X-Git-Url: https://git.donarmstrong.com/?p=bamtools.git;a=blobdiff_plain;f=src%2Fapi%2FBamAlignment.cpp;h=c95e896c7333d527d726c953a7fcd660f7f42ffc;hp=013937a99e7bd96fb44e1249d7c7fe4d2a1966ff;hb=c3a7c31347d42a926214e2508d713975d124e8c6;hpb=f82b860f94f9bf107c21acacf9df5aab6cf8c3e7

diff --git a/src/api/BamAlignment.cpp b/src/api/BamAlignment.cpp
index 013937a..c95e896 100644
--- a/src/api/BamAlignment.cpp
+++ b/src/api/BamAlignment.cpp
@@ -365,9 +365,18 @@ bool BamAlignment::FindTag(const std::string& tag,
             return true;
 
         // get the storage class and find the next tag
-        if ( *pTagStorageType == '\0' ) return false;
-        if ( !SkipToNextTag(*pTagStorageType, pTagData, numBytesParsed) ) return false;
-        if ( *pTagData == '\0' ) return false;
+        if ( *pTagStorageType == '\0' ) {
+            ErrorString = "unexpected null found - 1";
+            return false;
+        }
+        if ( !SkipToNextTag(*pTagStorageType, pTagData, numBytesParsed) ) {
+            ErrorString = "could not skip to next tag";
+            return false;
+        }
+        if ( *pTagData == '\0' ) {
+            ErrorString = "unexpected null found - 2";
+            return false;
+        }
     }
 
     // checked all tags, none match