sbase

suckless unix tools
git clone git://git.2f30.org/sbase.git
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logname.c (422B)


      1 /* See LICENSE file for copyright and license details. */
      2 #include <stdio.h>
      3 #include <unistd.h>
      4 
      5 #include "util.h"
      6 
      7 static void
      8 usage(void)
      9 {
     10 	eprintf("usage: %s\n", argv0);
     11 }
     12 
     13 int
     14 main(int argc, char *argv[])
     15 {
     16 	char *login;
     17 
     18 	argv0 = *argv, argv0 ? (argc--, argv++) : (void *)0;
     19 
     20 	if (argc)
     21 		usage();
     22 
     23 	if ((login = getlogin()))
     24 		puts(login);
     25 	else
     26 		eprintf("no login name\n");
     27 
     28 	return fshut(stdout, "<stdout>");
     29 }