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-rw-r--r--src/org/traccar/helper/BufferUtil.java9
1 files changed, 5 insertions, 4 deletions
diff --git a/src/org/traccar/helper/BufferUtil.java b/src/org/traccar/helper/BufferUtil.java
index 5606dba8a..15c619ec5 100644
--- a/src/org/traccar/helper/BufferUtil.java
+++ b/src/org/traccar/helper/BufferUtil.java
@@ -37,10 +37,11 @@ public final class BufferUtil {
}
public static int indexOf(String needle, ByteBuf haystack, int startIndex, int endIndex) {
- haystack = Unpooled.wrappedBuffer(haystack);
- haystack.readerIndex(startIndex);
- haystack.writerIndex(endIndex);
- return indexOf(needle, haystack);
+ ByteBuf wrappedHaystack = Unpooled.wrappedBuffer(haystack);
+ wrappedHaystack.readerIndex(startIndex - haystack.readerIndex());
+ wrappedHaystack.writerIndex(endIndex - haystack.readerIndex());
+ int result = indexOf(needle, wrappedHaystack);
+ return result < 0 ? result : haystack.readerIndex() + result;
}
}