From a006d1d1a62e9f4255221203c34276c2f60a945d Mon Sep 17 00:00:00 2001
From: rmudgett <rmudgett@f38db490-d61c-443f-a65b-d21fe96a405b>
Date: Tue, 18 Aug 2009 16:29:47 +0000
Subject: Merged revisions 212727 via svnmerge from
 https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r212727 | rmudgett | 2009-08-18 11:00:56 -0500 (Tue, 18 Aug 2009) | 1 line

  Removed some deadwood and added some doxygen comments.
........


git-svn-id: http://svn.digium.com/svn/asterisk/trunk@212758 f38db490-d61c-443f-a65b-d21fe96a405b
---
 channels/misdn/isdn_lib.c | 54 ++++++++++++++++++++++++-----------------------
 1 file changed, 28 insertions(+), 26 deletions(-)

(limited to 'channels/misdn')

diff --git a/channels/misdn/isdn_lib.c b/channels/misdn/isdn_lib.c
index 835f75cf6..43c69ddff 100644
--- a/channels/misdn/isdn_lib.c
+++ b/channels/misdn/isdn_lib.c
@@ -238,8 +238,6 @@ void misdn_tx_jitter(struct misdn_bchannel *bc, int len);
 
 struct misdn_bchannel *find_bc_by_l3id(struct misdn_stack *stack, unsigned long l3id);
 
-struct misdn_bchannel *find_bc_by_confid(unsigned long confid);
-
 int setup_bc(struct misdn_bchannel *bc);
 
 int manager_isdn_handler(iframe_t *frm ,msg_t *msg);
@@ -281,7 +279,6 @@ struct misdn_bchannel *stack_holder_find(struct misdn_stack *stack, unsigned lon
 	/* user iface */
 void te_lib_destroy(int midev) ;
 struct misdn_bchannel *manager_find_bc_by_pid(int pid);
-struct misdn_bchannel *manager_find_bc_holded(struct misdn_bchannel* bc);
 void manager_ph_control_block(struct misdn_bchannel *bc, int c1, void *c2, int c2_len);
 void manager_clean_bc(struct misdn_bchannel *bc );
 void manager_bchannel_setup (struct misdn_bchannel *bc);
@@ -591,6 +588,19 @@ static int find_free_chan_in_stack(struct misdn_stack *stack, struct misdn_bchan
 	return 0;
 }
 
+/*!
+ * \internal
+ * \brief Release a B channel to the allocation pool.
+ *
+ * \param stack Which port stack B channel belongs.
+ * \param channel B channel to release. (Range 1-MAX_BCHANS representing B1-Bn)
+ *
+ * \return Nothing
+ *
+ * \note
+ * Must be called after clean_up_bc() to make sure that the media stream is
+ * no longer connected.
+ */
 static void empty_chan_in_stack(struct misdn_stack *stack, int channel)
 {
 	if (channel < 1 || ARRAY_LEN(stack->channels) < channel) {
@@ -661,7 +671,17 @@ static void bc_next_state_change(struct misdn_bchannel *bc, enum bchannel_state
 	bc->next_bc_state=state;
 }
 
-
+/*!
+ * \internal
+ * \brief Empty the B channel record of most call data.
+ *
+ * \param bc B channel record to empty of most call data.
+ *
+ * \return Nothing
+ *
+ * \note
+ * Sets the last_used time and must be called before clearing bc->in_use.
+ */
 static void empty_bc(struct misdn_bchannel *bc)
 {
 	bc->caller.presentation = 0;	/* allowed */
@@ -1563,19 +1583,9 @@ struct misdn_bchannel *find_bc_by_l3id(struct misdn_stack *stack, unsigned long
 	return stack_holder_find(stack, l3id);
 }
 
-static struct misdn_bchannel *find_bc_holded(struct misdn_stack *stack)
-{
-	int i;
-	for (i=0; i<=stack->b_num; i++) {
-		if (stack->bc[i].holded ) return &stack->bc[i] ;
-	}
-	return NULL;
-}
-
-
 static struct misdn_bchannel *find_bc_by_addr(unsigned long addr)
 {
-	struct misdn_stack* stack;
+	struct misdn_stack *stack;
 	int i;
 
 	for (stack=glob_mgr->stack_list;
@@ -1591,9 +1601,9 @@ static struct misdn_bchannel *find_bc_by_addr(unsigned long addr)
 	return NULL;
 }
 
-struct misdn_bchannel *find_bc_by_confid(unsigned long confid)
+static struct misdn_bchannel *find_bc_by_confid(unsigned long confid)
 {
-	struct misdn_stack* stack;
+	struct misdn_stack *stack;
 	int i;
 
 	for (stack=glob_mgr->stack_list;
@@ -1611,7 +1621,7 @@ struct misdn_bchannel *find_bc_by_confid(unsigned long confid)
 
 static struct misdn_bchannel *find_bc_by_channel(int port, int channel)
 {
-	struct misdn_stack* stack=find_stack_by_port(port);
+	struct misdn_stack *stack = find_stack_by_port(port);
 	int i;
 
 	if (!stack) return NULL;
@@ -3246,14 +3256,6 @@ struct misdn_bchannel *manager_find_bc_by_pid(int pid)
 	return NULL;
 }
 
-struct misdn_bchannel *manager_find_bc_holded(struct misdn_bchannel* bc)
-{
-	struct misdn_stack *stack=get_stack_by_bc(bc);
-	return find_bc_holded(stack);
-}
-
-
-
 static int test_inuse(struct misdn_bchannel *bc)
 {
 	struct timeval now;
-- 
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