Improve the error message in case somebody has configured an invalid PAGER.

Suggested by Lorenzo Beretta <lory dot fulgi at infinito dot it>.

diff --git a/usr.bin/mandoc/main.c b/usr.bin/mandoc/main.c
index 859e844..f8e4f1a 100644 (file)
--- a/usr.bin/mandoc/main.c
+++ b/usr.bin/mandoc/main.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: main.c,v 1.142 2015/04/20 09:54:34 schwarze Exp $ */
+/*     $OpenBSD: main.c,v 1.143 2015/04/29 11:03:48 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2012, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
@@ -1002,7 +1002,7 @@ spawn_pager(void)
        /* Hand over to the pager. */
 
        execvp(argv[0], argv);
-       fprintf(stderr, "%s: exec: %s\n",
-           progname, strerror(errno));
+       fprintf(stderr, "%s: exec %s: %s\n",
+           progname, argv[0], strerror(errno));
        exit((int)MANDOCLEVEL_SYSERR);
 }