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Re: getlogin on Windows systems
From: |
Bruno Haible |
Subject: |
Re: getlogin on Windows systems |
Date: |
Sat, 9 Jan 2010 14:15:54 +0100 |
User-agent: |
KMail/1.9.9 |
> > the gnulib replacement for getlogin_r calls getlogin unconditionally, but
> > getlogin doesn't exist on Windows systems.
Oh, I see now what you mean. The cause is that getlogin_r had no unit test.
I'm adding this test:
2010-01-09 Bruno Haible <address@hidden>
Tests for module 'getlogin_r'.
* modules/getlogin_r-tests: New file.
* tests/test-getlogin_r.c: New file.
========================== modules/getlogin_r-tests ==========================
Files:
tests/test-getlogin_r.c
tests/signature.h
tests/macros.h
Depends-on:
configure.ac:
Makefile.am:
TESTS += test-getlogin_r
check_PROGRAMS += test-getlogin_r
=========================== tests/test-getlogin_r.c ===========================
/* Test of getting user name.
Copyright (C) 2010 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <address@hidden>, 2010. */
#include <config.h>
#include <unistd.h>
#include "signature.h"
SIGNATURE_CHECK (getlogin_r, int, (char *, size_t));
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "macros.h"
int
main (void)
{
/* Test with a large enough buffer. */
char buf[1024];
ASSERT (getlogin_r (buf, sizeof (buf)) == 0);
/* Compare against the value from the environment. */
#if !((defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__)
/* Unix platform */
{
const char *name = getenv ("LOGNAME");
if (name == NULL || name[0] == '\0')
name = getenv ("USER");
if (name != NULL && name[0] != '\0')
ASSERT (strcmp (buf, name) == 0);
}
#endif
#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
/* Native Windows platform.
Note: This test would fail on Cygwin in an ssh session, because sshd
sets USERNAME=SYSTEM. */
{
const char *name = getenv ("USERNAME");
if (name != NULL && name[0] != '\0')
ASSERT (strcmp (buf, name) == 0);
}
#endif
/* Test with a small buffer. */
{
char smallbuf[1024];
size_t n = strlen (buf);
size_t i;
for (i = 0; i <= n; i++)
ASSERT (getlogin_r (smallbuf, i) == ERANGE);
}
return 0;
}