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0806cb068b
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@2990 72102866-910b-0410-8b05-ffd578937521
112 lines
3.3 KiB
Objective-C
112 lines
3.3 KiB
Objective-C
/* Implementation of login-related functions for GNUstep
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Copyright (C) 1996 Free Software Foundation, Inc.
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Written by: Andrew Kachites McCallum <mccallum@gnu.ai.mit.edu>
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Created: May 1996
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <config.h>
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#include <objc/objc-api.h>
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#include <gnustep/base/preface.h>
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#include <Foundation/NSString.h>
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#include <Foundation/NSPathUtilities.h>
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#include <stdlib.h> // for getenv()
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#if !defined(__WIN32__) && !defined(_WIN32)
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#include <unistd.h> // for getlogin()
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#include <pwd.h> // for getpwnam()
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#endif
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#include <sys/types.h>
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/* Return the caller's login name as an NSString object. */
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NSString *
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NSUserName ()
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{
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#if defined(__WIN32__) || defined(_WIN32)
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/* The GetUserName function returns the current user name */
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char buf[1024];
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DWORD n = 1024;
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if (GetUserName(buf, &n))
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return [NSString stringWithCString: buf];
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else
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return [NSString stringWithCString: ""];
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#elif __SOLARIS__ || defined(BSD)
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int uid = geteuid(); // get the effective user id
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struct passwd *pwent = getpwuid (uid);
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NSString* name = [NSString stringWithCString: pwent->pw_name];
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return name;
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#else
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const char *login_name = getlogin ();
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if (!login_name)
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login_name = cuserid(NULL);
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if (!login_name)
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login_name= getenv ("LOGNAME");
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if (login_name)
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return [NSString stringWithCString: login_name];
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else
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return nil;
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#endif
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}
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/* Return the caller's home directory as an NSString object. */
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NSString *
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NSHomeDirectory ()
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{
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return NSHomeDirectoryForUser (NSUserName ());
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/* xxx Was using this. Is there a reason to prefer it?
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return [NSString stringWithCString: getenv ("HOME")]; */
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}
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/* Return LOGIN_NAME's home directory as an NSString object. */
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NSString *
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NSHomeDirectoryForUser (NSString *login_name)
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{
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#if !defined(__WIN32__) && !defined(_WIN32)
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struct passwd *pw;
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pw = getpwnam ([login_name cString]);
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return [NSString stringWithCString: pw->pw_dir];
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#else
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/* Then environment variable HOMEPATH holds the home directory
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for the user on Windows NT; Win95 has no concept of home. */
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char buf[1024], *nb;
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DWORD n;
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NSString *s;
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n = GetEnvironmentVariable("HOMEPATH", buf, 1024);
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if (n > 1024)
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{
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/* Buffer not big enough, so dynamically allocate it */
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nb = (char *)objc_malloc(sizeof(char)*(n+1));
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n = GetEnvironmentVariable("HOMEPATH", nb, n+1);
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nb[n] = '\0';
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s = [NSString stringWithCString: nb];
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free(nb);
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return s;
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}
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else
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{
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/* null terminate it and return the string */
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buf[n] = '\0';
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return [NSString stringWithCString: buf];
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}
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#endif
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}
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