commit 55df06be4369f5d8ab5eb61a5d22809255171036
author Shih-wei Liao <sliao@google.com> Fri Aug 26 14:39:27 2011 -0700
committer Shih-wei Liao <sliao@google.com> Fri Aug 26 16:45:52 2011 -0700
tree 32515b13b01ac3d359a6c171377f5c95599049bb
parent e27955ca3ca960928d4dbd6cb79711fce06950b3

Stack Trace Element with its unit test added too.

The unit test passes.

Change-Id: I6f6af771cae1387c60c3b511148a347fe3237345

src/dex_file.cc

diff --git a/src/dex_file.cc b/src/dex_file.cc
index 3489086..01eb099 100644
--- a/src/dex_file.cc
+++ b/src/dex_file.cc
@@ -532,7 +532,10 @@
   return static_cast<ValueType>(type);
 }
 
-String* DexFile::dexArtStringById(uint32_t idx) const {
+String* DexFile::dexArtStringById(int32_t idx) const {
+  if (idx == -1) {
+    return NULL;
+  }
   return String::AllocFromModifiedUtf8(dexStringById(idx));
 }