[svn-r28992] HDFFV-9639: double-free fix.

MANIFEST

@@ -1245,6 +1245,7 @@
 ./tools/testfiles/filter_fail.h5
 ./tools/testfiles/filter_fail.ddl
 ./tools/testfiles/h5dump-help.txt
+./tools/testfiles/non_existing.ddl
 ./tools/testfiles/packedbits.ddl
 ./tools/testfiles/taindices.h5
 ./tools/testfiles/tall-1.ddl
@@ -1501,6 +1502,7 @@
 
 # h5dump test error files
 ./tools/h5dump/errfiles/filter_fail.err
+./tools/h5dump/errfiles/non_existing.err
 ./tools/h5dump/errfiles/tall-1.err
 ./tools/h5dump/errfiles/tall-2A.err
 ./tools/h5dump/errfiles/tall-2A0.err

tools/h5dump/CMakeTests.cmake

@@ -11,6 +11,7 @@
   set (HDF5_REFERENCE_FILES
       ${HDF5_TOOLS_SRC_DIR}/testfiles/charsets.ddl
       ${HDF5_TOOLS_SRC_DIR}/testfiles/filter_fail.ddl
+      ${HDF5_TOOLS_SRC_DIR}/testfiles/non_existing.ddl
       ${HDF5_TOOLS_SRC_DIR}/testfiles/packedbits.ddl
       ${HDF5_TOOLS_SRC_DIR}/testfiles/tall-1.ddl
       ${HDF5_TOOLS_SRC_DIR}/testfiles/tall-2.ddl
@@ -282,6 +283,7 @@
   )
   set (HDF5_ERROR_REFERENCE_TEST_FILES
       ${PROJECT_SOURCE_DIR}/errfiles/filter_fail.err
+      ${PROJECT_SOURCE_DIR}/errfiles/non_existing.err
       ${PROJECT_SOURCE_DIR}/errfiles/tall-1.err
       ${PROJECT_SOURCE_DIR}/errfiles/tall-2A.err
       ${PROJECT_SOURCE_DIR}/errfiles/tall-2A0.err
@@ -734,6 +736,8 @@
           charsets.out.err
           filter_fail.out
           filter_fail.out.err
+          non_existing.out
+          non_existing.out.err
           packedbits.out
           packedbits.out.err
           tall-1.out
@@ -1425,3 +1429,6 @@
 
   # test for -o -y for dataset with attributes
   ADD_H5_TEST_EXPORT (tall-6 tall.h5 0 --enable-error-stack -d /g1/g1.1/dset1.1.1 -y -o)
+
+  # test for non-existing file
+  ADD_H5_TEST (non_existing 1 --enable-error-stack tgroup.h5 non_existing.h5)

tools/h5dump/h5dump.c

@@ -1581,10 +1581,14 @@ main(int argc, const char *argv[])
             if (H5Fclose(fid) < 0)
                 h5tools_setstatus(EXIT_FAILURE);
 
-        if(prefix)
+        if(prefix) {
             HDfree(prefix);
-        if(fname)
+            prefix = NULL;
+        }
+        if(fname) {
             HDfree(fname);
+            fname = NULL;
+        }
     } /* end while */
 
     if(hand) 
@@ -1601,11 +1605,15 @@ done:
     if(fid >=0)
         if (H5Fclose(fid) < 0)
             h5tools_setstatus(EXIT_FAILURE);
-    
-    if(prefix)
+
+    if(prefix) {
         HDfree(prefix);
-    if(fname)
+        prefix = NULL;
+    }
+    if(fname) {
         HDfree(fname);
+        fname = NULL;
+    }
 
     if(hand) 
         free_handler(hand, argc);

tools/h5dump/testh5dump.sh.in

@@ -174,6 +174,7 @@ $SRC_H5DUMP_TESTFILES/tvms.h5
 LIST_OTHER_TEST_FILES="
 $SRC_H5DUMP_TESTFILES/charsets.ddl
 $SRC_H5DUMP_TESTFILES/filter_fail.ddl
+$SRC_H5DUMP_TESTFILES/non_existing.ddl
 $SRC_H5DUMP_TESTFILES/packedbits.ddl
 $SRC_H5DUMP_TESTFILES/tall-1.ddl
 $SRC_H5DUMP_TESTFILES/tall-2.ddl
@@ -345,6 +346,7 @@ $SRC_H5DUMP_TESTFILES/tbinregR.exp
 
 LIST_ERROR_TEST_FILES="
 ${SRC_H5DUMP_ERRORFILES}/filter_fail.err
+${SRC_H5DUMP_ERRORFILES}/non_existing.err
 ${SRC_H5DUMP_ERRORFILES}/tall-1.err
 ${SRC_H5DUMP_ERRORFILES}/tall-2A.err
 ${SRC_H5DUMP_ERRORFILES}/tall-2A0.err
@@ -1303,6 +1305,9 @@ TOOLTEST5 filter_fail.ddl --enable-error-stack filter_fail.h5
 # test for -o -y for dataset with attributes
 TOOLTEST2 tall-6.exp --enable-error-stack -y -o tall-6.txt -d /g1/g1.1/dset1.1.1 tall.h5
 
+# test for non-existing file
+TOOLTEST3 non_existing.ddl --enable-error-stack tgroup.h5 non_existing.h5
+
 # Clean up temporary files/directories
 CLEAN_TESTFILES_AND_TESTDIR