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schmidt-sebastian · schmidt-sebastian · commit b0618f2945ba · 2021-01-20T09:09:16.000-07:00
diff --git a/firebase-firestore/src/main/java/com/google/firebase/firestore/util/ByteBufferInputStream.java b/firebase-firestore/src/main/java/com/google/firebase/firestore/util/ByteBufferInputStream.java
@@ -31,6 +31,9 @@ public int read() {
     if (!buffer.hasRemaining()) {
       return -1;
     }
+    // `& 0xFF` converts the signed byte value to an integer and then strips the first 3 bytes.
+    // This keeps the last eight bits of the value and thereby translates the original byte value to
+    // the [0, 255] range.
     return buffer.get() & 0xFF;
   }
 

Original file line number	Diff line number	Diff line change
`@@ -31,6 +31,9 @@ public int read() {`
`31`	`31`	`if (!buffer.hasRemaining()) {`
`32`	`32`	`return -1;`
`33`	`33`	`}`
	`34`	+ // `& 0xFF` converts the signed byte value to an integer and then strips the first 3 bytes.
	`35`	`+ // This keeps the last eight bits of the value and thereby translates the original byte value to`
	`36`	`+ // the [0, 255] range.`
`34`	`37`	`return buffer.get() & 0xFF;`
`35`	`38`	`}`
`36`	`39`