toaruos/apps/whoami.c

26 lines
524 B
C

/**
* @brief uses getpwuid and geteuid to retrieve the current user's name.
*
* @copyright
* This file is part of ToaruOS and is released under the terms
* of the NCSA / University of Illinois License - see LICENSE.md
* Copyright (C) 2013-2021 K. Lange
*/
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <pwd.h>
int main(int argc, char ** argv) {
struct passwd * p = getpwuid(geteuid());
if (!p) return 0;
fprintf(stdout, "%s\n", p->pw_name);
endpwent();
return 0;
}