123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190 |
- /* Copyright (C) 1991,1992,1995-2001,2003,2004 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>
- #if defined __USE_XOPEN || defined __USE_XOPEN2K
- /* 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.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern void setpwent (void);
- /* Close the password-file stream.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern void endpwent (void);
- /* Read an entry from the password-file stream, opening it if necessary.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern struct passwd *getpwent (void);
- #endif
- #ifdef __USE_SVID
- /* Read an entry from STREAM.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern struct passwd *fgetpwent (FILE *__stream);
- /* Write the given entry onto the given stream.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern int putpwent (__const struct passwd *__restrict __p,
- FILE *__restrict __f);
- #endif
- /* Search for an entry with a matching user ID.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern struct passwd *getpwuid (__uid_t __uid);
- /* Search for an entry with a matching username.
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
- extern struct passwd *getpwnam (__const char *__name);
- #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
- /* This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern int getpwent_r (struct passwd *__restrict __resultbuf,
- char *__restrict __buffer, size_t __buflen,
- struct passwd **__restrict __result);
- libc_hidden_proto(getpwent_r)
- # endif
- extern int getpwuid_r (__uid_t __uid,
- struct passwd *__restrict __resultbuf,
- char *__restrict __buffer, size_t __buflen,
- struct passwd **__restrict __result);
- libc_hidden_proto(getpwuid_r)
- extern int getpwnam_r (__const char *__restrict __name,
- struct passwd *__restrict __resultbuf,
- char *__restrict __buffer, size_t __buflen,
- struct passwd **__restrict __result);
- libc_hidden_proto(getpwnam_r)
- # ifdef __USE_SVID
- /* Read an entry from STREAM. This function is not standardized and
- probably never will.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern int fgetpwent_r (FILE *__restrict __stream,
- struct passwd *__restrict __resultbuf,
- char *__restrict __buffer, size_t __buflen,
- struct passwd **__restrict __result);
- libc_hidden_proto(fgetpwent_r)
- # 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.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern int getpw (__uid_t __uid, char *__buffer);
- #endif
- __END_DECLS
- #endif /* pwd.h */
|