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- /* Copyright (C) 1991,92,95,96,97,98,99,2001 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 Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 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
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- /*
- * POSIX Standard: 9.2.2 User Database Access <pwd.h>
- */
- #ifndef _PWD_H
- #define _PWD_H 1
- #include <features.h>
- __BEGIN_DECLS
- #include <bits/types.h>
- #define __need_size_t
- #include <stddef.h>
- #ifdef __USE_XOPEN
- /* The Single Unix specification says that some more types are
- available here. */
- # ifndef __gid_t_defined
- typedef __gid_t gid_t;
- # define __gid_t_defined
- # endif
- # ifndef __uid_t_defined
- typedef __uid_t uid_t;
- # define __uid_t_defined
- # endif
- #endif
- /* The passwd structure. */
- struct passwd
- {
- char *pw_name; /* Username. */
- char *pw_passwd; /* Password. */
- __uid_t pw_uid; /* User ID. */
- __gid_t pw_gid; /* Group ID. */
- char *pw_gecos; /* Real name. */
- char *pw_dir; /* Home directory. */
- char *pw_shell; /* Shell program. */
- };
- #if defined __USE_SVID || defined __USE_GNU
- # define __need_FILE
- # include <stdio.h>
- #endif
- #if defined __USE_SVID || defined __USE_MISC || defined __USE_XOPEN_EXTENDED
- /* Rewind the password-file stream. */
- extern void setpwent (void) __THROW;
- /* Close the password-file stream. */
- extern void endpwent (void) __THROW;
- /* Read an entry from the password-file stream, opening it if necessary. */
- extern struct passwd *getpwent (void) __THROW;
- #endif
- #ifdef __USE_SVID
- /* Read an entry from STREAM. */
- extern struct passwd *fgetpwent (FILE *__stream) __THROW;
- /* Write the given entry onto the given stream. */
- extern int putpwent (__const struct passwd *__restrict __p,
- FILE *__restrict __f) __THROW;
- #endif
- /* Search for an entry with a matching user ID. */
- extern struct passwd *getpwuid (__uid_t __uid) __THROW;
- /* Search for an entry with a matching username. */
- extern struct passwd *getpwnam (__const char *__name) __THROW;
- #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_PASSWD 1024
- # endif
- /* Reentrant versions of some of the functions above.
- PLEASE NOTE: the `getpwent_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_MISC
- extern int getpwent_r (struct passwd *__restrict __resultbuf,
- char *__restrict __buffer, size_t __buflen,
- struct passwd **__restrict __result) __THROW;
- # endif
- extern int getpwuid_r (__uid_t __uid,
- struct passwd *__restrict __resultbuf,
- char *__restrict __buffer, size_t __buflen,
- struct passwd **__restrict __result) __THROW;
- extern int getpwnam_r (__const char *__restrict __name,
- struct passwd *__restrict __resultbuf,
- char *__restrict __buffer, size_t __buflen,
- struct passwd **__restrict __result) __THROW;
- # ifdef __USE_SVID
- /* Read an entry from STREAM. This function is not standardized and
- probably never will. */
- extern int fgetpwent_r (FILE *__restrict __stream,
- struct passwd *__restrict __resultbuf,
- char *__restrict __buffer, size_t __buflen,
- struct passwd **__restrict __result) __THROW;
- # endif
- #endif /* POSIX or reentrant */
- #ifdef __USE_GNU
- /* Re-construct the password-file line for the given uid
- in the given buffer. This knows the format that the caller
- will expect, but this need not be the format of the password file. */
- extern int getpw (__uid_t __uid, char *__buffer) __THROW;
- #endif
- __END_DECLS
- #endif /* pwd.h */
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