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Add a new list count operation to TommyDS

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This commit is contained in:
Andrea Mazzoleni 2015-01-19 22:22:36 +01:00
parent c0970c02b3
commit 41a496fe99
2 changed files with 18 additions and 5 deletions
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6
cmdline/device.c
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@ -517,11 +517,7 @@ void state_device(struct snapraid_state* state, int operation)
#endif
if (operation == DEVICE_SMART) {
/* count the logical disks forming the array */
unsigned count = state->level;
for (i = state->disklist; i != 0; i = i->next)
++count;
state_smart(count, &low);
state_smart(state->level + tommy_list_count(&state->disklist), &low);
}
tommy_list_foreach(&high, free);

17
tommyds/tommylist.h
View file

@ -298,6 +298,23 @@ tommy_inline tommy_bool_t tommy_list_empty(tommy_list* list)
return tommy_list_head(list) == 0;
}
/**
* Gets the number of elements.
* \note This operation is O(n).
*/
tommy_inline tommy_count_t tommy_list_count(tommy_list* list)
{
tommy_count_t count = 0;
tommy_node* i = tommy_list_head(list);
while (i) {
++count;
i = i->next;
}
return count;
}
/**
* Calls the specified function for each element in the list.
*