X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/13ae9ba066e6b8c114daa6714895a56816465f49..d8a78332490cd5a5928d6a23d06797ca9caa2b45:/sbr/seq_add.c

diff --git a/sbr/seq_add.c b/sbr/seq_add.c
index 0bdcfdfe..d5109b0d 100644
--- a/sbr/seq_add.c
+++ b/sbr/seq_add.c
@@ -67,7 +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);
     }
@@ -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);
     }