X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/1d03fb9aeca8ed1d59e41b938629e9d9ff8f49bf..0e63441e27dc4064392471670d77fde54fa48c0e:/uip/mhical.c

diff --git a/uip/mhical.c b/uip/mhical.c
index 650b9821..3249d085 100644
--- a/uip/mhical.c
+++ b/uip/mhical.c
@@ -29,7 +29,7 @@ static void convert_common (contentline *, act);
 static void dump_unfolded (FILE *, contentline *);
 static void output (FILE *, contentline *, int);
 static void display (FILE *, contentline *, char *);
-static const char *identity (const contentline *);
+static const char *identity (const contentline *) PURE;
 static char *format_params (char *, param_list *);
 static char *fold (char *, int);
 
@@ -714,7 +714,7 @@ display (FILE *file, contentline *clines, char *nfs) {
     }
 
     /* Don't call on the END:VCALENDAR line. */
-    if (clines->next) {
+    if (clines  &&  clines->next) {
       (void) fmt_scan (fmt, buffer, INT_MAX, dat, NULL);
       fputs (charstring_buffer (buffer), file);
       fmt_free (fmt, 1);