summaryrefslogtreecommitdiff
path: root/usr.bin/dc/dc.c
diff options
context:
space:
mode:
authorOtto Moerbeek <otto@cvs.openbsd.org>2006-03-24 21:13:46 +0000
committerOtto Moerbeek <otto@cvs.openbsd.org>2006-03-24 21:13:46 +0000
commit89394212b6cf9fa13711a2cf91e4d5c307aeb8c2 (patch)
treeb23ba33fdcd8817b2e920fee8f787627146677e1 /usr.bin/dc/dc.c
parentd572705eefb36ad471cccb729541c936e90b5e95 (diff)
For those of us (including me) who can't type: show an error message if
the argument is a dir. ok tom@ commit #1000 in slighlty less than 1000 days of commit access :-)
Diffstat (limited to 'usr.bin/dc/dc.c')
-rw-r--r--usr.bin/dc/dc.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/usr.bin/dc/dc.c b/usr.bin/dc/dc.c
index 7f249a8576a..6805a23e183 100644
--- a/usr.bin/dc/dc.c
+++ b/usr.bin/dc/dc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: dc.c,v 1.7 2006/01/15 19:11:59 otto Exp $ */
+/* $OpenBSD: dc.c,v 1.8 2006/03/24 21:13:45 otto Exp $ */
/*
* Copyright (c) 2003, Otto Moerbeek <otto@drijf.net>
@@ -17,10 +17,12 @@
*/
#ifndef lint
-static const char rcsid[] = "$OpenBSD: dc.c,v 1.7 2006/01/15 19:11:59 otto Exp $";
+static const char rcsid[] = "$OpenBSD: dc.c,v 1.8 2006/03/24 21:13:45 otto Exp $";
#endif /* not lint */
+#include <sys/stat.h>
#include <err.h>
+#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
@@ -46,6 +48,8 @@ main(int argc, char *argv[])
FILE *file;
struct source src;
char *buf, *p;
+ struct stat st;
+
if ((buf = strdup("")) == NULL)
err(1, NULL);
@@ -85,6 +89,13 @@ main(int argc, char *argv[])
return (0);
}
if (argc == 1) {
+ if (stat(argv[0], &st) == -1)
+ err(1, "%s", argv[0]);
+ if (S_ISDIR(st.st_mode)) {
+ errno = EISDIR;
+ err(1, "%s", argv[0]);
+ }
+
file = fopen(argv[0], "r");
if (file == NULL)
err(1, "cannot open file %s", argv[0]);