-/* Copyright (C) 1991, 1992, 1995, 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1991, 1992, 1995, 1996, 1997 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 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.
+ 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., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ 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. */
/*
* POSIX Standard: 9.2.1 Group Database Access <grp.h>
#include <gnu/types.h>
+#define __need_size_t
+#include <stddef.h>
+
/* The group structure. */
struct group
/* 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));
+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)
+#if defined(__USE_SVID) || defined (__USE_BSD) || defined(__USE_XOPEN_EXTENDED)
/* Rewind the group-file stream. */
extern void setgrent __P ((void));
#ifdef __USE_SVID
/* Read a group entry from STREAM. */
-extern struct group *fgetgrent __P ((FILE * __stream));
+extern struct group *fgetgrent __P ((FILE *__stream));
#endif
/* Search for an entry with a matching group ID. */
/* Search for an entry with a matching group name. */
extern struct group *getgrnam __P ((__const char *__name));
-#ifdef __USE_REENTRANT
+#if defined __USE_POSIX || defined __USE_MISC
+
+#ifdef __USE_MISC
/* Reasonable value for the buffer sized used in the reentrant
functions below. But better use `sysconf'. */
#define NSS_BUFLEN_GROUP 1024
+#endif
/* Reentrant versions of some of the functions above.
- PLEASE NOTE: these functions are not yet standardized. The interface
- may change in later versions of this library. */
-
-#if defined(__USE_SVID) || defined(__USE_MISC) || defined (__USE_BSD)
-extern struct group *getgrent_r __P ((struct group *__resultbuf,
- char *buffer, int __buflen));
+ PLEASE NOTE: the `getgrent_r' function is not (yet) standardized.
+ The interface may change in later versions of this library. But
+ the interface is designed following the principals used for the
+ other reentrant functions so the chances are good this is what the
+ POSIX people would choose. */
+
+#if defined(__USE_SVID) || defined (__USE_BSD) || defined(__USE_XOPEN_EXTENDED)
+extern int __getgrent_r __P ((struct group *__resultbuf, char *buffer,
+ size_t __buflen, struct group **__result));
+extern int getgrent_r __P ((struct group *__resultbuf, char *buffer,
+ size_t __buflen, struct group **__result));
#endif
/* Search for an entry with a matching group ID. */
-extern struct group *getgrgid_r __P ((__gid_t __gid,
- struct group *__resultbuf,
- char *buffer, int __buflen));
+extern int getgrgid_r __P ((__gid_t __gid, struct group *__resultbuf,
+ char *buffer, size_t __buflen,
+ struct group **__result));
/* Search for an entry with a matching group name. */
-extern struct group *getgrnam_r __P ((__const char *__name,
- struct group *__resultbuf,
- char *buffer, int __buflen));
+extern int getgrnam_r __P ((__const char *__name, struct group *__resultbuf,
+ char *buffer, size_t __buflen,
+ struct group **__result));
#ifdef __USE_SVID
-/* Read a group entry from STREAM. */
-extern struct group *__fgetgrent_r __P ((FILE * __stream,
- struct group *__resultbuf,
- char *buffer, int __buflen));
-extern struct group *fgetgrent_r __P ((FILE * __stream,
- struct group *__resultbuf,
- char *buffer, int __buflen));
+/* Read a group entry from STREAM. This function is not standardized
+ an probably never will. */
+extern int __fgetgrent_r __P ((FILE * __stream, struct group *__resultbuf,
+ char *buffer, size_t __buflen,
+ struct group **__result));
+extern int fgetgrent_r __P ((FILE * __stream, struct group *__resultbuf,
+ char *buffer, size_t __buflen,
+ struct group **__result));
#endif
-#endif /* reentrant */
+#endif /* POSIX or reentrant */
#ifdef __USE_BSD
#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));
+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));
+extern int initgroups __P ((__const char *__user, __gid_t __group));
#endif /* Use BSD. */
git://sourceware.org / glibc.git / blobdiff