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UUCPbb_2_1_src.lzh
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UUCPBB21
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getuser.c
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1994-09-25
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/* getuser.c Routine to get user's name and home directory.file
Copyright (C) 1990, 1993 Rick Adams and Bob Billson
This file is part of the OS-9 UUCP package, UUCPbb.
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
The author of UUCPbb, Bob Billson, can be contacted at:
bob@kc2wz.bubble.org or uunet!kc2wz!bob or by snail mail:
21 Bates Way, Westfield, NJ 07090
*/
#include "uucp.h"
#include <password.h>
EXTERN QQ unsigned myuid;
int getuser (user)
char *user;
{
register PWENT *pwentry;
if (homedir == NULL)
{
if ((homedir = getenv ("HOME")) == NULL)
fatal ("getuser: HOME is not defined");
if ((homedir = strdup (homedir)) == NULL)
fatal ("getuser: can't make copy of HOME");
}
asetuid (0); /* become superuser */
pwentry = getpwuid (myuid);
endpwent();
asetuid (myuid);
if (pwentry == (PWENT *)ERROR)
fatal ("getuser: can't open password file");
/* user not in password file */
if (pwentry == NULL)
*user = '\0';
else
strcpy (user, pwentry->unam);
}