sbase/whoami.c
sin b533625aac Fix style issue in whoami which broke the sbase-box target
sbase-box.c:(.text+0xd88): undefined reference to `whoami_main'
collect2: ld returned 1 exit status

Broke the sed magic in Makefile.
2015-12-14 11:59:48 +00:00

38 lines
562 B
C

/* See LICENSE file for copyright and license details. */
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <pwd.h>
#include "util.h"
static void
usage(void)
{
eprintf("usage: %s\n", argv0);
}
int
main(int argc, char *argv[])
{
uid_t uid;
struct passwd *pw;
argv0 = argv[0], argc--, argv++;
if (argc)
usage();
uid = geteuid();
errno = 0;
if (!(pw = getpwuid(uid))) {
if (errno)
eprintf("getpwuid %d:", uid);
else
eprintf("getpwuid %d: no such user\n", uid);
}
puts(pw->pw_name);
return fshut(stdout, "<stdout>");
}