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authorMatthew Ahrens <mahrens@delphix.com>2015-10-09 21:56:01 -0700
committerMatthew Ahrens <mahrens@delphix.com>2015-10-09 21:56:01 -0700
commit9c3fd1216fa7fb02cfbc78a2518a686d54b48ab8 (patch)
tree38f7ac42de9d29c9fb4f3d8dfe79416f6db7c6d6 /usr/src/lib/libzfs/common/libzfs_dataset.c
parent89fdfac39633dc6769133c82b68b1ed74c2bc54b (diff)
downloadillumos-joyent-9c3fd1216fa7fb02cfbc78a2518a686d54b48ab8.tar.gz
2605 want to resume interrupted zfs send
Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Paul Dagnelie <pcd@delphix.com> Reviewed by: Richard Elling <Richard.Elling@RichardElling.com> Reviewed by: Xin Li <delphij@freebsd.org> Reviewed by: Arne Jansen <sensille@gmx.net> Approved by: Dan McDonald <danmcd@omniti.com>
Diffstat (limited to 'usr/src/lib/libzfs/common/libzfs_dataset.c')
-rw-r--r--usr/src/lib/libzfs/common/libzfs_dataset.c27
1 files changed, 12 insertions, 15 deletions
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: