X-Git-Url: http://git.madism.org/?p=apps%2Fmadmutt.git;a=blobdiff_plain;f=mbox.c;h=5f76334032d67b348f77e01656105518a4a4c76b;hp=3d1a31cc6571a993e351724ab6ee8b0576450660;hb=dbacadf0ce81052365d7a43373ac7d4ac67ff91e;hpb=25bf57d598476b329536fa3f748cc0c529fef6bd

diff --git a/mbox.c b/mbox.c
index 3d1a31c..5f76334 100644
--- a/mbox.c
+++ b/mbox.c
@@ -13,20 +13,6 @@
 # include "config.h"
 #endif
 
-#include "mutt.h"
-#include "mx.h"
-#include "mbox.h"
-#include "sort.h"
-#include "copy.h"
-
-#ifdef USE_COMPRESSED
-#include "compress.h"
-#endif
-
-#include "lib/mem.h"
-#include "lib/intl.h"
-#include "lib/str.h"
-
 #include <sys/stat.h>
 #include <dirent.h>
 #include <string.h>
@@ -36,22 +22,42 @@
 #include <unistd.h>
 #include <fcntl.h>
 
+#include <lib-lib/mem.h>
+#include <lib-lib/str.h>
+#include <lib-lib/macros.h>
+#include <lib-lib/file.h>
+#include <lib-lib/debug.h>
+
+#include <lib-sys/mutt_signal.h>
+
+#include "mutt.h"
+#include "mx.h"
+#include "buffy.h"
+#include "mbox.h"
+#include "sort.h"
+#include "thread.h"
+#include "copy.h"
+#include "compress.h"
+
 /* struct used by mutt_sync_mailbox() to store new offsets */
 struct m_update_t {
   short valid;
-  long hdr;
-  long body;
+  off_t hdr;
+  off_t body;
   long lines;
-  long length;
+  off_t length;
 };
 
 
-int mbox_open_new_message (MESSAGE * msg, CONTEXT * dest, HEADER * hdr)
+static int mbox_open_new_message (MESSAGE * msg, CONTEXT * dest, HEADER * hdr __attribute__ ((unused)))
 {
   msg->fp = dest->fp;
   return 0;
 }
 
+/* prototypes */
+static int mbox_reopen_mailbox (CONTEXT*, int*);
+
 /* parameters:
  * ctx - context to lock
  * excl - exclusive lock?
@@ -81,21 +87,17 @@ void mbox_unlock_mailbox (CONTEXT * ctx)
   }
 }
 
-int mmdf_parse_mailbox (CONTEXT * ctx)
+static int mmdf_parse_mailbox (CONTEXT * ctx)
 {
   char buf[HUGE_STRING];
   char return_path[LONG_STRING];
   int count = 0, oldmsgcount = ctx->msgcount;
   int lines;
   time_t t, tz;
-  long loc, tmploc;
+  off_t loc, tmploc;
   HEADER *hdr;
   struct stat sb;
 
-#ifdef NFS_ATTRIBUTE_HACK
-  struct utimbuf newtime;
-#endif
-
   if (stat (ctx->path, &sb) == -1) {
     mutt_perror (ctx->path);
     return (-1);
@@ -103,26 +105,18 @@ int mmdf_parse_mailbox (CONTEXT * ctx)
   ctx->mtime = sb.st_mtime;
   ctx->size = sb.st_size;
 
-#ifdef NFS_ATTRIBUTE_HACK
-  if (sb.st_mtime > sb.st_atime) {
-    newtime.modtime = sb.st_mtime;
-    newtime.actime = time (NULL);
-    utime (ctx->path, &newtime);
-  }
-#endif
-
   /* precompute the local timezone to speed up calculation of the
      received time */
   tz = mutt_local_tz (0);
 
   buf[sizeof (buf) - 1] = 0;
 
-  FOREVER {
+  for (;;) {
     if (fgets (buf, sizeof (buf) - 1, ctx->fp) == NULL)
       break;
 
-    if (safe_strcmp (buf, MMDF_SEP) == 0) {
-      loc = ftell (ctx->fp);
+    if (m_strcmp(buf, MMDF_SEP) == 0) {
+      loc = ftello (ctx->fp);
 
       count++;
       if (!ctx->quiet && ReadInc && ((count % ReadInc == 0) || count == 1))
@@ -132,21 +126,21 @@ int mmdf_parse_mailbox (CONTEXT * ctx)
 
       if (ctx->msgcount == ctx->hdrmax)
         mx_alloc_memory (ctx);
-      ctx->hdrs[ctx->msgcount] = hdr = mutt_new_header ();
+      ctx->hdrs[ctx->msgcount] = hdr = header_new();
       hdr->offset = loc;
       hdr->index = ctx->msgcount;
 
       if (fgets (buf, sizeof (buf) - 1, ctx->fp) == NULL) {
         /* TODO: memory leak??? */
-        dprint (1, (debugfile, "mmdf_parse_mailbox: unexpected EOF\n"));
+        debug_print (1, ("unexpected EOF\n"));
         break;
       }
 
       return_path[0] = 0;
 
       if (!is_from (buf, return_path, sizeof (return_path), &t)) {
-        if (fseek (ctx->fp, loc, SEEK_SET) != 0) {
-          dprint (1, (debugfile, "mmdf_parse_mailbox: fseek() failed\n"));
+        if (fseeko (ctx->fp, loc, SEEK_SET) != 0) {
+          debug_print (1, ("fseeko() failed\n"));
           mutt_error _("Mailbox is corrupt!");
 
           return (-1);
@@ -157,17 +151,17 @@ int mmdf_parse_mailbox (CONTEXT * ctx)
 
       hdr->env = mutt_read_rfc822_header (ctx->fp, hdr, 0, 0);
 
-      loc = ftell (ctx->fp);
+      loc = ftello (ctx->fp);
 
       if (hdr->content->length > 0 && hdr->lines > 0) {
         tmploc = loc + hdr->content->length;
 
         if (0 < tmploc && tmploc < ctx->size) {
-          if (fseek (ctx->fp, tmploc, SEEK_SET) != 0 ||
+          if (fseeko (ctx->fp, tmploc, SEEK_SET) != 0 ||
               fgets (buf, sizeof (buf) - 1, ctx->fp) == NULL ||
-              safe_strcmp (MMDF_SEP, buf) != 0) {
-            if (fseek (ctx->fp, loc, SEEK_SET) != 0)
-              dprint (1, (debugfile, "mmdf_parse_mailbox: fseek() failed\n"));
+              m_strcmp(MMDF_SEP, buf) != 0) {
+            if (fseeko (ctx->fp, loc, SEEK_SET) != 0)
+              debug_print (1, ("fseeko() failed\n"));
             hdr->content->length = -1;
           }
         }
@@ -180,11 +174,11 @@ int mmdf_parse_mailbox (CONTEXT * ctx)
       if (hdr->content->length < 0) {
         lines = -1;
         do {
-          loc = ftell (ctx->fp);
+          loc = ftello (ctx->fp);
           if (fgets (buf, sizeof (buf) - 1, ctx->fp) == NULL)
             break;
           lines++;
-        } while (safe_strcmp (buf, MMDF_SEP) != 0);
+        } while (m_strcmp(buf, MMDF_SEP) != 0);
 
         hdr->lines = lines;
         hdr->content->length = loc - hdr->content->offset;
@@ -195,12 +189,12 @@ int mmdf_parse_mailbox (CONTEXT * ctx)
           rfc822_parse_adrlist (hdr->env->return_path, return_path);
 
       if (!hdr->env->from)
-        hdr->env->from = rfc822_cpy_adr (hdr->env->return_path);
+        hdr->env->from = address_list_dup (hdr->env->return_path);
 
       ctx->msgcount++;
     }
     else {
-      dprint (1, (debugfile, "mmdf_parse_mailbox: corrupt mailbox!\n"));
+      debug_print (1, ("corrupt mailbox!\n"));
       mutt_error _("Mailbox is corrupt!");
 
       return (-1);
@@ -219,18 +213,14 @@ int mmdf_parse_mailbox (CONTEXT * ctx)
  * NOTE: it is assumed that the mailbox being read has been locked before
  * this routine gets called.  Strange things could happen if it's not!
  */
-int mbox_parse_mailbox (CONTEXT * ctx)
+static int mbox_parse_mailbox (CONTEXT * ctx)
 {
   struct stat sb;
   char buf[HUGE_STRING], return_path[STRING];
   HEADER *curhdr;
   time_t t, tz;
   int count = 0, lines = 0;
-  long loc;
-
-#ifdef NFS_ATTRIBUTE_HACK
-  struct utimbuf newtime;
-#endif
+  off_t loc;
 
   /* Save information about the folder at the time we opened it. */
   if (stat (ctx->path, &sb) == -1) {
@@ -241,14 +231,6 @@ int mbox_parse_mailbox (CONTEXT * ctx)
   ctx->size = sb.st_size;
   ctx->mtime = sb.st_mtime;
 
-#ifdef NFS_ATTRIBUTE_HACK
-  if (sb.st_mtime > sb.st_atime) {
-    newtime.modtime = sb.st_mtime;
-    newtime.actime = time (NULL);
-    utime (ctx->path, &newtime);
-  }
-#endif
-
   if (!ctx->readonly)
     ctx->readonly = access (ctx->path, W_OK) ? 1 : 0;
 
@@ -256,7 +238,7 @@ int mbox_parse_mailbox (CONTEXT * ctx)
      date received */
   tz = mutt_local_tz (0);
 
-  loc = ftell (ctx->fp);
+  loc = ftello (ctx->fp);
   while (fgets (buf, sizeof (buf), ctx->fp) != NULL) {
     if (is_from (buf, return_path, sizeof (return_path), &t)) {
       /* Save the Content-Length of the previous message */
@@ -276,12 +258,12 @@ int mbox_parse_mailbox (CONTEXT * ctx)
 
       if (!ctx->quiet && ReadInc && ((count % ReadInc == 0) || count == 1))
         mutt_message (_("Reading %s... %d (%d%%)"), ctx->path, count,
-                      (int) (ftell (ctx->fp) / (ctx->size / 100 + 1)));
+                      (int) (ftello (ctx->fp) / (ctx->size / 100 + 1)));
 
       if (ctx->msgcount == ctx->hdrmax)
         mx_alloc_memory (ctx);
 
-      curhdr = ctx->hdrs[ctx->msgcount] = mutt_new_header ();
+      curhdr = ctx->hdrs[ctx->msgcount] = header_new();
       curhdr->received = t - tz;
       curhdr->offset = loc;
       curhdr->index = ctx->msgcount;
@@ -293,9 +275,9 @@ int mbox_parse_mailbox (CONTEXT * ctx)
        * save time by not having to search for the next message marker).
        */
       if (curhdr->content->length > 0) {
-        long tmploc;
+        off_t tmploc;
 
-        loc = ftell (ctx->fp);
+        loc = ftello (ctx->fp);
         tmploc = loc + curhdr->content->length + 1;
 
         if (0 < tmploc && tmploc < ctx->size) {
@@ -303,16 +285,14 @@ int mbox_parse_mailbox (CONTEXT * ctx)
            * check to see if the content-length looks valid.  we expect to
            * to see a valid message separator at this point in the stream
            */
-          if (fseek (ctx->fp, tmploc, SEEK_SET) != 0 ||
+          if (fseeko (ctx->fp, tmploc, SEEK_SET) != 0 ||
               fgets (buf, sizeof (buf), ctx->fp) == NULL ||
-              safe_strncmp ("From ", buf, 5) != 0) {
-            dprint (1,
-                    (debugfile,
-                     "mbox_parse_mailbox: bad content-length in message %d (cl=%ld)\n",
-                     curhdr->index, curhdr->content->length));
-            dprint (1, (debugfile, "\tLINE: %s", buf));
-            if (fseek (ctx->fp, loc, SEEK_SET) != 0) {  /* nope, return the previous position */
-              dprint (1, (debugfile, "mbox_parse_mailbox: fseek() failed\n"));
+              m_strncmp("From ", buf, 5) != 0) {
+            debug_print (1, ("bad content-length in message %d (cl=%zd)\n",
+                             curhdr->index, curhdr->content->length));
+            debug_print (1, ("LINE: %s\n", buf));
+            if (fseeko (ctx->fp, loc, SEEK_SET) != 0) {  /* nope, return the previous position */
+              debug_print (1, ("fseeko() failed\n"));
             }
             curhdr->content->length = -1;
           }
@@ -332,8 +312,8 @@ int mbox_parse_mailbox (CONTEXT * ctx)
             int cl = curhdr->content->length;
 
             /* count the number of lines in this message */
-            if (fseek (ctx->fp, loc, SEEK_SET) != 0)
-              dprint (1, (debugfile, "mbox_parse_mailbox: fseek() failed\n"));
+            if (fseeko (ctx->fp, loc, SEEK_SET) != 0)
+              debug_print (1, ("fseeko() failed\n"));
             while (cl-- > 0) {
               if (fgetc (ctx->fp) == '\n')
                 curhdr->lines++;
@@ -341,8 +321,8 @@ int mbox_parse_mailbox (CONTEXT * ctx)
           }
 
           /* return to the offset of the next message separator */
-          if (fseek (ctx->fp, tmploc, SEEK_SET) != 0)
-            dprint (1, (debugfile, "mbox_parse_mailbox: fseek() failed\n"));
+          if (fseeko (ctx->fp, tmploc, SEEK_SET) != 0)
+            debug_print (1, ("fseeko() failed\n"));
         }
       }
 
@@ -353,14 +333,14 @@ int mbox_parse_mailbox (CONTEXT * ctx)
           rfc822_parse_adrlist (curhdr->env->return_path, return_path);
 
       if (!curhdr->env->from)
-        curhdr->env->from = rfc822_cpy_adr (curhdr->env->return_path);
+        curhdr->env->from = address_list_dup (curhdr->env->return_path);
 
       lines = 0;
     }
     else
       lines++;
 
-    loc = ftell (ctx->fp);
+    loc = ftello (ctx->fp);
   }
 
   /*
@@ -371,7 +351,7 @@ int mbox_parse_mailbox (CONTEXT * ctx)
    */
   if (count > 0) {
     if (PREV->content->length < 0) {
-      PREV->content->length = ftell (ctx->fp) - PREV->content->offset - 1;
+      PREV->content->length = ftello (ctx->fp) - PREV->content->offset - 1;
       if (PREV->content->length < 0)
         PREV->content->length = 0;
     }
@@ -388,7 +368,7 @@ int mbox_parse_mailbox (CONTEXT * ctx)
 #undef PREV
 
 /* open a mbox or mmdf style mailbox */
-int mbox_open_mailbox (CONTEXT * ctx)
+static int mbox_open_mailbox (CONTEXT * ctx)
 {
   int rc;
 
@@ -414,116 +394,6 @@ int mbox_open_mailbox (CONTEXT * ctx)
   return (rc);
 }
 
-/* return 1 if address lists are strictly identical */
-static int strict_addrcmp (const ADDRESS * a, const ADDRESS * b)
-{
-  while (a && b) {
-    if (safe_strcmp (a->mailbox, b->mailbox) ||
-        safe_strcmp (a->personal, b->personal))
-      return (0);
-
-    a = a->next;
-    b = b->next;
-  }
-  if (a || b)
-    return (0);
-
-  return (1);
-}
-
-static int strict_cmp_lists (const LIST * a, const LIST * b)
-{
-  while (a && b) {
-    if (safe_strcmp (a->data, b->data))
-      return (0);
-
-    a = a->next;
-    b = b->next;
-  }
-  if (a || b)
-    return (0);
-
-  return (1);
-}
-
-static int strict_cmp_envelopes (const ENVELOPE * e1, const ENVELOPE * e2)
-{
-  if (e1 && e2) {
-    if (safe_strcmp (e1->message_id, e2->message_id) ||
-        safe_strcmp (e1->subject, e2->subject) ||
-        !strict_cmp_lists (e1->references, e2->references) ||
-        !strict_addrcmp (e1->from, e2->from) ||
-        !strict_addrcmp (e1->sender, e2->sender) ||
-        !strict_addrcmp (e1->reply_to, e2->reply_to) ||
-        !strict_addrcmp (e1->to, e2->to) ||
-        !strict_addrcmp (e1->cc, e2->cc) ||
-        !strict_addrcmp (e1->return_path, e2->return_path))
-      return (0);
-    else
-      return (1);
-  }
-  else {
-    if (e1 == NULL && e2 == NULL)
-      return (1);
-    else
-      return (0);
-  }
-}
-
-static int strict_cmp_parameters (const PARAMETER * p1, const PARAMETER * p2)
-{
-  while (p1 && p2) {
-    if (safe_strcmp (p1->attribute, p2->attribute) ||
-        safe_strcmp (p1->value, p2->value))
-      return (0);
-
-    p1 = p1->next;
-    p2 = p2->next;
-  }
-  if (p1 || p2)
-    return (0);
-
-  return (1);
-}
-
-static int strict_cmp_bodies (const BODY * b1, const BODY * b2)
-{
-  if (b1->type != b2->type ||
-      b1->encoding != b2->encoding ||
-      safe_strcmp (b1->subtype, b2->subtype) ||
-      safe_strcmp (b1->description, b2->description) ||
-      !strict_cmp_parameters (b1->parameter, b2->parameter) ||
-      b1->length != b2->length)
-    return (0);
-  return (1);
-}
-
-/* return 1 if headers are strictly identical */
-int mbox_strict_cmp_headers (const HEADER * h1, const HEADER * h2)
-{
-  if (h1 && h2) {
-    if (h1->received != h2->received ||
-        h1->date_sent != h2->date_sent ||
-        h1->content->length != h2->content->length ||
-        h1->lines != h2->lines ||
-        h1->zhours != h2->zhours ||
-        h1->zminutes != h2->zminutes ||
-        h1->zoccident != h2->zoccident ||
-        h1->mime != h2->mime ||
-        !strict_cmp_envelopes (h1->env, h2->env) ||
-        !strict_cmp_bodies (h1->content, h2->content))
-      return (0);
-    else
-      return (1);
-  }
-  else {
-    if (h1 == NULL && h2 == NULL)
-      return (1);
-    else
-      return (0);
-  }
-}
-
 /* check to see if the mailbox has changed on disk.
  *
  * return values:
@@ -533,7 +403,7 @@ int mbox_strict_cmp_headers (const HEADER * h1, const HEADER * h2)
  *	0		no change
  *	-1		error
  */
-int mbox_check_mailbox (CONTEXT * ctx, int *index_hint)
+static int _mbox_check_mailbox (CONTEXT * ctx, int *index_hint)
 {
   struct stat st;
   char buffer[LONG_STRING];
@@ -571,13 +441,13 @@ int mbox_check_mailbox (CONTEXT * ctx, int *index_hint)
        * see the message separator at *exactly* what used to be the end of the
        * folder.
        */
-      if (fseek (ctx->fp, ctx->size, SEEK_SET) != 0)
-        dprint (1, (debugfile, "mbox_check_mailbox: fseek() failed\n"));
+      if (fseeko (ctx->fp, ctx->size, SEEK_SET) != 0)
+        debug_print (1, ("fseeko() failed\n"));
       if (fgets (buffer, sizeof (buffer), ctx->fp) != NULL) {
-        if ((ctx->magic == M_MBOX && safe_strncmp ("From ", buffer, 5) == 0)
-            || (ctx->magic == M_MMDF && safe_strcmp (MMDF_SEP, buffer) == 0)) {
-          if (fseek (ctx->fp, ctx->size, SEEK_SET) != 0)
-            dprint (1, (debugfile, "mbox_check_mailbox: fseek() failed\n"));
+        if ((ctx->magic == M_MBOX && m_strncmp("From ", buffer, 5) == 0)
+            || (ctx->magic == M_MMDF && m_strcmp(MMDF_SEP, buffer) == 0)) {
+          if (fseeko (ctx->fp, ctx->size, SEEK_SET) != 0)
+            debug_print (1, ("fseeko() failed\n"));
           if (ctx->magic == M_MBOX)
             mbox_parse_mailbox (ctx);
           else
@@ -599,7 +469,7 @@ int mbox_check_mailbox (CONTEXT * ctx, int *index_hint)
           modified = 1;
       }
       else {
-        dprint (1, (debugfile, "mbox_check_mailbox: fgets returned NULL.\n"));
+        debug_print (1, ("fgets returned NULL.\n"));
         modified = 1;
       }
     }
@@ -627,11 +497,31 @@ int mbox_check_mailbox (CONTEXT * ctx, int *index_hint)
   return (-1);
 }
 
+static int mbox_check_mailbox (CONTEXT* ctx, int* index_hint, int lock) {
+  int rc = 0;
+
+  if (lock) {
+    mutt_block_signals ();
+    if (mbox_lock_mailbox (ctx, 0, 0) == -1) {
+      mutt_unblock_signals ();
+      return M_LOCKED;
+    }
+  }
+
+  rc = _mbox_check_mailbox (ctx, index_hint);
+
+  if (lock) {
+    mutt_unblock_signals ();
+    mbox_unlock_mailbox (ctx);
+  }
+  return rc;
+}
+
 /* return values:
  *	0	success
  *	-1	failure
  */
-int mbox_sync_mailbox (CONTEXT * ctx, int *index_hint)
+static int _mbox_sync_mailbox (CONTEXT * ctx, int unused __attribute__ ((unused)), int *index_hint)
 {
   char tempfile[_POSIX_PATH_MAX];
   char buf[32];
@@ -639,7 +529,7 @@ int mbox_sync_mailbox (CONTEXT * ctx, int *index_hint)
   int rc = -1;
   int need_sort = 0;            /* flag to resort mailbox if new mail arrives */
   int first = -1;               /* first message to be written */
-  long offset;                  /* location in mailbox to write changed messages */
+  off_t offset;                /* location in mailbox to write changed messages */
   struct stat statbuf;
   struct utimbuf utimebuf;
   struct m_update_t *newOffset = NULL;
@@ -651,6 +541,8 @@ int mbox_sync_mailbox (CONTEXT * ctx, int *index_hint)
     save_sort = Sort;
     Sort = SORT_ORDER;
     mutt_sort_headers (ctx, 0);
+    Sort = save_sort;
+    need_sort = 1;
   }
 
   /* need to open the file for writing in such a way that it does not truncate
@@ -673,18 +565,16 @@ int mbox_sync_mailbox (CONTEXT * ctx, int *index_hint)
   }
 
   /* Check to make sure that the file hasn't changed on disk */
-  if ((i = mbox_check_mailbox (ctx, index_hint)) == M_NEW_MAIL
+  if ((i = _mbox_check_mailbox (ctx, index_hint)) == M_NEW_MAIL
       || i == M_REOPENED) {
     /* new mail arrived, or mailbox reopened */
     need_sort = i;
     rc = i;
     goto bail;
   }
-  else if (i < 0) {
+  else if (i < 0)
     /* fatal error */
-    Sort = save_sort;
     return (-1);
-  }
 
   /* Create a temporary file to write the new version of the mailbox in. */
   mutt_mktemp (tempfile);
@@ -713,7 +603,7 @@ int mbox_sync_mailbox (CONTEXT * ctx, int *index_hint)
     mutt_error
       _("sync: mbox modified, but no modified messages! (report this bug)");
     mutt_sleep (5);             /* the mutt_error /will/ get cleared! */
-    dprint (1, (debugfile, "mbox_sync_mailbox(): no modified messages.\n"));
+    debug_print (1, ("no modified messages.\n"));
     unlink (tempfile);
     goto bail;
   }
@@ -730,8 +620,8 @@ int mbox_sync_mailbox (CONTEXT * ctx, int *index_hint)
     offset -= (sizeof MMDF_SEP - 1);
 
   /* allocate space for the new offsets */
-  newOffset = safe_calloc (ctx->msgcount - first, sizeof (struct m_update_t));
-  oldOffset = safe_calloc (ctx->msgcount - first, sizeof (struct m_update_t));
+  newOffset = p_new(struct m_update_t, ctx->msgcount - first);
+  oldOffset = p_new(struct m_update_t, ctx->msgcount - first);
 
   for (i = first, j = 0; i < ctx->msgcount; i++) {
     /*
@@ -749,7 +639,7 @@ int mbox_sync_mailbox (CONTEXT * ctx, int *index_hint)
       j++;
       if (!ctx->quiet && WriteInc && ((i % WriteInc) == 0 || j == 1))
         mutt_message (_("Writing messages... %d (%d%%)"), i,
-                      (int) (ftell (ctx->fp) / (ctx->size / 100 + 1)));
+                      (int) (ftello (ctx->fp) / (ctx->size / 100 + 1)));
 
       if (ctx->magic == M_MMDF) {
         if (fputs (MMDF_SEP, fp) == EOF) {
@@ -765,7 +655,7 @@ int mbox_sync_mailbox (CONTEXT * ctx, int *index_hint)
        * temporary file only contains saved message which are located after
        * `offset' in the real mailbox
        */
-      newOffset[i - first].hdr = ftell (fp) + offset;
+      newOffset[i - first].hdr = ftello (fp) + offset;
 
       if (mutt_copy_message
           (fp, ctx, ctx->hdrs[i], M_CM_UPDATE,
@@ -783,7 +673,7 @@ int mbox_sync_mailbox (CONTEXT * ctx, int *index_hint)
        * if the user accesses it later.
        */
       newOffset[i - first].body =
-        ftell (fp) - ctx->hdrs[i]->content->length + offset;
+        ftello (fp) - ctx->hdrs[i]->content->length + offset;
       mutt_free_body (&ctx->hdrs[i]->content->parts);
 
       switch (ctx->magic) {
@@ -808,8 +698,7 @@ int mbox_sync_mailbox (CONTEXT * ctx, int *index_hint)
 
   if (fclose (fp) != 0) {
     fp = NULL;
-    dprint (1,
-            (debugfile, "mbox_sync_mailbox: fclose() returned non-zero.\n"));
+    debug_print (1, ("fclose() returned non-zero.\n"));
     unlink (tempfile);
     mutt_perror (tempfile);
     mutt_sleep (5);
@@ -828,29 +717,25 @@ int mbox_sync_mailbox (CONTEXT * ctx, int *index_hint)
   if ((fp = fopen (tempfile, "r")) == NULL) {
     mutt_unblock_signals ();
     mx_fastclose_mailbox (ctx);
-    dprint (1,
-            (debugfile,
-             "mbox_sync_mailbox: unable to reopen temp copy of mailbox!\n"));
+    debug_print (1, ("unable to reopen temp copy of mailbox!\n"));
     mutt_perror (tempfile);
     mutt_sleep (5);
     return (-1);
   }
 
-  if (fseek (ctx->fp, offset, SEEK_SET) != 0 || /* seek the append location */
+  if (fseeko (ctx->fp, offset, SEEK_SET) != 0 || /* seek the append location */
       /* do a sanity check to make sure the mailbox looks ok */
       fgets (buf, sizeof (buf), ctx->fp) == NULL ||
-      (ctx->magic == M_MBOX && safe_strncmp ("From ", buf, 5) != 0) ||
-      (ctx->magic == M_MMDF && safe_strcmp (MMDF_SEP, buf) != 0)) {
-    dprint (1,
-            (debugfile,
-             "mbox_sync_mailbox: message not in expected position."));
-    dprint (1, (debugfile, "\tLINE: %s\n", buf));
+      (ctx->magic == M_MBOX && m_strncmp("From ", buf, 5) != 0) ||
+      (ctx->magic == M_MMDF && m_strcmp(MMDF_SEP, buf) != 0)) {
+    debug_print (1, ("message not in expected position.\n"));
+    debug_print (1, ("LINE: %s\n", buf));
     i = -1;
   }
   else {
-    if (fseek (ctx->fp, offset, SEEK_SET) != 0) {       /* return to proper offset */
+    if (fseeko (ctx->fp, offset, SEEK_SET) != 0) {       /* return to proper offset */
       i = -1;
-      dprint (1, (debugfile, "mbox_sync_mailbox: fseek() failed\n"));
+      debug_print (1, ("fseeko() failed\n"));
     }
     else {
       /* copy the temp mailbox back into place starting at the first
@@ -864,7 +749,7 @@ int mbox_sync_mailbox (CONTEXT * ctx, int *index_hint)
         i = -1;
     }
     if (i == 0) {
-      ctx->size = ftell (ctx->fp);      /* update the size of the mailbox */
+      ctx->size = ftello (ctx->fp);      /* update the size of the mailbox */
       ftruncate (fileno (ctx->fp), ctx->size);
     }
   }
@@ -903,8 +788,6 @@ int mbox_sync_mailbox (CONTEXT * ctx, int *index_hint)
     mutt_unblock_signals ();
     mx_fastclose_mailbox (ctx);
     mutt_error _("Fatal error!  Could not reopen mailbox!");
-
-    Sort = save_sort;
     return (-1);
   }
 
@@ -917,11 +800,10 @@ int mbox_sync_mailbox (CONTEXT * ctx, int *index_hint)
       ctx->hdrs[i]->index = j++;
     }
   }
-  FREE (&newOffset);
-  FREE (&oldOffset);
+  p_delete(&newOffset);
+  p_delete(&oldOffset);
   unlink (tempfile);            /* remove partial copy of the mailbox */
   mutt_unblock_signals ();
-  Sort = save_sort;             /* Restore the default value. */
 
   return (0);                   /* signal success */
 
@@ -944,8 +826,8 @@ bail:                          /* Come here in case of disaster */
   mbox_unlock_mailbox (ctx);
 
   mutt_unblock_signals ();
-  FREE (&newOffset);
-  FREE (&oldOffset);
+  p_delete(&newOffset);
+  p_delete(&oldOffset);
 
   if ((ctx->fp = freopen (ctx->path, "r", ctx->fp)) == NULL) {
     mutt_error _("Could not reopen mailbox!");
@@ -954,32 +836,41 @@ bail:                          /* Come here in case of disaster */
     return (-1);
   }
 
-  if (need_sort || save_sort != Sort) {
-    Sort = save_sort;
+  if (need_sort)
     /* if the mailbox was reopened, the thread tree will be invalid so make
      * sure to start threading from scratch.  */
     mutt_sort_headers (ctx, (need_sort == M_REOPENED));
-  }
 
   return rc;
 }
 
+static int mbox_sync_mailbox (CONTEXT * ctx, int unused, int *index_hint) {
+#ifdef BUFFY_SIZE
+  BUFFY* tmp = NULL;
+#endif
+  int rc = _mbox_sync_mailbox (ctx, unused, index_hint);
+
+#ifdef BUFFY_SIZE
+  if ((tmp = buffy_find_mailbox (ctx->path)) && tmp->new == 0)
+    buffy_update_mailbox (tmp);
+#endif
+  return (rc);
+}
+
 /* close a mailbox opened in write-mode */
 int mbox_close_mailbox (CONTEXT * ctx)
 {
   mx_unlock_file (ctx->path, fileno (ctx->fp), 1);
 
-#ifdef USE_COMPRESSED
   if (ctx->compressinfo)
     mutt_slow_close_compressed (ctx);
-#endif
 
   mutt_unblock_signals ();
   mx_fastclose_mailbox (ctx);
   return 0;
 }
 
-int mbox_reopen_mailbox (CONTEXT * ctx, int *index_hint)
+static int mbox_reopen_mailbox (CONTEXT * ctx, int *index_hint)
 {
   int (*cmp_headers) (const HEADER *, const HEADER *) = NULL;
   HEADER **old_hdrs;
@@ -1013,11 +904,11 @@ int mbox_reopen_mailbox (CONTEXT * ctx, int *index_hint)
   if (ctx->subj_hash)
     hash_destroy (&ctx->subj_hash, NULL);
   mutt_clear_threads (ctx);
-  FREE (&ctx->v2r);
+  p_delete(&ctx->v2r);
   if (ctx->readonly) {
     for (i = 0; i < ctx->msgcount; i++)
-      mutt_free_header (&(ctx->hdrs[i]));       /* nothing to do! */
-    FREE (&ctx->hdrs);
+      header_delete(&(ctx->hdrs[i]));       /* nothing to do! */
+    p_delete(&ctx->hdrs);
   }
   else {
     /* save the old headers */
@@ -1041,12 +932,12 @@ int mbox_reopen_mailbox (CONTEXT * ctx, int *index_hint)
   switch (ctx->magic) {
   case M_MBOX:
   case M_MMDF:
-    if (fseek (ctx->fp, 0, SEEK_SET) != 0) {
-      dprint (1, (debugfile, "mbox_reopen_mailbox: fseek() failed\n"));
+    if (fseeko (ctx->fp, 0, SEEK_SET) != 0) {
+      debug_print (1, ("fseeko() failed\n"));
       rc = -1;
     }
     else {
-      cmp_headers = mbox_strict_cmp_headers;
+      cmp_headers = mutt_cmp_header;
       if (ctx->magic == M_MBOX)
         rc = mbox_parse_mailbox (ctx);
       else
@@ -1062,8 +953,8 @@ int mbox_reopen_mailbox (CONTEXT * ctx, int *index_hint)
   if (rc == -1) {
     /* free the old headers */
     for (j = 0; j < old_msgcount; j++)
-      mutt_free_header (&(old_hdrs[j]));
-    FREE (&old_hdrs);
+      header_delete(&(old_hdrs[j]));
+    p_delete(&old_hdrs);
 
     ctx->quiet = 0;
     return (-1);
@@ -1120,18 +1011,18 @@ int mbox_reopen_mailbox (CONTEXT * ctx, int *index_hint)
         mutt_set_flag (ctx, ctx->hdrs[i], M_TAG, old_hdrs[j]->tagged);
 
         /* we don't need this header any more */
-        mutt_free_header (&(old_hdrs[j]));
+        header_delete(&(old_hdrs[j]));
       }
     }
 
     /* free the remaining old headers */
     for (j = 0; j < old_msgcount; j++) {
       if (old_hdrs[j]) {
-        mutt_free_header (&(old_hdrs[j]));
+        header_delete(&(old_hdrs[j]));
         msg_mod = 1;
       }
     }
-    FREE (&old_hdrs);
+    p_delete(&old_hdrs);
   }
 
   ctx->quiet = 0;
@@ -1155,16 +1046,15 @@ int mbox_check_empty (const char *path)
   return ((st.st_size == 0));
 }
 
-int mbox_is_magic (const char* path) {
-  struct stat st;
-  int magic = 0;
+int mbox_is_magic (const char* path, struct stat* st) {
+  int magic = -1;
   FILE* f;
   char tmp[_POSIX_PATH_MAX];
 
-  if (stat (path, &st) == -1)
+  if (S_ISDIR(st->st_mode))
     return (-1);
 
-  if (st.st_size == 0) {
+  if (st->st_size == 0) {
     /* hard to tell what zero-length files are, so assume the default magic */
     if (DefaultMagic == M_MBOX || DefaultMagic == M_MMDF)
       return (DefaultMagic);
@@ -1176,9 +1066,9 @@ int mbox_is_magic (const char* path) {
     struct utimbuf times;
 #endif
     fgets (tmp, sizeof (tmp), f);
-    if (safe_strncmp ("From ", tmp, 5) == 0)
+    if (m_strncmp("From ", tmp, 5) == 0)
       magic = M_MBOX;
-    else if (safe_strcmp (MMDF_SEP, tmp) == 0)
+    else if (m_strcmp(MMDF_SEP, tmp) == 0)
       magic = M_MMDF;
     safe_fclose (&f);
 #ifndef BUFFY_SIZE
@@ -1186,8 +1076,8 @@ int mbox_is_magic (const char* path) {
      * only the type was accessed.  This is important, because detection
      * of "new mail" depends on those times set correctly.
      */
-    times.actime = st.st_atime;
-    times.modtime = st.st_mtime;
+    times.actime = st->st_atime;
+    times.modtime = st->st_mtime;
     utime (path, &times);
 #endif
   } else {
@@ -1195,30 +1085,52 @@ int mbox_is_magic (const char* path) {
     return (-1);         /* fopen failed */
   }
 
-#ifdef USE_COMPRESSED
-  if (magic == 0 && mutt_can_read_compressed (path))
+  if (magic == -1 && mutt_can_read_compressed (path))
     return (M_COMPRESSED);
-#endif
   return (magic);
 }
 
+static int commit_message (MESSAGE* msg, CONTEXT* ctx __attribute__ ((unused)), int mbox) {
+  if ((mbox && fputc ('\n', msg->fp) == EOF) ||
+      (!mbox && fputs (MMDF_SEP, msg->fp) == EOF))
+    return (-1);
+  if ((fflush (msg->fp) == EOF || fsync (fileno (msg->fp)) == -1)) {
+    mutt_perror (_("Can't write message"));
+    return (-1);
+  }
+  return (0);
+}
+
+static int mbox_commit_message (MESSAGE* msg, CONTEXT* ctx) {
+  return (commit_message (msg, ctx, 1));
+}
+
+static int mmdf_commit_message (MESSAGE* msg, CONTEXT* ctx) {
+  return (commit_message (msg, ctx, 0));
+}
+
 static mx_t* reg_mx (void) {
-  mx_t* fmt = safe_calloc (1, sizeof (mx_t));
+  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* 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);
 }