diff options
Diffstat (limited to 'cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c')
| -rw-r--r-- | cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c index 6d9b68ffde49..f387d65db112 100644 --- a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c +++ b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c @@ -1778,22 +1778,21 @@ getprop_uint64(zfs_handle_t *zhp, zfs_prop_t prop, char **source) return (value); } -static char * +static const char * getprop_string(zfs_handle_t *zhp, zfs_prop_t prop, char **source) { nvlist_t *nv; - char *value; + const char *value; *source = NULL; if (nvlist_lookup_nvlist(zhp->zfs_props, zfs_prop_to_name(prop), &nv) == 0) { - verify(nvlist_lookup_string(nv, ZPROP_VALUE, &value) == 0); + value = fnvlist_lookup_string(nv, ZPROP_VALUE); (void) nvlist_lookup_string(nv, ZPROP_SOURCE, source); } else { verify(!zhp->zfs_props_table || zhp->zfs_props_table[prop] == B_TRUE); - if ((value = (char *)zfs_prop_default_string(prop)) == NULL) - value = ""; + value = zfs_prop_default_string(prop); *source = ""; } @@ -2195,7 +2194,7 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen, { char *source = NULL; uint64_t val; - char *str; + const char *str; const char *strval; boolean_t received = zfs_is_recvd_props_mode(zhp); @@ -2300,14 +2299,10 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen, break; case ZFS_PROP_ORIGIN: - (void) strlcpy(propbuf, getprop_string(zhp, prop, &source), - proplen); - /* - * If there is no parent at all, return failure to indicate that - * it doesn't apply to this dataset. - */ - if (propbuf[0] == '\0') + str = getprop_string(zhp, prop, &source); + if (str == NULL) return (-1); + (void) strlcpy(propbuf, str, proplen); break; case ZFS_PROP_CLONES: @@ -2488,8 +2483,10 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen, break; case PROP_TYPE_STRING: - (void) strlcpy(propbuf, - getprop_string(zhp, prop, &source), proplen); + str = getprop_string(zhp, prop, &source); + if (str == NULL) + return (-1); + (void) strlcpy(propbuf, str, proplen); break; case PROP_TYPE_INDEX: |