoader.Symbols<MethodHandles> symbols = NativeLoader.loadSymbols("zstd", MethodHandles.class, lookup());
         LINKAGE_ERROR = symbols.linkageError();
@@ -74,6 +76,7 @@ private ZstdNative() {}
         else {
             DEFAULT_COMPRESSION_LEVEL = -1;
         }
+        ZSTD_CONTENTSIZE_UNKNOWN = -1L;
     }
 
     public static boolean isEnabled()
@@ -154,7 +157,7 @@ public static long decompressedLength(MemorySegment compressed, long compressedL
             throw new Error("Unexpected exception", e);
         }
 
-        if (isError(result)) {
+        if (ZSTD_CONTENTSIZE_UNKNOWN != result && result < 0) {
             throw new IllegalArgumentException("Unknown error occurred during decompression: " + getErrorName(result));
         }
         return result;