Implement attribute read/write. Added examples for this. Added

optional snapshot parameter to h5dsm_file_open.c.  Other minor
fixes/cleanup.

1 files changed, 11 insertions, 2 deletions

diff --git a/examples/h5dsm_file_open.c b/examples/h5dsm_file_open.c
index b3846d0..3a1d399 100644
--- a/examples/h5dsm_file_open.c
+++ b/examples/h5dsm_file_open.c
@@ -4,12 +4,13 @@ int main(int argc, char *argv[]) {
     uuid_t pool_uuid;
     char *pool_grp = NULL;
     hid_t file = -1, fapl = -1;
+    H5VL_daosm_snap_id_t snap_id;
 
     (void)MPI_Init(&argc, &argv);
     (void)daos_init();
 
-    if(argc != 3)
-        PRINTF_ERROR("argc != 3\n");
+    if(argc < 3 || argc > 4)
+        PRINTF_ERROR("argc must be 3 or 4\n");
 
     /* Parse UUID */
     if(0 != uuid_parse(argv[1], pool_uuid))
@@ -21,6 +22,14 @@ int main(int argc, char *argv[]) {
     if(H5Pset_fapl_daosm(fapl, MPI_COMM_WORLD, MPI_INFO_NULL, pool_uuid, pool_grp) < 0)
         ERROR;
 
+    /* Open snapshot if specified */
+    if(argc == 4) {
+        snap_id = (H5VL_daosm_snap_id_t)atoi(argv[3]);
+        printf("Opening snapshot %llu\n", (long long unsigned)snap_id);
+        if(H5Pset_daosm_snap_open(fapl, snap_id) < 0)
+            ERROR;
+    } /* end if */
+
     /* Open file */
     if((file = H5Fopen_ff(argv[2], H5F_ACC_RDONLY, fapl, NULL)) < 0)
         ERROR;