X-Git-Url: http://git.marmaro.de/?a=blobdiff_plain;f=sbr%2Fseq_add.c;h=d5109b0dcb5b302a92c6c62b0ad7c11e0cb2412d;hb=7fd676d57355fd26c1127a79d9ba805973928316;hp=ff3e23a4544ec440fac052b8ab04ebdf24934fb8;hpb=6c42153ad9362cc676ea66563bf400d7511b3b68;p=mmh

diff --git a/sbr/seq_add.c b/sbr/seq_add.c
index ff3e23a..d5109b0 100644
--- a/sbr/seq_add.c
+++ b/sbr/seq_add.c
@@ -2,8 +2,6 @@
 /*
  * seq_add.c -- add message(s) to a sequence
  *
- * $Id$
- *
  * This code is Copyright (c) 2002, by the authors of nmh.  See the
  * COPYRIGHT file in the root directory of the nmh distribution for
  * complete copyright information.
@@ -27,7 +25,8 @@
 int
 seq_addsel (struct msgs *mp, char *cp, int public, int zero)
 {
-    int i, msgnum, new_seq = 1;
+    unsigned int i;
+    int msgnum, new_seq = 1;
 
     if (!seq_nameok (cp))
 	return 0;
@@ -68,7 +67,7 @@ seq_addsel (struct msgs *mp, char *cp, int public, int zero)
      * If sequence is new, or zero flag is set, then first
      * clear the bit for this sequence from all messages.
      */
-    if (new_seq || zero) {
+    if ((new_seq || zero) && mp->nummsg > 0) {
 	for (msgnum = mp->lowmsg; msgnum <= mp->hghmsg; msgnum++)
 	    clear_sequence (mp, i, msgnum);
     }
@@ -119,7 +118,8 @@ seq_addsel (struct msgs *mp, char *cp, int public, int zero)
 int
 seq_addmsg (struct msgs *mp, char *cp, int msgnum, int public, int zero)
 {
-    int i, j, new_seq = 1;
+    unsigned int i;
+    int j, new_seq = 1;
 
     if (!seq_nameok (cp))
 	return 0;
@@ -159,7 +159,7 @@ seq_addmsg (struct msgs *mp, char *cp, int msgnum, int public, int zero)
      * If sequence is new, or zero flag is set, then first
      * clear the bit for this sequence from all messages.
      */
-    if (new_seq || zero) {
+    if ((new_seq || zero) && mp->nummsg > 0) {
 	for (j = mp->lowmsg; j <= mp->hghmsg; j++)
 	    clear_sequence (mp, i, j);
     }