| /* Copyright (C) 1991-2013 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* |
| * 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); |
| # endif |
| |
| extern int getpwuid_r (__uid_t __uid, |
| struct passwd *__restrict __resultbuf, |
| char *__restrict __buffer, size_t __buflen, |
| struct passwd **__restrict __result); |
| |
| extern int getpwnam_r (const char *__restrict __name, |
| struct passwd *__restrict __resultbuf, |
| char *__restrict __buffer, size_t __buflen, |
| struct passwd **__restrict __result); |
| |
| |
| # 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); |
| # 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 */ |