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Add smartlist_reverse and smartlist_pop_last.

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svn:r6634
This commit is contained in:
Nick Mathewson 2006-06-18 07:21:35 +00:00
parent 7a3ac5ee0d
commit 78428dccdb
2 changed files with 28 additions and 0 deletions
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26
src/common/container.c
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@ -127,6 +127,32 @@ smartlist_remove(smartlist_t *sl, const void *element)
}
}
/** If <b>sl</b> is nonempty, remove and return the final element. Otherwise,
* return NULL. */
void *
smartlist_pop_last(smartlist_t *sl)
{
tor_assert(sl);
if (sl->num_used)
return sl->list[--sl->num_used];
else
return NULL;
}
/** Reverse the order of the items in <b>sl</b>. */
void
smartlist_reverse(smartlist_t *sl)
{
int i, j;
void *tmp;
tor_assert(sl);
for (i = 0, j = sl->num_used-1; i < j; ++i, --j) {
tmp = sl->list[i];
sl->list[i] = sl->list[j];
sl->list[j] = tmp;
}
}
/** If there are any strings in sl equal to element, remove and free them.
* Does not preserve order. */
void

2
src/common/container.h
View File

@ -29,6 +29,8 @@ void smartlist_clear(smartlist_t *sl);
void smartlist_add(smartlist_t *sl, void *element);
void smartlist_add_all(smartlist_t *sl, const smartlist_t *s2);
void smartlist_remove(smartlist_t *sl, const void *element);
void *smartlist_pop_last(smartlist_t *sl);
void smartlist_reverse(smartlist_t *sl);
void smartlist_string_remove(smartlist_t *sl, const char *element);
int smartlist_isin(const smartlist_t *sl, const void *element);
int smartlist_string_isin(const smartlist_t *sl, const char *element);