aboutsummaryrefslogtreecommitdiff
path: root/grp/grp.h
diff options
context:
space:
mode:
authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /grp/grp.h
downloadglibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.zip
glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.gz
glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.bz2
initial import
Diffstat (limited to 'grp/grp.h')
-rw-r--r--grp/grp.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/grp/grp.h b/grp/grp.h
new file mode 100644
index 0000000..2562671
--- /dev/null
+++ b/grp/grp.h
@@ -0,0 +1,101 @@
+/* Copyright (C) 1991, 1992 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, 1992 Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+/*
+ * POSIX Standard: 9.2.1 Group Database Access <grp.h>
+ */
+
+#ifndef _GRP_H
+
+#define _GRP_H 1
+#include <features.h>
+
+__BEGIN_DECLS
+
+#include <gnu/types.h>
+
+
+/* The group structure. */
+struct group
+ {
+ char *gr_name; /* Group name. */
+ char *gr_passwd; /* Password. */
+ __gid_t gr_gid; /* Group ID. */
+ char **gr_mem; /* Member list. */
+ };
+
+
+#if defined(__USE_SVID) || defined(__USE_GNU)
+#define __need_FILE
+#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));
+#endif
+
+
+#if defined(__USE_SVID) || defined(__USE_MISC) || defined (__USE_BSD)
+/* Rewind the group-file stream. */
+extern void setgrent __P ((void));
+
+/* Close the group-file stream. */
+extern void endgrent __P ((void));
+
+/* Read an entry from the group-file stream, opening it if necessary. */
+extern struct group *getgrent __P ((void));
+#endif
+
+#ifdef __USE_SVID
+/* Read a group entry from STREAM. */
+extern struct group *fgetgrent __P ((FILE * __stream));
+#endif
+
+/* Search for an entry with a matching group ID. */
+extern struct group *getgrgid __P ((__gid_t __gid));
+
+/* Search for an entry with a matching group name. */
+extern struct group *getgrnam __P ((__const char *__name));
+
+
+#ifdef __USE_BSD
+
+#define __need_size_t
+#include <stddef.h>
+
+/* Set the group set for the current user to GROUPS (N of them). */
+extern int setgroups __P ((size_t __n, __const __gid_t * groups));
+
+/* Initialize the group set for the current user
+ by reading the group database and using all groups
+ of which USER is a member. Also include GROUP. */
+extern int initgroups __P ((__const char *user, __gid_t group));
+
+#endif /* Use BSD. */
+
+__END_DECLS
+
+#endif /* grp.h */