A patch that allows multiple FCC separated by commas, written by Omen Wild

Original website: http://www.mandarb.com/mutt/
Bug asking for the inclusion: 586454

--- a/protos.h
+++ b/protos.h
@@ -362,6 +362,7 @@
 void mutt_update_num_postponed (void);
 int mutt_wait_filter (pid_t);
 int mutt_which_case (const char *);
+int mutt_write_multiple_fcc (const char *path, HEADER *hdr, const char *msgid, int, char *);
 int mutt_write_fcc (const char *path, HEADER *hdr, const char *msgid, int, char *);
 int mutt_write_mime_body (BODY *, FILE *);
 int mutt_write_mime_header (BODY *, FILE *);
--- a/send.c
+++ b/send.c
@@ -1735,7 +1735,7 @@
        * message was first postponed.
        */
       msg->received = time (NULL);
-      if (mutt_write_fcc (fcc, msg, NULL, 0, NULL) == -1)
+      if (mutt_write_multiple_fcc (fcc, msg, NULL, 0, NULL) == -1)
       {
 	/*
 	 * Error writing FCC, we should abort sending.
--- a/sendlib.c
+++ b/sendlib.c
@@ -2664,6 +2664,36 @@
   }
 }
 
+/* Handle a Fcc with multiple, comma separated entries. */
+int mutt_write_multiple_fcc (const char *path, HEADER *hdr, const char *msgid, int post, char *fcc) {
+   char fcc_tok[_POSIX_PATH_MAX];
+   char fcc_expanded[_POSIX_PATH_MAX];
+   char *tok = NULL;
+   int status;
+
+  strfcpy(fcc_tok, path, _POSIX_PATH_MAX);
+
+   tok = strtok(fcc_tok, ",");
+   dprint(1, (debugfile, "Fcc: initial mailbox = '%s'\n", tok));
+   /* mutt_expand_path already called above for the first token */
+   if((status = mutt_write_fcc (tok, hdr, NULL, 0, NULL)) != 0)
+	  return status;
+
+   while((tok = strtok(NULL, ",")) != NULL) {
+	  if(*tok) {
+		 /* Only call mutt_expand_path iff tok has some data */
+		 dprint(1, (debugfile, "Fcc: additional mailbox token = '%s'\n", tok));
+		 strfcpy(fcc_expanded, tok, sizeof(fcc_expanded));
+		 mutt_expand_path(fcc_expanded, sizeof(fcc_expanded));
+		 dprint(1, (debugfile, "     Additional mailbox expanded = '%s'\n", fcc_expanded));
+		 if((status = mutt_write_fcc (fcc_expanded, hdr, NULL, 0, NULL)) != 0)
+			return status;
+	  }
+   }
+
+   return 0;
+}
+
 int mutt_write_fcc (const char *path, HEADER *hdr, const char *msgid, int post, char *fcc)
 {
   CONTEXT f;