From 956541d5b7d2e422a8204bee44d593788b6b9fcc Mon Sep 17 00:00:00 2001
From: Brendan Cully <brendan@kublai.com>
Date: Fri, 30 Mar 2007 19:22:55 -0700
Subject: [PATCH] Add function pointer for close hook in Context. Slowly inch
 towards function pointers instead of switch statements.

---
 imap/imap.c |  1 +
 mutt.h      |  9 +++++----
 mx.c        | 13 ++++---------
 pop.c       |  1 +
 4 files changed, 11 insertions(+), 13 deletions(-)

diff --git a/imap/imap.c b/imap/imap.c
index 87b5eb4a7..a4ad726ac 100644
--- a/imap/imap.c
+++ b/imap/imap.c
@@ -569,6 +569,7 @@ int imap_open_mailbox (CONTEXT* ctx)
 
   /* once again the context is new */
   ctx->data = idata;
+  ctx->mx_close = imap_close_mailbox;
 
   /* Clean up path and replace the one in the ctx */
   imap_fix_path (idata, mx.mbox, buf, sizeof (buf));
diff --git a/mutt.h b/mutt.h
index 02df3c485..51f80d903 100644
--- a/mutt.h
+++ b/mutt.h
@@ -856,7 +856,7 @@ enum
   RIGHTSMAX
 };
 
-typedef struct
+typedef struct _context
 {
   char *path;
   FILE *fp;
@@ -882,9 +882,6 @@ typedef struct
   int deleted;			/* how many deleted messages */
   int flagged;			/* how many flagged messages */
   int msgnotreadyet;		/* which msg "new" in pager, -1 if none */
-#if defined USE_POP || defined USE_IMAP
-  void *data;			/* driver specific data */
-#endif /* USE_IMAP */
 
   short magic;			/* mailbox type */
 
@@ -898,6 +895,10 @@ typedef struct
   unsigned int quiet : 1;	/* inhibit status messages? */
   unsigned int collapsed : 1;   /* are all threads collapsed? */
   unsigned int closing : 1;	/* mailbox is being closed */
+
+  /* driver hooks */
+  void *data;			/* driver specific data */
+  int (*mx_close)(struct _context *);
 } CONTEXT;
 
 typedef struct
diff --git a/mx.c b/mx.c
index ec621c0b8..afa68431f 100644
--- a/mx.c
+++ b/mx.c
@@ -740,15 +740,10 @@ void mx_fastclose_mailbox (CONTEXT *ctx)
 
   if(!ctx) 
     return;
-  
-#ifdef USE_IMAP
-  if (ctx->magic == M_IMAP)
-    imap_close_mailbox (ctx);
-#endif /* USE_IMAP */
-#ifdef USE_POP
-  if (ctx->magic == M_POP)
-    pop_close_mailbox (ctx);
-#endif /* USE_POP */
+
+  if (ctx->mx_close)
+    ctx->mx_close (ctx);
+
   if (ctx->subj_hash)
     hash_destroy (&ctx->subj_hash, NULL);
   if (ctx->id_hash)
diff --git a/pop.c b/pop.c
index ba2841f10..f84ec80c6 100644
--- a/pop.c
+++ b/pop.c
@@ -372,6 +372,7 @@ int pop_open_mailbox (CONTEXT *ctx)
   pop_data = safe_calloc (1, sizeof (POP_DATA));
   pop_data->conn = conn;
   ctx->data = pop_data;
+  ctx->mx_close = pop_close_mailbox;
 
   if (pop_open_connection (pop_data) < 0)
     return -1;
-- 
2.40.0