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select: fix string list selection to match whole words only but not prefixes of searched string

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$ lvs -o name,tags vg/lvol0
  LV    LV Tags
  lvol0 a

Before this patch:

$ lvs -o name,tags vg/lvol0 -S 'tags=[a]'
  LV    LV Tags
  lvol0 a

$ lvs -o name,tags vg/lvol0 -S 'tags=[ab]'
  LV    LV Tags
  lvol0 a
(incorrect!)

$ lvs -o name,tags vg/lvol0 -S 'tags=[abc]'
  LV    LV Tags
  lvol0 a
(incorrect!)

With this patch applied:

$ lvs -o name,tags vg/lvol0 -S 'tags=[a]'
  LV    LV Tags
  lvol0 a

$ lvs -o name,tags vg/lvol0 -S 'tags=[ab]'
(no result - correct!)

$ lvs -o name,tags vg/lvol0 -S 'tags=[abc]'
(no result - correct!)
This commit is contained in:
Peter Rajnoha 2014-08-13 15:27:00 +02:00
parent 9738a02d3d
commit 6dd98c1fa8
2 changed files with 5 additions and 2 deletions
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1
WHATS_NEW_DM
View File

@ -1,5 +1,6 @@
Version 1.02.89 -
=================================
Fix string list selection to match whole words only, not prefixes.
Version 1.02.88 - 5th August 2014
=================================

6
libdm/libdm-report.c
View File

@ -1260,7 +1260,8 @@ static int _cmp_field_string_list_all(const struct str_list_sort_value *val,
/* both lists are sorted so they either match 1:1 or not */
dm_list_iterate_items(sel_item, sel->list) {
if (strncmp(sel_item->str, val->value + val->items[i].pos, val->items[i].len))
if ((strlen(sel_item->str) != val->items[i].len) ||
strncmp(sel_item->str, val->value + val->items[i].pos, val->items[i].len))
return 0;
i++;
}
@ -1285,7 +1286,8 @@ static int _cmp_field_string_list_any(const struct str_list_sort_value *val,
* Make use of the fact that the lists are sorted!
*/
for (i = 1; i <= val->items[0].len; i++) {
if (!strncmp(sel_item->str, val->value + val->items[i].pos, val->items[i].len))
if ((strlen(sel_item->str) == val->items[i].len) &&
!strncmp(sel_item->str, val->value + val->items[i].pos, val->items[i].len))
return 1;
}
}