From 200144b6213bfdd12ecfbe74183c07cc850ae09f Mon Sep 17 00:00:00 2001
From: Derek Schrock <dereks@lifeofadishwasher.com>
Date: Sun, 20 Sep 2015 20:37:47 -0400
Subject: [PATCH] Add new optional index_format expandos %r and %R.

These generate a comma separated list of all the To and Cc recipients.

Also, increase the attribution buffer size to accommodate these new
expandos.
---
 UPDATING  |  4 ++++
 hdrline.c | 18 ++++++++++++++++++
 init.h    |  2 ++
 send.c    |  2 +-
 4 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/UPDATING b/UPDATING
index 44a36efc..f05478ea 100644
--- a/UPDATING
+++ b/UPDATING
@@ -4,6 +4,10 @@ mutt. Please read this file carefully when upgrading your installation.
 The keys used are:
   !: modified feature, -: deleted feature, +: new feature
 
+default (unreleased):
+  + New expandos %r and %R for comma separated list of To: and Cc:
+    recipients respectively
+
 1.5.24 (2015-08-31):
 
   + terminal status-line (TS) support, a.k.a. xterm title. see the
diff --git a/hdrline.c b/hdrline.c
index 21adc282..b844411e 100644
--- a/hdrline.c
+++ b/hdrline.c
@@ -219,6 +219,8 @@ int mutt_user_is_recipient (HEADER *h)
  * %N = score
  * %O = like %L, except using address instead of name
  * %P = progress indicator for builtin pager
+ * %r = comma separated list of To: recipients
+ * %R = comma separated list of Cc: recipients
  * %s = subject
  * %S = short message status (e.g., N/O/D/!/r/-)
  * %t = `to:' field (recipients)
@@ -548,6 +550,22 @@ hdr_format_str (char *dest,
       strfcpy(dest, NONULL(hfi->pager_progress), destlen);
       break;
 
+    case 'r':
+      buf2[0] = 0;
+      rfc822_write_address(buf2, sizeof(buf2), hdr->env->to, 1);
+      if (optional && buf2[0] == '\0')
+        optional = 0;
+      mutt_format_s (dest, destlen, prefix, buf2);
+      break;
+
+    case 'R':
+      buf2[0] = 0;
+      rfc822_write_address(buf2, sizeof(buf2), hdr->env->cc, 1);
+      if (optional && buf2[0] == '\0')
+        optional = 0;
+      mutt_format_s (dest, destlen, prefix, buf2);
+      break;
+
     case 's':
       
       if (flags & M_FORMAT_TREE && !hdr->collapsed)
diff --git a/init.h b/init.h
index 569f91e6..60686033 100644
--- a/init.h
+++ b/init.h
@@ -1311,6 +1311,8 @@ struct option_t MuttVars[] = {
   **            stashed the message: list name or recipient name
   **            if not sent to a list
   ** .dt %P .dd progress indicator for the built-in pager (how much of the file has been displayed)
+  ** .dt %r .dd comma separated list of ``To:'' recipients
+  ** .dt %R .dd comma separated list of ``Cc:'' recipients
   ** .dt %s .dd subject of the message
   ** .dt %S .dd status of the message (``N''/``D''/``d''/``!''/``r''/\(as)
   ** .dt %t .dd ``To:'' field (recipients)
diff --git a/send.c b/send.c
index 0c8714d9..d5a61fb0 100644
--- a/send.c
+++ b/send.c
@@ -398,7 +398,7 @@ static int include_forward (CONTEXT *ctx, HEADER *cur, FILE *out)
 
 void mutt_make_attribution (CONTEXT *ctx, HEADER *cur, FILE *out)
 {
-  char buffer[STRING];
+  char buffer[LONG_STRING];
   if (Attribution)
   {
     mutt_make_string (buffer, sizeof (buffer), Attribution, ctx, cur);
-- 
2.40.0