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-rw-r--r--lib/libalpm/alpm_list.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/lib/libalpm/alpm_list.c b/lib/libalpm/alpm_list.c
index 0f1b819c..334f67ba 100644
--- a/lib/libalpm/alpm_list.c
+++ b/lib/libalpm/alpm_list.c
@@ -461,7 +461,10 @@ alpm_list_t SYMEXPORT *alpm_list_remove_dupes(const alpm_list_t *list)
alpm_list_t *newlist = NULL;
while(lp) {
if(!alpm_list_find_ptr(newlist, lp->data)) {
- newlist = alpm_list_add(newlist, lp->data);
+ if(alpm_list_append(&newlist, lp->data) == NULL) {
+ alpm_list_free(newlist);
+ return NULL;
+ }
}
lp = lp->next;
}
@@ -480,7 +483,10 @@ alpm_list_t SYMEXPORT *alpm_list_strdup(const alpm_list_t *list)
const alpm_list_t *lp = list;
alpm_list_t *newlist = NULL;
while(lp) {
- newlist = alpm_list_add(newlist, strdup(lp->data));
+ if(alpm_list_append_strdup(&newlist, lp->data) == NULL) {
+ FREELIST(newlist);
+ return NULL;
+ }
lp = lp->next;
}
return newlist;
@@ -498,7 +504,10 @@ alpm_list_t SYMEXPORT *alpm_list_copy(const alpm_list_t *list)
const alpm_list_t *lp = list;
alpm_list_t *newlist = NULL;
while(lp) {
- newlist = alpm_list_add(newlist, lp->data);
+ if(alpm_list_append(&newlist, lp->data) == NULL) {
+ alpm_list_free(newlist);
+ return NULL;
+ }
lp = lp->next;
}
return newlist;
@@ -523,8 +532,15 @@ alpm_list_t SYMEXPORT *alpm_list_copy_data(const alpm_list_t *list,
void *newdata = malloc(size);
if(newdata) {
memcpy(newdata, lp->data, size);
- newlist = alpm_list_add(newlist, newdata);
+ if(alpm_list_append(&newlist, newdata) == NULL) {
+ free(newdata);
+ FREELIST(newlist);
+ return NULL;
+ }
lp = lp->next;
+ } else {
+ FREELIST(newlist);
+ return NULL;
}
}
return newlist;
@@ -552,7 +568,10 @@ alpm_list_t SYMEXPORT *alpm_list_reverse(alpm_list_t *list)
list->prev = NULL;
while(lp) {
- newlist = alpm_list_add(newlist, lp->data);
+ if(alpm_list_append(&newlist, lp->data) == NULL) {
+ alpm_list_free(newlist);
+ return NULL;
+ }
lp = lp->prev;
}
list->prev = backup; /* restore tail pointer */