uclibc-ng-test/test/pwd_grp/test_pwd.c

/*
 * test_pwd.c - This file is part of the libc-8086/pwd package for ELKS,
 * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
 *
 * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 */

#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include <pwd.h>

int main(int argc, char **argv)
{
	struct passwd *passwd;
	int test_uid;

	fprintf(stdout, "Beginning test of libc/pwd...\n");

	fprintf(stdout, "=> Testing setpwent(), getpwent(), endpwent()...\n");
	fprintf(stdout, "-> setpwent()...\n");
	setpwent();
	fprintf(stdout, "-> getpwent()...\n");
	printf
		("********************************************************************************\n");
	while ((passwd = getpwent()) != NULL) {
		printf("pw_name\t\t: %s\n", passwd->pw_name);
		printf("pw_passwd\t: %s\n", passwd->pw_passwd);
		printf("pw_uid\t\t: %d\n", (int) passwd->pw_uid);
		printf("pw_gid\t\t: %d\n", (int) passwd->pw_gid);
		printf("pw_gecos\t: %s\n", passwd->pw_gecos);
		printf("pw_dir\t\t: %s\n", passwd->pw_dir);
		printf("pw_shell\t: %s\n", passwd->pw_shell);
		printf
			("********************************************************************************\n");
	}
	fprintf(stdout, "-> endpwent()...\n");
	endpwent();
	fprintf(stdout,
			"=> Test of setpwent(), getpwent(), endpwent() complete.\n");
	fprintf(stdout, "=> Testing getpwuid(), getpwnam()...\n");
	fprintf(stdout, "-> getpwuid()...\n");
	printf
		("********************************************************************************\n");
	for (test_uid = 0; test_uid < 1000; test_uid++) {
		fprintf(stdout, "-> getpwuid(%d)...\n", test_uid);
		passwd = getpwuid((uid_t) test_uid);
		if (passwd != NULL) {
			printf("pw_name\t\t: %s\n", passwd->pw_name);
			printf("pw_passwd\t: %s\n", passwd->pw_passwd);
			printf("pw_uid\t\t: %d\n", (int) passwd->pw_uid);
			printf("pw_gid\t\t: %d\n", (int) passwd->pw_gid);
			printf("pw_gecos\t: %s\n", passwd->pw_gecos);
			printf("pw_dir\t\t: %s\n", passwd->pw_dir);
			printf("pw_shell\t: %s\n", passwd->pw_shell);
			printf
				("********************************************************************************\n");
		}
	}
	fprintf(stdout, "-> getpwnam()...\n");
	passwd = getpwnam("root");
	if (passwd == NULL) {
		printf(">NULL<\n");
	} else {
		printf("pw_name\t\t: %s\n", passwd->pw_name);
		printf("pw_passwd\t: %s\n", passwd->pw_passwd);
		printf("pw_uid\t\t: %d\n", (int) passwd->pw_uid);
		printf("pw_gid\t\t: %d\n", (int) passwd->pw_gid);
		printf("pw_gecos\t: %s\n", passwd->pw_gecos);
		printf("pw_dir\t\t: %s\n", passwd->pw_dir);
		printf("pw_shell\t: %s\n", passwd->pw_shell);
	}
	return 0;
}