Make ``realpath'' behave like ``realpath .''.

2 files changed, 15 insertions, 11 deletions

diff --git a/bin/realpath/realpath.1 b/bin/realpath/realpath.1
index cf904ed..8df1047 100644
--- a/bin/realpath/realpath.1
+++ b/bin/realpath/realpath.1
@@ -33,7 +33,7 @@
 .\" From: src/bin/pwd/pwd.1,v 1.11 2000/11/20 11:39:39 ru Exp
 .\" $FreeBSD$
 .\"
-.Dd November 24, 2000
+.Dd June 21, 2011
 .Dt REALPATH 1
 .Os
 .Sh NAME
@@ -42,8 +42,7 @@
 .Sh SYNOPSIS
 .Nm
 .Op Fl q
-.Ar path
-.Op Ar ...
+.Op Ar path ...
 .Sh DESCRIPTION
 The
 .Nm
@@ -57,6 +56,11 @@ and
 .Pa /../
 in
 .Ar path .
+If
+.Ar path
+is absent, the current working directory
+.Pq Sq Pa .\&
+is assumed.
 .Pp
 If
 .Fl q
diff --git a/bin/realpath/realpath.c b/bin/realpath/realpath.c
index 99f5a9d5..a2ae06b 100644
--- a/bin/realpath/realpath.c
+++ b/bin/realpath/realpath.c
@@ -44,7 +44,8 @@ main(int argc, char *argv[])
 {
 	char buf[PATH_MAX];
 	char *p;
-	int ch, i, qflag, rval;
+	const char *path;
+	int ch, qflag, rval;
 
 	qflag = 0;
 	while ((ch = getopt(argc, argv, "q")) != -1) {
@@ -59,17 +60,16 @@ main(int argc, char *argv[])
 	}
 	argc -= optind;
 	argv += optind;
-	if (argc < 1)
-		usage();
+	path = *argv != NULL ? *argv++ : ".";
 	rval  = 0;
-	for (i = 0; i < argc; i++) {
-		if ((p = realpath(argv[i], buf)) == NULL) {
+	do {
+		if ((p = realpath(path, buf)) == NULL) {
 			if (!qflag)
-				warn("%s", argv[i]);
+				warn("%s", path);
 			rval = 1;
 		} else
 			(void)printf("%s\n", p);
-	}
+	} while ((path = *argv++) != NULL);
 	exit(rval);
 }
 
@@ -77,6 +77,6 @@ static void
 usage(void)
 {
 
-	(void)fprintf(stderr, "usage: realpath [-q] path [...]\n");
+	(void)fprintf(stderr, "usage: realpath [-q] [path ...]\n");
   	exit(1);
 }