From 9c3fd1216fa7fb02cfbc78a2518a686d54b48ab8 Mon Sep 17 00:00:00 2001 From: Matthew Ahrens Date: Fri, 9 Oct 2015 21:56:01 -0700 Subject: 2605 want to resume interrupted zfs send Reviewed by: George Wilson Reviewed by: Paul Dagnelie Reviewed by: Richard Elling Reviewed by: Xin Li Reviewed by: Arne Jansen Approved by: Dan McDonald --- usr/src/lib/libzfs/common/libzfs_dataset.c | 27 ++++++++++++--------------- 1 file changed, 12 insertions(+), 15 deletions(-) (limited to 'usr/src/lib/libzfs/common/libzfs_dataset.c') diff --git a/usr/src/lib/libzfs/common/libzfs_dataset.c b/usr/src/lib/libzfs/common/libzfs_dataset.c index d2f613ca63..618aa913b8 100644 --- a/usr/src/lib/libzfs/common/libzfs_dataset.c +++ b/usr/src/lib/libzfs/common/libzfs_dataset.c @@ -1814,22 +1814,21 @@ 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 = ""; } @@ -2231,7 +2230,7 @@ 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); @@ -2336,14 +2335,10 @@ 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: @@ -2520,8 +2515,10 @@ 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: -- cgit v1.2.3