From: Thomas Roessler <roessler@does-not-exist.org>
Date: Wed, 7 Oct 1998 22:18:38 +0000 (+0000)
Subject: POP3 LAST support.  From Jason Lavoie <jason@mint.net> by way of
X-Git-Tag: mutt-0-94-13-rel~43
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a8647e2b2b8b9760204865e3e531a4b704443835;p=mutt

POP3 LAST support.  From Jason Lavoie <jason@mint.net> by way of
Michael Elkins.
---

diff --git a/Muttrc.in b/Muttrc.in
index c89aeea6..fd9847a7 100644
--- a/Muttrc.in
+++ b/Muttrc.in
@@ -212,4 +212,4 @@ macro pager \cb |urlview\n 'call urlview to extract URLs out of a message'
 # set pop_port=110
 # set pop_pass=""
 # set pop_user=""
-
+# unset pop_last
diff --git a/doc/manual.sgml b/doc/manual.sgml
index 7ef59f35..27333638 100644
--- a/doc/manual.sgml
+++ b/doc/manual.sgml
@@ -3496,6 +3496,14 @@ Default: none
 
 The name or address of your POP3 server.
 
+<sect2>pop&lowbar;last<label id="pop_last">
+<p>
+Type: boolean<newline>
+Default: unset
+
+If this variable is set, mutt will try to use the "LAST" POP command
+for retrieving only unread messages from the POP server.
+
 <sect2>pop&lowbar;pass<label id="pop_pass">
 <p>
 Type: string<newline>
diff --git a/init.h b/init.h
index e4204b41..d7a270b7 100644
--- a/init.h
+++ b/init.h
@@ -210,6 +210,7 @@ struct option_t MuttVars[] = {
 #ifdef USE_POP
   { "pop_delete",	DT_BOOL, R_NONE, OPTPOPDELETE, 0 },
   { "pop_host",		DT_STR,	 R_NONE, UL &PopHost, UL "" },
+  { "pop_last",		DT_BOOL, R_NONE, OPTPOPLAST, 0 },
   { "pop_port",		DT_NUM,	 R_NONE, UL &PopPort, 110 },
   { "pop_pass",		DT_STR,	 R_NONE, UL &PopPass, UL "" },
   { "pop_user",		DT_STR,	 R_NONE, UL &PopUser, UL "" },
diff --git a/mutt.h b/mutt.h
index 21d7ac65..f0219d6d 100644
--- a/mutt.h
+++ b/mutt.h
@@ -305,6 +305,7 @@ enum
   OPTPIPEDECODE,
   OPTPIPESPLIT,
   OPTPOPDELETE,
+  OPTPOPLAST,
   OPTPROMPTAFTER,
   OPTREADONLY,
   OPTRESOLVE,
diff --git a/pop.c b/pop.c
index ee08e9e9..3c7c7788 100644
--- a/pop.c
+++ b/pop.c
@@ -82,7 +82,7 @@ void mutt_fetchPopMail (void)
   struct hostent *he;
   char buffer[2048];
   char msgbuf[SHORT_STRING];
-  int s, i, msgs, bytes, err = 0;
+  int s, i, last = 0, msgs, bytes, err = 0;
   CONTEXT ctx;
   MESSAGE *msg = NULL;
 
@@ -191,12 +191,26 @@ void mutt_fetchPopMail (void)
   if (mx_open_mailbox (NONULL(Spoolfile), M_APPEND, &ctx) == NULL)
     goto finish;
 
+  /* only get unread messages */
+  if(option(OPTPOPLAST))
+  {
+    write (s, "last\r\n", 6);
+    if (getLine (s, buffer, sizeof (buffer)) == -1)
+      goto fail;
+    
+    if (strncmp (buffer, "+OK", 3) == 0)
+      sscanf (buffer, "+OK %d", &last);
+    else
+      /* ignore an error here and assume all messages are new */
+      last = 0;
+  }
+  
   snprintf (msgbuf, sizeof (msgbuf),
 	    msgs > 1 ? _("Reading %d new message (%d bytes)...") :
-		    ("Reading %d new messages (%d bytes)..."), msgs, bytes);
+		    ("Reading %d new messages (%d bytes)..."), msgs - last, bytes);
   mutt_message (msgbuf);
 
-  for (i = 1 ; i <= msgs ; i++)
+  for (i = last + 1 ; i <= msgs ; i++)
   {
     snprintf (buffer, sizeof(buffer), "retr %d\r\n", i);
     write (s, buffer, strlen (buffer));