1: /* Copyright (C) 1991,1992,1996,1997,1998,2005 Free Software Foundation, Inc.
    2:    This file is part of the GNU C Library.
    3: 
    4:    The GNU C Library is free software; you can redistribute it and/or
    5:    modify it under the terms of the GNU Lesser General Public
    6:    License as published by the Free Software Foundation; either
    7:    version 2.1 of the License, or (at your option) any later version.
    8: 
    9:    The GNU C Library is distributed in the hope that it will be useful,
   10:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   11:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   12:    Lesser General Public License for more details.
   13: 
   14:    You should have received a copy of the GNU Lesser General Public
   15:    License along with the GNU C Library; if not, write to the Free
   16:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   17:    02111-1307 USA.  */
   18: 
   19: #include <errno.h>
   20: #include <stdio.h>
   21: #include <pwd.h>
   22: 
   23: #define _S(x)   x ?: ""
   24: 
   25: /* Write an entry to the given stream.
   26:    This must know the format of the password file.  */
   27: int
   28: putpwent (p, stream)
   29:      const struct passwd *p;
   30:      FILE *stream;
   31: {
   32:   if (p == NULL || stream == NULL)
   33:     {
   34:       __set_errno (EINVAL);
   35:       return -1;
   36:     }
   37: 
   38:   if (p->pw_name[0] == '+' || p->pw_name[0] == '-')
   39:     {
   40:       if (fprintf (stream, "%s:%s:::%s:%s:%s\n",
   41:                    p->pw_name, _S (p->pw_passwd),
   42:                    _S (p->pw_gecos), _S (p->pw_dir), _S (p->pw_shell)) < 0)
   43:         return -1;
   44:     }
   45:   else
   46:     {
   47:       if (fprintf (stream, "%s:%s:%lu:%lu:%s:%s:%s\n",
   48:                    p->pw_name, _S (p->pw_passwd),
   49:                    (unsigned long int) p->pw_uid,
   50:                    (unsigned long int) p->pw_gid,
   51:                    _S (p->pw_gecos), _S (p->pw_dir), _S (p->pw_shell)) < 0)
   52:         return -1;
   53:     }
   54:   return 0;
   55: }