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freetdm: make conf nodes to be stored in FIFO order

This commit is contained in:
Moises Silva 2010-09-20 10:18:23 -04:00
parent 7d84351de9
commit 95cf2209fe
2 changed files with 24 additions and 7 deletions
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25
libs/freetdm/src/ftdm_config.c
View File

@ -268,13 +268,24 @@ FT_DECLARE(ftdm_status_t) ftdm_conf_node_create(const char *name, ftdm_conf_node
if (parent) {
/* store who my parent is */
newnode->parent = parent;
/* save any siblings */
sibling = parent->child;
/* as a newborn I am first */
parent->child = newnode;
if (sibling) {
/* store a pointer to my next sibling */
newnode->next = sibling;
/* arrange them in FIFO order (newnode should be last) */
if (!parent->child) {
/* we're the first node being added */
parent->child = newnode;
} else {
if (!parent->last) {
/* we're the second node being added */
parent->last = newnode;
parent->child->next = newnode;
newnode->prev = parent->child;
} else {
/* we're the third or Nth node to be added */
sibling = parent->last;
sibling->next = newnode;
parent->last = newnode;
newnode->prev = sibling;
}
}
}

6
libs/freetdm/src/include/private/ftdm_types.h
View File

@ -322,9 +322,15 @@ struct ftdm_conf_node {
/* first node child */
struct ftdm_conf_node *child;
/* last node child */
struct ftdm_conf_node *last;
/* next node sibling */
struct ftdm_conf_node *next;
/* prev node sibling */
struct ftdm_conf_node *prev;
/* my parent if any */
struct ftdm_conf_node *parent;
};