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Code Issues Releases Activity

text object list: allow appending a list of objects

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This commit is contained in:
Phil Sutter 2009-11-08 14:42:04 +01:00
parent 02d104cc6a
commit 2e83ff05c5
1 changed files with 8 additions and 2 deletions
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10
src/text_object.c
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@ -50,15 +50,16 @@ void gen_free_opaque(struct text_object *obj)
* (this works in BOTH directions)
*/
/* append an object to the given root object's list */
/* append an object or list of objects to the given root object's list */
int append_object(struct text_object *root, struct text_object *obj)
{
struct text_object *end;
/* hook in start of list to append */
end = root->prev;
obj->prev = end;
obj->next = NULL;
/* update pointers of the list to append to */
if (end) {
if (end->next)
CRIT_ERR(NULL, NULL, "huston, we have a lift-off");
@ -66,7 +67,12 @@ int append_object(struct text_object *root, struct text_object *obj)
} else {
root->next = obj;
}
/* find end of appended list to point root->prev there */
while (obj->next)
obj = obj->next;
root->prev = obj;
return 0;
}