$OpenBSD: patch-pine_mailview_c,v 1.2 2004/08/10 23:47:05 tdeval Exp $
--- pine/mailview.c.orig	Thu Jul 15 02:25:10 2004
+++ pine/mailview.c	Tue Aug 10 23:43:40 2004
@@ -4306,6 +4306,9 @@
     char	   buf[256], color[256];
     HANDLE_S	  *h;
 
+    if (line == NULL)
+	return (-1);
+
     for(lp = line; ; lp = up + n){
 	/* scan for all of them so we can choose the first */
 	if(F_ON(F_VIEW_SEL_URL,ps_global))
@@ -4381,6 +4384,9 @@
     static int     check_for_urls = 0;
     register char *lp;
 
+    if (line == NULL)
+	return (-1);
+
     if(isspace((unsigned char)*line))	/* continuation, check or not 
 					   depending on last line */
       lp = line;
@@ -4424,7 +4430,7 @@
 {
     register char *lp;
 
-    if((lp = strchr(line, ':')) &&
+    if(line && (lp = strchr(line, ':')) &&
        !strncmp(line, AB_COMMENT_STR, strlen(AB_COMMENT_STR)))
       (void) url_hilite(linenum, lp + 1, ins, local);
 
