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Added a prepend function for ssh_list.

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This commit is contained in:
Andreas Schneider
2010-03-04 20:02:22 +01:00
parent 9dd86859e8
commit 2144049c7d
2 changed files with 20 additions and 0 deletions
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1
include/libssh/misc.h
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@@ -47,6 +47,7 @@ struct ssh_list *ssh_list_new(void);
void ssh_list_free(struct ssh_list *list);
struct ssh_iterator *ssh_list_get_iterator(const struct ssh_list *list);
int ssh_list_add(struct ssh_list *list, const void *data);
int ssh_list_prepend(struct ssh_list *list, const void *data);
void ssh_list_remove(struct ssh_list *list, struct ssh_iterator *iterator);
const void *_ssh_list_pop_head(struct ssh_list *list);

19
libssh/misc.c
View File

@@ -237,6 +237,25 @@ int ssh_list_add(struct ssh_list *list,const void *data){
return SSH_OK;
}
int ssh_list_prepend(struct ssh_list *list, const void *data){
struct ssh_iterator *it = ssh_iterator_new(data);
if (it == NULL) {
return SSH_ERROR;
}
if (list->end == NULL) {
/* list is empty */
list->root = list->end = it;
} else {
/* set as new root */
it->next = list->root;
list->root = it;
}
return SSH_OK;
}
void ssh_list_remove(struct ssh_list *list, struct ssh_iterator *iterator){
struct ssh_iterator *ptr,*prev;
prev=NULL;