Package: alevt
Version: 1:1.6.2-5.1
Tags: patch
When alevt is used with DVB and none of the found TV services transmits
Teletext, alevt currently crashes, as it tries to display the properties
of the first found Teletext service - which does not exist.
The attached patch fixes this by returning an appropriate error in such
a case.
diff --git a/vbi.c b/vbi.c
index 0a030df..d0e6753 100644
--- a/vbi.c
+++ b/vbi.c
@@ -1077,6 +1077,10 @@ static int vbi_dvb_open(struct vbi *vbi, const char *vbi_name, const char *progn
break;
}
}
+ if (!progp) {
+ error("No Teletext service found\n");
+ goto outerr;
+ }
printf("Using: Service ID 0x%04x Type 0x%02x Provider Name \"%s\" Name \"%s\"\n"
" PMT PID 0x%04x TXT: PID 0x%04x lang %.3s type 0x%02x magazine %1u page %3u\n",
