X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=sbr%2Fseq_add.c;h=fd18a117a15c24372df446534abcbc5ef0dba1d3;hp=5d0987ceea5fe1eb9379b9ba0e39a270146700e6;hb=6e9577f324bef90765a5edc02044eb111ec48072;hpb=d3ba09a465cb0e5fc9a74d0b152a7ed965f895cb

diff --git a/sbr/seq_add.c b/sbr/seq_add.c
index 5d0987c..fd18a11 100644
--- a/sbr/seq_add.c
+++ b/sbr/seq_add.c
@@ -24,7 +24,8 @@
 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;
@@ -65,7 +66,7 @@ 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 (mp->nummsg>0 && (new_seq || zero)) {
 		for (msgnum = mp->lowmsg; msgnum <= mp->hghmsg; msgnum++)
 			clear_sequence(mp, i, msgnum);
 	}
@@ -116,7 +117,8 @@ 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;
@@ -137,10 +139,8 @@ seq_addmsg(struct msgs *mp, char *cp, int msgnum, int public, int zero)
 		}
 	}
 
-	/*
-	** If this is a new sequence, add a slot for it
-	*/
 	if (new_seq) {
+		/* If this is a new sequence, add a slot for it */
 		if (i >= NUMATTRS) {
 			advise(NULL, "only %d sequences allowed (no room for %s)!", NUMATTRS, cp);
 			return 0;
@@ -152,24 +152,16 @@ seq_addmsg(struct msgs *mp, char *cp, int msgnum, int public, int zero)
 		mp->msgattrs[i + 1] = NULL;
 	}
 
-	/*
-	** 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 (mp->nummsg>0 && (new_seq || zero)) {
+		/* Clear the bit for this sequence from all messages. */
 		for (j = mp->lowmsg; j <= mp->hghmsg; j++)
 			clear_sequence(mp, i, j);
 	}
 
-	/*
-	** Now flip on the bit for this sequence
-	** for this particular message.
-	*/
+	/* Set the bit for this sequence for this particular message. */
 	add_sequence(mp, i, msgnum);
 
-	/*
-	** Set the public/private bit for this sequence.
-	*/
+	/* Set the public/private bit for this sequence. */
 	if (public == 1)
 		make_seq_public(mp, i);
 	else if (public == 0)