[hackers] [sbase] Audit dirname(1) || FRIGN

[git]

commit 2b8698f01ad049b4eb459e46b72c5c0ce0ccac39
Author: FRIGN <d...@frign.de>
Date:   Sat Feb 28 19:50:12 2015 +0100

    Audit dirname(1)
    
    Be stricter about the number of arguments passed to it.

diff --git a/README b/README
index 4e14de8..9833019 100644
--- a/README
+++ b/README
@@ -24,7 +24,7 @@ The following tools are implemented ('*' == finished, '#' == 
UTF-8 support,
 =*  cron            non-posix                    none
 #*  cut             yes                          none
 =*  date            yes                          -u
-=*  dirname         yes                          none
+=*| dirname         yes                          none
 =*  du              yes                          none
 =*  echo            yes                          none
 =*  env             yes                          none
diff --git a/dirname.1 b/dirname.1
index 6258ae1..d45efcf 100644
--- a/dirname.1
+++ b/dirname.1
@@ -1,4 +1,4 @@
-.Dd January 23, 2015
+.Dd February 28, 2015
 .Dt DIRNAME 1
 .Os sbase
 .Sh NAME
@@ -9,9 +9,9 @@
 .Ar path
 .Sh DESCRIPTION
 .Nm
-prints
+writes
 .Ar path
-with its final path component removed.
+with its final path component removed to stdout.
 .Sh SEE ALSO
 .Xr basename 1 ,
 .Xr dirname 3
diff --git a/dirname.c b/dirname.c
index b055deb..501e5a0 100644
--- a/dirname.c
+++ b/dirname.c
@@ -18,7 +18,7 @@ main(int argc, char *argv[])
                usage();
        } ARGEND;
 
-       if (argc < 1)
+       if (argc != 1)
                usage();
 
        puts(dirname(argv[0]));