[svn-r23304] Purpose:

    HDFFV-7643 - h5diff - incorrect exit-code returns for extra attribute exist

Description:
   h5diff: Fixed to return correct exit code 1 when detect unique
   attribute. Prior to this fix, h5diff returned exit code 0 indicating 
   two files are identical.

Tested: 
    jam (linux32-LE), koala (linux64-LE), ostrich (linuxppc64-BE), fred (mac64-LE), emu (solaris-BE),  Windows (32-LE cmake), cmake (jam)

5 files changed, 16 insertions, 6 deletions

diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt
index 9dc895c..ab3dfb3 100644
--- a/release_docs/RELEASE.txt
+++ b/release_docs/RELEASE.txt
@@ -751,9 +751,12 @@ Bug Fixes since HDF5-1.8.0 release
 
     Tools
     -----
+        - h5diff: Fixed to return correct exit code 1 when detect unique extra
+          attribute. Prior to this fix, h5diff returned exit code 0 indicating 
+          two files are identical.   HDFFV-7643 (JKM 2013/02/15)
         - h5diff: Improved speed when comparing HDF5 files with lots of
-          attributes. Much slower performance was identified with release version 
-          from 1.8.7 to 1.8.10 compared to 1.8.6. (JKM 2012/10/19)
+          attributes. Much slower performance was identified with release 
+          version from 1.8.7 to 1.8.10 compared to 1.8.6. (JKM 2012/10/19)
         - h5repack: "h5repack -f NONE file1.h5 out.h5" command failed if
           source file contains chunked dataset and a chunk dim is bigger than 
           the dataset dim. Another issue is that the command changed max dims
diff --git a/tools/h5diff/CMakeLists.txt b/tools/h5diff/CMakeLists.txt
index a8fed57..8eb5ad1 100644
--- a/tools/h5diff/CMakeLists.txt
+++ b/tools/h5diff/CMakeLists.txt
@@ -1092,13 +1092,13 @@ ADD_H5_TEST (h5diff_704 1 -v2 ${ATTR_VERBOSE_LEVEL_FILE1} ${ATTR_VERBOSE_LEVEL_F
 ADD_H5_TEST (h5diff_705 1 -v2 ${ATTR_VERBOSE_LEVEL_FILE1} ${ATTR_VERBOSE_LEVEL_FILE2} /dset)
 
 # same attr number , all different attr name
-ADD_H5_TEST (h5diff_706 0 -v2 ${ATTR_VERBOSE_LEVEL_FILE1} ${ATTR_VERBOSE_LEVEL_FILE2} /ntype)
+ADD_H5_TEST (h5diff_706 1 -v2 ${ATTR_VERBOSE_LEVEL_FILE1} ${ATTR_VERBOSE_LEVEL_FILE2} /ntype)
 
 # different attr number , same attr name (intersected)
 ADD_H5_TEST (h5diff_707 1 -v2 ${ATTR_VERBOSE_LEVEL_FILE1} ${ATTR_VERBOSE_LEVEL_FILE2} /g2)
 
 # different attr number , all different attr name 
-ADD_H5_TEST (h5diff_708 0 -v2 ${ATTR_VERBOSE_LEVEL_FILE1} ${ATTR_VERBOSE_LEVEL_FILE2} /g3)
+ADD_H5_TEST (h5diff_708 1 -v2 ${ATTR_VERBOSE_LEVEL_FILE1} ${ATTR_VERBOSE_LEVEL_FILE2} /g3)
 
 # when no attributes exist in both objects
 ADD_H5_TEST (h5diff_709 0 -v2 ${ATTR_VERBOSE_LEVEL_FILE1} ${ATTR_VERBOSE_LEVEL_FILE2} /g4)
diff --git a/tools/h5diff/testfiles/h5diff_706.txt b/tools/h5diff/testfiles/h5diff_706.txt
index 38eeac5..5825150 100644
--- a/tools/h5diff/testfiles/h5diff_706.txt
+++ b/tools/h5diff/testfiles/h5diff_706.txt
@@ -10,4 +10,4 @@ datatype: </ntype> and </ntype>
     x           integer1       
            x    integer4       
 Attributes status:  0 common, 3 only in obj1, 3 only in obj2
-EXIT CODE: 0
+EXIT CODE: 1
diff --git a/tools/h5diff/testfiles/h5diff_708.txt b/tools/h5diff/testfiles/h5diff_708.txt
index add386b..a10a8b7 100644
--- a/tools/h5diff/testfiles/h5diff_708.txt
+++ b/tools/h5diff/testfiles/h5diff_708.txt
@@ -14,4 +14,4 @@ group  : </g3> and </g3>
     x           integer10      
            x    integer3       
 Attributes status:  0 common, 3 only in obj1, 2 only in obj2
-EXIT CODE: 0
+EXIT CODE: 1
diff --git a/tools/lib/h5diff_attr.c b/tools/lib/h5diff_attr.c
index 130a0d8..4899200 100644
--- a/tools/lib/h5diff_attr.c
+++ b/tools/lib/h5diff_attr.c
@@ -350,6 +350,13 @@ hsize_t diff_attr(hid_t loc1_id,
     if( build_match_list_attrs(loc1_id, loc2_id, &match_list_attrs, options) < 0)
         goto error;
 
+    /* if detect any unique extra attr */
+    if(match_list_attrs->nattrs_only1 || match_list_attrs->nattrs_only2)
+    {
+        /* exit will be 1 */
+        options->contents = 0;
+    }
+
     for(u = 0; u < (unsigned)match_list_attrs->nattrs; u++)
     {
         if( (match_list_attrs->attrs[u].exist[0]) && (match_list_attrs->attrs[u].exist[1]) )