mirror of git://sourceware.org/git/glibc.git
				
				
				
			
		
			
				
	
	
		
			71 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
| /* Copyright (C) 1991, 1992, 1996, 1998, 1999 Free Software Foundation, Inc.
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|    This file is part of the GNU C Library.
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| 
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|    The GNU C 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 License as
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|    published by the Free Software Foundation; either version 2 of the
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|    License, or (at your option) any later version.
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| 
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|    The GNU C 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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| 
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|    You should have received a copy of the GNU Library General Public
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|    License along with the GNU C Library; see the file COPYING.LIB.  If not,
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|    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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|    Boston, MA 02111-1307, USA.  */
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| 
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| #include <errno.h>
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| #include <stdio.h>
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| #include <grp.h>
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| 
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| #ifdef USE_IN_LIBIO
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| # define flockfile(s) _IO_flockfile (s)
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| # define funlockfile(s) _IO_funlockfile (s)
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| #endif
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| 
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| #define _S(x)	x ? x : ""
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| 
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| /* Write an entry to the given stream.
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|    This must know the format of the group file.  */
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| int
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| putgrent (gr, stream)
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|      const struct group *gr;
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|      FILE *stream;
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| {
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|   int retval;
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| 
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|   if (gr == NULL || stream == NULL)
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|     {
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|       __set_errno (EINVAL);
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|       return -1;
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|     }
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| 
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|   flockfile (stream);
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| 
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|   retval = fprintf (stream, "%s:%s:%u:",
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| 		    gr->gr_name, _S (gr->gr_passwd), gr->gr_gid);
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|   if (retval < 0)
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|     return -1;
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| 
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|   if (gr->gr_mem != NULL)
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|     {
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|       int i;
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| 
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|       for (i = 0 ; gr->gr_mem[i] != NULL; i++)
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| 	if (fprintf (stream, i == 0 ? "%s" : ",%s", gr->gr_mem[i]) < 0)
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| 	  {
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| 	    /* What else can we do?  */
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| 	    funlockfile (stream);
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| 	    return -1;
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| 	  }
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|     }
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| 
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|   retval = fputc_unlocked ('\n', stream);
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| 
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|   funlockfile (stream);
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| 
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|   return retval < 0 ? -1 : 0;
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| }
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