From: Pierre Habouzit <madcoder@madism.org>
Date: Sat, 18 Nov 2006 13:15:06 +0000 (+0100)
Subject: no more list2_t for mx's anymore either.
X-Git-Url: http://git.madism.org/?a=commitdiff_plain;h=2ce8de509852f47a90f834b3e8d047e054810309;p=apps%2Fmadmutt.git

no more list2_t for mx's anymore either.
also drop the stupid mx_*_reg functions, rather use exter const mx_t's.

Signed-off-by: Pierre Habouzit <madcoder@madism.org>
---

diff --git a/compress.c b/compress.c
index e97fc8d..f4b8b67 100644
--- a/compress.c
+++ b/compress.c
@@ -461,13 +461,17 @@ int mutt_slow_close_compressed (CONTEXT * ctx)
   return (0);
 }
 
-mx_t* compress_reg_mx (void) {
-  mx_t* fmt = p_new(mx_t, 1);
-  fmt->type = M_COMPRESSED;
-  fmt->local = 1;
-  fmt->mx_is_magic = mbox_is_magic;
-  fmt->mx_check_empty = mbox_check_empty;
-  fmt->mx_access = access;
-  fmt->mx_open_mailbox = mutt_open_read_compressed;
-  return (fmt);
-}
+mx_t const compress_mx = {
+    M_COMPRESSED,
+    1,
+    mbox_is_magic,
+    mbox_check_empty,
+    access,
+    mutt_open_read_compressed,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+};
diff --git a/compress.h b/compress.h
index 50ac597..708e3ee 100644
--- a/compress.h
+++ b/compress.h
@@ -21,6 +21,6 @@ int mutt_test_compress_command (const char *);
 int mutt_check_mailbox_compressed (CONTEXT *);
 void mutt_fast_close_compressed (CONTEXT *);
 
-mx_t* compress_reg_mx (void);
+extern mx_t const compress_mx;
 
 #endif /* _COMPRESS_H */
diff --git a/imap/mx_imap.c b/imap/mx_imap.c
index 2d9e333..17147e5 100644
--- a/imap/mx_imap.c
+++ b/imap/mx_imap.c
@@ -56,19 +56,17 @@ static int imap_commit_message (MESSAGE* msg, CONTEXT* ctx) {
   return (r);
 }
 
-mx_t* imap_reg_mx (void) {
-  mx_t* fmt = p_new(mx_t, 1);
-
-  /* make up mx_t record... */
-  fmt->type = M_IMAP;
-  fmt->mx_is_magic = imap_is_magic;
-  fmt->mx_access = imap_access;
-  fmt->mx_open_mailbox = imap_open_mailbox;
-  fmt->mx_open_new_message = imap_open_new_message;
-  fmt->mx_acl_check = acl_check_imap;
-  fmt->mx_fastclose_mailbox = imap_close_mailbox;
-  fmt->mx_sync_mailbox = imap_sync_mailbox;
-  fmt->mx_check_mailbox = _imap_check_mailbox;
-  fmt->mx_commit_message = imap_commit_message;
-  return (fmt);
-}
+mx_t const imap_mx = {
+    M_IMAP,
+    0,
+    imap_is_magic,
+    NULL,
+    imap_access,
+    imap_open_mailbox,
+    imap_open_new_message,
+    acl_check_imap,
+    _imap_check_mailbox,
+    imap_close_mailbox,
+    imap_sync_mailbox,
+    imap_commit_message,
+};
diff --git a/imap/mx_imap.h b/imap/mx_imap.h
index e4758c3..f2e5ddd 100644
--- a/imap/mx_imap.h
+++ b/imap/mx_imap.h
@@ -13,7 +13,8 @@
 
 #include "mx.h"
 
-int imap_is_magic (const char*, struct stat*);
-mx_t* imap_reg_mx (void);
+extern mx_t const imap_mx;
+
+int imap_is_magic(const char*, struct stat*);
 
 #endif /* !_IMAP_MX_H */
diff --git a/main.c b/main.c
index 4551a3d..e3778f5 100644
--- a/main.c
+++ b/main.c
@@ -665,7 +665,6 @@ int main (int argc, char **argv)
     start_curses ();
 
   /* set defaults and read init files */
-  mx_init ();
   mutt_init (flags & M_NOSYSRC, commands);
   string_list_wipe(&commands);
 
diff --git a/mbox.c b/mbox.c
index 442a406..1c10657 100644
--- a/mbox.c
+++ b/mbox.c
@@ -1070,28 +1070,32 @@ static int mmdf_commit_message (MESSAGE* msg, CONTEXT* ctx) {
   return (commit_message (msg, ctx, 0));
 }
 
-static mx_t* reg_mx (void) {
-  mx_t* fmt = p_new(mx_t, 1);
-  fmt->local = 1;
-  fmt->mx_check_empty = mbox_check_empty;
-  fmt->mx_is_magic = mbox_is_magic;
-  fmt->mx_access = access;
-  fmt->mx_open_mailbox = mbox_open_mailbox;
-  fmt->mx_open_new_message = mbox_open_new_message;
-  fmt->mx_sync_mailbox = mbox_sync_mailbox;
-  fmt->mx_check_mailbox = mbox_check_mailbox;
-  return (fmt);
-}
+mx_t const mbox_mx = {
+    M_MBOX,
+    1,
+    mbox_is_magic,
+    mbox_check_empty,
+    access,
+    mbox_open_mailbox,
+    mbox_open_new_message,
+    NULL,
+    mbox_check_mailbox,
+    NULL,
+    mbox_sync_mailbox,
+    mbox_commit_message,
+};
 
-mx_t* mbox_reg_mx (void) {
-  mx_t* fmt = reg_mx ();
-  fmt->type = M_MBOX;
-  fmt->mx_commit_message = mbox_commit_message;
-  return (fmt);
-}
-mx_t* mmdf_reg_mx (void) {
-  mx_t* fmt = reg_mx ();
-  fmt->type = M_MMDF;
-  fmt->mx_commit_message = mmdf_commit_message;
-  return (fmt);
-}
+mx_t const mmdf_mx = {
+    M_MMDF,
+    1,
+    mbox_is_magic,
+    mbox_check_empty,
+    access,
+    mbox_open_mailbox,
+    mbox_open_new_message,
+    NULL,
+    mbox_check_mailbox,
+    NULL,
+    mbox_sync_mailbox,
+    mmdf_commit_message,
+};
diff --git a/mbox.h b/mbox.h
index 238d838..fc9a6fd 100644
--- a/mbox.h
+++ b/mbox.h
@@ -17,6 +17,9 @@
 
 #include "mx.h"
 
+extern mx_t const mbox_mx;
+extern mx_t const mmdf_mx;
+
 /* TODO all of these must disappear to achieve good information hiding */
 
 #define MMDF_SEP "\001\001\001\001\n"
@@ -26,7 +29,4 @@ int mbox_lock_mailbox (CONTEXT *, int, int);
 int mbox_check_empty (const char*);
 int mbox_is_magic (const char*, struct stat*);
 
-mx_t* mbox_reg_mx (void);
-mx_t* mmdf_reg_mx (void);
-
 #endif
diff --git a/mh.c b/mh.c
index f40bbd1..bfaaab2 100644
--- a/mh.c
+++ b/mh.c
@@ -1848,15 +1848,6 @@ static int maildir_is_magic (const char* path, struct stat* st) {
   return (-1);
 }
 
-/* routines common to maildir and mh */
-static mx_t* reg_mx (void) {
-  mx_t* fmt = p_new(mx_t, 1);
-  fmt->local = 1;
-  fmt->mx_access = access;
-  fmt->mx_sync_mailbox = mh_sync_mailbox;
-  return (fmt);
-}
-
 static int mh_commit (MESSAGE* msg, CONTEXT* ctx) {
   return (mh_commit_message (msg, ctx, NULL));
 }
@@ -1865,26 +1856,32 @@ static int maildir_commit (MESSAGE* msg, CONTEXT* ctx) {
   return (maildir_commit_message (msg, ctx, NULL));
 }
 
-mx_t* mh_reg_mx (void) {
-  mx_t* fmt = reg_mx ();
-  fmt->type = M_MH;
-  fmt->mx_check_empty = mh_check_empty;
-  fmt->mx_is_magic = mh_is_magic;
-  fmt->mx_open_mailbox = mh_read_dir;
-  fmt->mx_open_new_message = mh_open_new_message;
-  fmt->mx_check_mailbox = mh_check_mailbox;
-  fmt->mx_commit_message = mh_commit;
-  return (fmt);
-}
+mx_t const maildir_mx = {
+    M_MAILDIR,
+    1,
+    maildir_is_magic,
+    maildir_check_empty,
+    access,
+    maildir_read_dir,
+    maildir_open_new_message,
+    NULL,
+    maildir_check_mailbox,
+    NULL,
+    mh_sync_mailbox,
+    maildir_commit
+};
 
-mx_t* maildir_reg_mx (void) {
-  mx_t* fmt = reg_mx ();
-  fmt->type = M_MAILDIR;
-  fmt->mx_check_empty = maildir_check_empty;
-  fmt->mx_is_magic = maildir_is_magic;
-  fmt->mx_open_mailbox = maildir_read_dir;
-  fmt->mx_open_new_message = maildir_open_new_message;
-  fmt->mx_check_mailbox = maildir_check_mailbox;
-  fmt->mx_commit_message = maildir_commit;
-  return (fmt);
-}
+mx_t const mh_mx = {
+    M_MH,
+    1,
+    mh_is_magic,
+    mh_check_empty,
+    access,
+    mh_read_dir,
+    mh_open_new_message,
+    NULL,
+    mh_check_mailbox,
+    NULL,
+    mh_sync_mailbox,
+    mh_commit
+};
diff --git a/mh.h b/mh.h
index 4764f7a..77722a8 100644
--- a/mh.h
+++ b/mh.h
@@ -17,15 +17,13 @@
 
 #include "mx.h"
 
+extern mx_t const maildir_mx;
+extern mx_t const mh_mx;
+
 /* TODO all of these must disappear to achieve good information hiding */
 
 int mh_buffy (const char *);
 FILE *maildir_open_find_message (const char *, const char *);
 int mh_valid_message (const char *);
 
-/* these are the only publicly visible for usage */
-
-mx_t* maildir_reg_mx (void);
-mx_t* mh_reg_mx (void);
-
 #endif /* !_MH_H */
diff --git a/mx.c b/mx.c
index fde597c..2f127c1 100644
--- a/mx.c
+++ b/mx.c
@@ -46,11 +46,21 @@
 
 #include "lib/list.h"
 
-static list2_t* MailboxFormats = NULL;
-#define MX_COMMAND(idx,cmd) ((mx_t*) MailboxFormats->data[idx])->cmd
-#define MX_IDX(idx) (idx >= 0 && idx < MailboxFormats->length)
+static mx_t const *mxfmts[] = {
+    &mbox_mx,
+    &mmdf_mx,
+    &mh_mx,
+    &maildir_mx,
+    &imap_mx,
+    &pop_mx,
+#ifdef USE_NNTP
+    &nntp_mx,
+#endif
+    &compress_mx,
+};
 
-#define mutt_is_spool(s)  (m_strcmp(Spoolfile, s) == 0)
+#define MX_IDX(idx)          (idx >= 0 && idx < countof(mxfmts))
+#define mutt_is_spool(s)     (m_strcmp(Spoolfile, s) == 0)
 
 #ifdef USE_DOTLOCK
 /* parameters: 
@@ -119,29 +129,29 @@ static int undotlock_file (const char *path)
 
 #endif /* USE_DOTLOCK */
 
-/* looks up index of type for path in MailboxFormats */
+/* looks up index of type for path in mxfmts */
 static int mx_get_idx (const char* path) {
-  int i = 0, t = 0;
-  struct stat st;
-
-  /* first, test all non-local folders to avoid stat() call */
-  for (i = 0; i < MailboxFormats->length; i++) {
-    if (!MX_COMMAND(i,local))
-      t = MX_COMMAND(i,mx_is_magic)(path, NULL);
-    if (t >= 1)
-      return (t-1);
-  }
-  if (stat (path, &st) == 0) {
-    /* if stat() succeeded, keep testing until success and
-     * pass stat() info so that we only need to do it once */
-    for (i = 0; i < MailboxFormats->length; i++) {
-      if (MX_COMMAND(i,local))
-        t = MX_COMMAND(i,mx_is_magic)(path, &st);
-      if (t >= 1)
-        return (t-1);
+    int i = 0, t = 0;
+    struct stat st;
+
+    /* first, test all non-local folders to avoid stat() call */
+    for (i = 0; i < countof(mxfmts); i++) {
+        if (!mxfmts[i]->local)
+            t = mxfmts[i]->mx_is_magic(path, NULL);
+        if (t >= 1)
+            return (t-1);
     }
-  }
-  return (-1);
+    if (stat (path, &st) == 0) {
+        /* if stat() succeeded, keep testing until success and
+         * pass stat() info so that we only need to do it once */
+        for (i = 0; i < countof(mxfmts); i++) {
+            if (mxfmts[i]->local)
+                t = mxfmts[i]->mx_is_magic(path, &st);
+            if (t >= 1)
+                return (t-1);
+        }
+    }
+    return (-1);
 }
 
 /* Args:
@@ -314,14 +324,14 @@ int mx_get_magic (const char *path) {
   if (m_strlen(path) == 0)
     return (-1);
   if ((i = mx_get_idx (path)) >= 0)
-    return (MX_COMMAND(i,type));
+    return (mxfmts[i]->type);
   return (-1);
 }
 
 int mx_is_local (int m) {
   if (!MX_IDX(m))
     return (0);
-  return (MX_COMMAND(m,local));
+  return (mxfmts[m]->local);
 }
 
 /*
@@ -350,8 +360,8 @@ int mx_access (const char *path, int flags)
 {
   int i = 0;
 
-  if ((i = mx_get_idx (path)) >= 0 && MX_COMMAND(i,mx_access))
-    return (MX_COMMAND(i,mx_access)(path,flags));
+  if ((i = mx_get_idx (path)) >= 0 && mxfmts[i]->mx_access)
+    return (mxfmts[i]->mx_access(path,flags));
   return (0);
 }
 
@@ -534,7 +544,7 @@ CONTEXT *mx_open_mailbox (const char *path, int flags, CONTEXT * pctx)
   if (!ctx->quiet)
     mutt_message (_("Reading %s..."), ctx->path);
 
-  rc = MX_COMMAND(ctx->magic-1,mx_open_mailbox)(ctx);
+  rc = mxfmts[ctx->magic-1]->mx_open_mailbox(ctx);
 
   if (rc == 0) {
     if ((flags & M_NOSORT) == 0) {
@@ -565,8 +575,8 @@ void mx_fastclose_mailbox (CONTEXT * ctx)
   if (!ctx)
     return;
 
-  if (MX_IDX(ctx->magic-1) && MX_COMMAND(ctx->magic-1,mx_fastclose_mailbox))
-    MX_COMMAND(ctx->magic-1,mx_fastclose_mailbox(ctx));
+  if (MX_IDX(ctx->magic-1) && mxfmts[ctx->magic-1]->mx_fastclose_mailbox)
+    mxfmts[ctx->magic-1]->mx_fastclose_mailbox(ctx);
   if (ctx->subj_hash)
     hash_destroy (&ctx->subj_hash, NULL);
   if (ctx->id_hash)
@@ -598,7 +608,7 @@ static int sync_mailbox (CONTEXT * ctx, int *index_hint)
 
   if (MX_IDX(ctx->magic-1))
     /* the 1 is only of interest for IMAP and means EXPUNGE */
-    rc = MX_COMMAND(ctx->magic-1,mx_sync_mailbox(ctx,1,index_hint));
+    rc = mxfmts[ctx->magic-1]->mx_sync_mailbox(ctx,1,index_hint);
 
   if (rc == 0 && ctx->compressinfo)
     return mutt_sync_compressed (ctx);
@@ -1083,7 +1093,7 @@ MESSAGE *mx_open_new_message (CONTEXT * dest, HEADER * hdr, int flags)
   if (msg->received == 0)
     time (&msg->received);
 
-  if (MX_COMMAND(dest->magic-1,mx_open_new_message)(msg, dest, hdr) == 0) {
+  if (mxfmts[dest->magic-1]->mx_open_new_message(msg, dest, hdr) == 0) {
     if (dest->magic == M_MMDF)
       fputs (MMDF_SEP, msg->fp);
 
@@ -1115,8 +1125,8 @@ int mx_check_mailbox (CONTEXT * ctx, int *index_hint, int lock) {
   if (ctx) {
     if (ctx->locked)
       lock = 0;
-    if (MX_IDX(ctx->magic-1) && MX_COMMAND(ctx->magic-1,mx_check_mailbox))
-      return (MX_COMMAND(ctx->magic-1,mx_check_mailbox)(ctx, index_hint, lock));
+    if (MX_IDX(ctx->magic-1) && mxfmts[ctx->magic-1]->mx_check_mailbox)
+      return (mxfmts[ctx->magic-1]->mx_check_mailbox(ctx, index_hint, lock));
   }
 
   return (-1);
@@ -1189,9 +1199,9 @@ int mx_commit_message (MESSAGE * msg, CONTEXT * ctx) {
   if (!(msg->write && ctx->append)) {
     return -1;
   }
-  if (!ctx || !MX_IDX(ctx->magic-1) || !MX_COMMAND(ctx->magic-1,mx_commit_message))
+  if (!ctx || !MX_IDX(ctx->magic-1) || !mxfmts[ctx->magic-1]->mx_commit_message)
     return (-1);
-  return (MX_COMMAND(ctx->magic-1,mx_commit_message) (msg, ctx));
+  return (mxfmts[ctx->magic-1]->mx_commit_message (msg, ctx));
 }
 
 /* close a pointer to a message */
@@ -1320,8 +1330,8 @@ void mx_update_context (CONTEXT * ctx, int new_messages)
 int mx_check_empty (const char *path)
 {
   int i = 0;
-  if ((i = mx_get_idx (path)) >= 0 && MX_COMMAND(i,mx_check_empty))
-    return (MX_COMMAND(i,mx_check_empty)(path));
+  if ((i = mx_get_idx (path)) >= 0 && mxfmts[i]->mx_check_empty)
+    return (mxfmts[i]->mx_check_empty(path));
   errno = EINVAL;
   return (-1);
 }
@@ -1330,22 +1340,9 @@ int mx_acl_check (CONTEXT* ctx, int flag) {
   if (!ctx || !MX_IDX(ctx->magic-1))
     return (0);
   /* if no acl_check defined for module, assume permission is granted */
-  if (!MX_COMMAND(ctx->magic-1,mx_acl_check))
+  if (!mxfmts[ctx->magic-1]->mx_acl_check)
     return (1);
-  return (MX_COMMAND(ctx->magic-1,mx_acl_check)(ctx,flag));
-}
-
-void mx_init (void) {
-  list_push_back (&MailboxFormats, (void*) mbox_reg_mx ());
-  list_push_back (&MailboxFormats, (void*) mmdf_reg_mx ());
-  list_push_back (&MailboxFormats, (void*) mh_reg_mx ());
-  list_push_back (&MailboxFormats, (void*) maildir_reg_mx ());
-  list_push_back (&MailboxFormats, (void*) imap_reg_mx ());
-  list_push_back (&MailboxFormats, (void*) pop_reg_mx ());
-#ifdef USE_NNTP
-  list_push_back (&MailboxFormats, (void*) nntp_reg_mx ());
-#endif
-  list_push_back (&MailboxFormats, (void*) compress_reg_mx ());
+  return (mxfmts[ctx->magic-1]->mx_acl_check(ctx,flag));
 }
 
 int mx_rebuild_cache (void) {
diff --git a/mx.h b/mx.h
index 60f7782..efc732b 100644
--- a/mx.h
+++ b/mx.h
@@ -20,10 +20,8 @@
 #include <utime.h>
 #include "mutt.h"
 
-/*
- * supported mailbox formats
- * in mx_init() the registration order must be exactly as given here!!!1!
- */
+/* supported mailbox formats
+   XXX: has to be in the same order than mxfmts in mx.c */
 enum {
     M_MBOX = 1,
     M_MMDF,
@@ -72,7 +70,7 @@ typedef struct {
   time_t received;              /* the time at which this message was received */
 } MESSAGE;
 
-typedef struct {
+typedef struct mx_t {
   /* folder magic */
   int type;
   /* may we stat() it? */
@@ -100,9 +98,6 @@ typedef struct {
   int (*mx_commit_message) (MESSAGE*, CONTEXT*);
 } mx_t;
 
-/* called from main: init all folder types */
-void mx_init (void);
-
 /* flags for mx_open_mailbox() */
 #define M_NOSORT        (1<<0)  /* do not sort the mailbox after opening it */
 #define M_APPEND        (1<<1)  /* open mailbox for appending messages */
diff --git a/nntp/mx_nntp.c b/nntp/mx_nntp.c
index 8943c9f..08eee9a 100644
--- a/nntp/mx_nntp.c
+++ b/nntp/mx_nntp.c
@@ -30,17 +30,17 @@ static int acl_check_nntp (CONTEXT* ctx, int bit) {
   }
 }
 
-/* called by nntp_init(); don't call elsewhere */
-mx_t* nntp_reg_mx (void) {
-  mx_t* fmt = p_new(mx_t, 1);
-
-  /* make up mx_t record... */
-  fmt->type = M_NNTP;
-  fmt->mx_is_magic = nntp_is_magic;
-  fmt->mx_open_mailbox = nntp_open_mailbox;
-  fmt->mx_acl_check = acl_check_nntp;
-  fmt->mx_fastclose_mailbox = nntp_fastclose_mailbox;
-  fmt->mx_sync_mailbox = nntp_sync_mailbox;
-  fmt->mx_check_mailbox = nntp_check_mailbox;
-  return (fmt);
-}
+mx_t const nntp_mx = {
+    M_NNTP,
+    0,
+    nntp_is_magic,
+    NULL,
+    NULL,
+    nntp_open_mailbox,
+    NULL,
+    acl_check_nntp,
+    nntp_check_mailbox,
+    nntp_fastclose_mailbox,
+    nntp_sync_mailbox,
+    NULL,
+};
diff --git a/nntp/mx_nntp.h b/nntp/mx_nntp.h
index 28926a5..9e44ca1 100644
--- a/nntp/mx_nntp.h
+++ b/nntp/mx_nntp.h
@@ -13,6 +13,6 @@
 
 #include "mx.h"
 
-mx_t* nntp_reg_mx (void);
+extern mx_t const nntp_mx;
 
 #endif /* !_NNTP_MX_H */
diff --git a/pop/mx_pop.c b/pop/mx_pop.c
index fd4ab46..b75ba14 100644
--- a/pop/mx_pop.c
+++ b/pop/mx_pop.c
@@ -29,16 +29,17 @@ static int acl_check_pop (CONTEXT* ctx __attribute__ ((unused)), int bit) {
   }
 }
 
-mx_t* pop_reg_mx (void) {
-  mx_t* fmt = p_new(mx_t, 1);
-
-  /* make up mx_t record... */
-  fmt->type = M_POP;
-  fmt->mx_is_magic = pop_is_magic;
-  fmt->mx_open_mailbox = pop_open_mailbox;
-  fmt->mx_acl_check = acl_check_pop;
-  fmt->mx_fastclose_mailbox = pop_close_mailbox;
-  fmt->mx_sync_mailbox = pop_sync_mailbox;
-  fmt->mx_check_mailbox = pop_check_mailbox;
-  return (fmt);
-}
+mx_t const pop_mx = {
+    M_POP,
+    0,
+    pop_is_magic,
+    NULL,
+    NULL,
+    pop_open_mailbox,
+    NULL,
+    acl_check_pop,
+    pop_check_mailbox,
+    pop_close_mailbox,
+    pop_sync_mailbox,
+    NULL,
+};
diff --git a/pop/mx_pop.h b/pop/mx_pop.h
index cbf57a2..0c75157 100644
--- a/pop/mx_pop.h
+++ b/pop/mx_pop.h
@@ -13,6 +13,6 @@
 
 #include "mx.h"
 
-mx_t* pop_reg_mx (void);
+extern mx_t const pop_mx;
 
 #endif /* !_POP_MX_H */