[hackers] [sbase] Refactor uname(1) code and manpage || FRIGN

[git]

commit 97e8f6df5f595bfa6b96c2fd415805fa3f435b36
Author: FRIGN <d...@frign.de>
Date:   Sat Feb 7 22:15:56 2015 +0100

    Refactor uname(1) code and manpage
    
    remove stdlib.h-include which was there for no reason and clear
    up the manpage.

diff --git a/README b/README
index 01dccf7..8400dad 100644
--- a/README
+++ b/README
@@ -72,7 +72,7 @@ The following tools are implemented ('*' == finished, '#' == 
UTF-8 support,
 #* tr              yes                             none
 =* true            yes                             none
 =* tty             yes                             none
-=  uname           yes                             none
+=* uname           yes                             none
 #  unexpand        yes                             none
 =  uniq            no                              -f, -s
 =  unlink          yes                             none
diff --git a/uname.1 b/uname.1
index ec007c2..8a3ace3 100644
--- a/uname.1
+++ b/uname.1
@@ -9,12 +9,10 @@
 .Op Fl amnrsv
 .Sh DESCRIPTION
 .Nm
-prints system information. If no flags are given,
+writes system information to stdout. If no flags are given,
 .Nm
-will print only the
-name of the operating system as
-.Fl s
-would.
+implies
+.Fl s .
 .Sh OPTIONS
 .Bl -tag -width Ds
 .It Fl a
@@ -22,7 +20,7 @@ Print all the information below.
 .It Fl m
 Print the machine's architecture.
 .It Fl n
-Print the system's network name.
+Print the system's network node hostname.
 .It Fl r
 Print the operating system's release name.
 .It Fl s
@@ -32,3 +30,9 @@ Print the operating system's version name.
 .El
 .Sh SEE ALSO
 .Xr uname 2
+.Sh STANDARDS
+The
+.Nm
+utility is compliant with the
+.St -p1003.1-2008
+specification.
diff --git a/uname.c b/uname.c
index 400ba2e..827b075 100644
--- a/uname.c
+++ b/uname.c
@@ -1,6 +1,5 @@
 /* See LICENSE file for copyright and license details. */
 #include <stdio.h>
-#include <stdlib.h>
 #include <sys/utsname.h>
 #include <unistd.h>
 
@@ -15,12 +14,8 @@ usage(void)
 int
 main(int argc, char *argv[])
 {
-       int mflag = 0;
-       int nflag = 0;
-       int rflag = 0;
-       int sflag = 0;
-       int vflag = 0;
        struct utsname u;
+       int mflag = 0, nflag = 0, rflag = 0, sflag = 0, vflag = 0;
 
        ARGBEGIN {
        case 'a':
@@ -44,6 +39,7 @@ main(int argc, char *argv[])
        default:
                usage();
        } ARGEND;
+
        if (uname(&u) < 0)
                eprintf("uname:");