X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=sbr%2Fseq_msgstats.c;h=50ae7c68f582f6833cff6818e7284785d8439158;hp=40b84746d42df5f26109024422e6a7168d11d650;hb=d4bcca1aa235370bc20bc2734c0cd6f700b17871;hpb=0347722f5b69de06a867b73ddc23388d082ab219

diff --git a/sbr/seq_msgstats.c b/sbr/seq_msgstats.c
index 40b8474..50ae7c6 100644
--- a/sbr/seq_msgstats.c
+++ b/sbr/seq_msgstats.c
@@ -4,13 +4,14 @@
 ** (These functions had once been macros in h/mh.h)
 */
 
+#include <sysexits.h>
 #include <h/mh.h>
 
 static void
 assert_msg_range(struct msgs *mp, int msgnum)
 {
 	if (msgnum < mp->lowoff || msgnum > mp->hghoff) {
-		adios(NULL, "Bug: message out of bounds");
+		adios(EX_SOFTWARE, NULL, "Bug: message out of bounds");
 	}
 }
 
@@ -97,7 +98,19 @@ void
 set_selected(struct msgs *mp, int msgnum)
 {
 	assert_msg_range(mp, msgnum);
+
+	if (is_selected(mp, msgnum)) {
+		return;
+	}
+
 	mp->msgstats[msgnum - mp->lowoff] |= SELECTED;
+	if (mp->lowsel == 0 || msgnum < mp->lowsel) {
+		mp->lowsel = msgnum;
+	}
+	if (msgnum > mp->hghsel) {
+		mp->hghsel = msgnum;
+	}
+	mp->numsel++;
 }
 
 void
@@ -118,7 +131,15 @@ void
 unset_selected(struct msgs *mp, int msgnum)
 {
 	assert_msg_range(mp, msgnum);
+
+	if (!is_selected(mp, msgnum)) {
+		return;
+	}
+
 	mp->msgstats[msgnum - mp->lowoff] &= ~SELECTED;
+	if (mp->numsel > 0) {
+		mp->numsel--;
+	}
 }
 
 void