[svn-r15489] Description:

    Bring rev. 15488 back from trunk:

    Fix bug where library could core dump when an invalid location ID was
passed to H5Giterate() (and add test for this case).

Tested on:
    Mac OS X/32 10.5.4 (amazon)
    Too minor to require h5committest

1 files changed, 1 insertions, 1 deletions

diff --git a/src/H5G.c b/src/H5G.c
index 9a40f22..8387c3f 100644
--- a/src/H5G.c
+++ b/src/H5G.c
@@ -1649,7 +1649,7 @@ H5G_iterate(hid_t loc_id, const char *group_name,
 {
     H5G_loc_t	loc;            /* Location of parent for group */
     hid_t gid = -1;             /* ID of group to iterate over */
-    H5G_t *grp;                 /* Pointer to group data structure to iterate over */
+    H5G_t *grp = NULL;          /* Pointer to group data structure to iterate over */
     H5G_iter_appcall_ud_t udata; /* User data for callback */
     herr_t ret_value;           /* Return value */