diff options
Diffstat (limited to 'grp')
| -rw-r--r-- | grp/Makefile | 2 | ||||
| -rw-r--r-- | grp/Versions | 4 | ||||
| -rw-r--r-- | grp/grp.h | 22 | ||||
| -rw-r--r-- | grp/putgrent.c | 70 |
4 files changed, 80 insertions, 18 deletions
diff --git a/grp/Makefile b/grp/Makefile index ac889218c1..0d13495bd8 100644 --- a/grp/Makefile +++ b/grp/Makefile @@ -23,7 +23,7 @@ subdir := grp headers := grp.h routines := fgetgrent initgroups setgroups \ - getgrent getgrgid getgrnam \ + getgrent getgrgid getgrnam putgrent \ getgrent_r getgrgid_r getgrnam_r fgetgrent_r tests := testgrp diff --git a/grp/Versions b/grp/Versions index 1e13e5574c..1615b24186 100644 --- a/grp/Versions +++ b/grp/Versions @@ -16,4 +16,8 @@ libc { # s* setgrent; setgroups; } + GLIBC_2.1 { + # p* + putgrent; + } } @@ -54,23 +54,6 @@ struct group # include <stdio.h> #endif -#ifdef __USE_GNU -/* Return a new stream open on the group file. */ -extern FILE *__grpopen __P ((void)); - -/* Read a group entry from STREAM, filling in G. - Return the `struct group' of G if successful, NULL on failure. */ -extern struct group *__grpread __P ((FILE *__stream, __ptr_t __g)); - -/* Return a chunk of memory containing pre-initialized data for __grpread. */ -extern __ptr_t __grpalloc __P ((void)); - -/* Scan the group file, filling in G, until SELECTOR returns nonzero for an - entry. Return the `struct group' of G if successful, NULL on failure. */ -extern struct group *__grpscan __P ((__ptr_t *__p, - int (*__selector) (struct group *))); -#endif - #if defined __USE_SVID || defined __USE_BSD || defined __USE_XOPEN_EXTENDED /* Rewind the group-file stream. */ @@ -88,6 +71,11 @@ extern struct group *getgrent __P ((void)); extern struct group *fgetgrent __P ((FILE *__stream)); #endif +#ifdef __USE_GNU +/* Write the given entry onto the given stream. */ +extern int putgrent __P ((__const struct group *__p, FILE *__f)); +#endif + /* Search for an entry with a matching group ID. */ extern struct group *getgrgid __P ((__gid_t __gid)); diff --git a/grp/putgrent.c b/grp/putgrent.c new file mode 100644 index 0000000000..7d7732a9c8 --- /dev/null +++ b/grp/putgrent.c @@ -0,0 +1,70 @@ +/* Copyright (C) 1991, 1992, 1996, 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <stdio.h> +#include <grp.h> + +#ifdef USE_IN_LIBIO +# define flockfile(s) _IO_flockfile (s) +# define funlockfile(s) _IO_funlockfile (s) +#endif + +#define _S(x) x ? x : "" + +/* Write an entry to the given stream. + This must know the format of the group file. */ +int +putgrent (gr, stream) + const struct group *gr; + FILE *stream; +{ + int retval; + + if (gr == NULL || stream == NULL) + { + __set_errno (EINVAL); + return -1; + } + + flockfile (stream); + + retval = fprintf (stream, "%s:%s:%u:", + gr->gr_name, _S (gr->gr_passwd), gr->gr_gid); + if (retval < 0) + return -1; + + if (gr->gr_mem != NULL) + { + int i; + + for (i = 0 ; gr->gr_mem[i] != NULL; i++) + if (fprintf (stream, "%c%s", i == 0 ? ':' : ',', gr->gr_mem[i]) < 0) + { + /* What else can we do? */ + funlockfile (stream); + return -1; + } + } + + retval = fputc_unlocked ('\n', stream); + + funlockfile (stream); + + return retval < 0 ? -1 : 0; +} |