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path: root/lib/libalpm/alpm_list.c
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-rw-r--r--lib/libalpm/alpm_list.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/libalpm/alpm_list.c b/lib/libalpm/alpm_list.c
index 774d1dbe..c1e4cb8e 100644
--- a/lib/libalpm/alpm_list.c
+++ b/lib/libalpm/alpm_list.c
@@ -399,21 +399,23 @@ alpm_list_t SYMEXPORT *alpm_list_copy(const alpm_list_t *list)
/**
* @brief Copy a list and copy the data.
- *
- * The data must be constant size!
+ * Note that the data elements to be copied should not contain pointers
+ * and should also be of constant size.
*
* @param list the list to copy
+ * @param size the size of each data element
*
* @return a copy of the original list, data copied as well
*/
-alpm_list_t SYMEXPORT *alpm_list_copy_data(const alpm_list_t *list)
+alpm_list_t SYMEXPORT *alpm_list_copy_data(const alpm_list_t *list,
+ size_t size)
{
const alpm_list_t *lp = list;
alpm_list_t *newlist = NULL;
while(lp) {
- void *newdata = calloc(1, sizeof(lp->data));
+ void *newdata = calloc(1, size);
if(newdata) {
- memcpy(newdata, lp->data, sizeof(lp->data));
+ memcpy(newdata, lp->data, size);
newlist = alpm_list_add(newlist, newdata);
lp = lp->next;
}