[#4051]fix buffer reader not correct when length is 0 (#4099)

apache · Dec 6, 2023 · 549024f · 549024f
1 parent 3ccd557
commit 549024f
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/...vertx/src/main/java/org/apache/servicecomb/foundation/vertx/stream/BufferInputStream.java b/...vertx/src/main/java/org/apache/servicecomb/foundation/vertx/stream/BufferInputStream.java
@@ -83,12 +83,16 @@ public int read(byte[] b) {
   @Override
   public int read(byte[] b, int off, int len) {
     int avail = available();
-    if (len > avail) {
-      len = avail;
+    if (avail <= 0) {
+      return -1;
     }
 
     if (len == 0) {
-      return -1;
+      return 0;
+    }
+
+    if (len > avail) {
+      len = avail;
     }
 
     byteBuf.readBytes(b, off, len);