-/* Copyright (C) 1991, 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2019 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.
+ 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
- Library General Public License for more details.
+ Lesser 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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://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 <gnu/types.h>
+#include <bits/types.h>
#define __need_size_t
#include <stddef.h>
-/* The passwd structure. */
+#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
+
+/* A record in the user database. */
struct passwd
{
char *pw_name; /* Username. */
- char *pw_passwd; /* Password. */
+ char *pw_passwd; /* Hashed passphrase, if shadow database
+ not in use (see shadow.h). */
__uid_t pw_uid; /* User ID. */
__gid_t pw_gid; /* Group ID. */
char *pw_gecos; /* Real name. */
};
-#if defined(__USE_SVID) || defined(__USE_GNU)
-#define __need_FILE
-#include <stdio.h>
+#ifdef __USE_MISC
+# include <bits/types/FILE.h>
#endif
-#ifdef __USE_GNU
-/* Return a new stream open on the password file. */
-extern FILE *__pwdopen __P ((void));
-/* Read a password entry from STREAM, filling in P.
- Return the `struct passwd' of P if successful, NULL on failure. */
-extern struct passwd *__pwdread __P ((FILE *__stream, __ptr_t __p));
+#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
+/* Rewind the user database stream.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern void setpwent (void);
+
+/* Close the user database stream.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern void endpwent (void);
-/* Return a chunk of memory containing pre-initialized data for __pwdread. */
-extern __ptr_t __pwdalloc __P ((void));
+/* Read an entry from the user database stream, opening it if necessary.
-/* Scan the password file, filling in P, until SELECTOR returns nonzero for
- an entry. Return the `struct passwd' of P if successful, NULL on
- failure. */
-extern struct passwd *__pwdscan __P ((__ptr_t *__p,
- int (*__selector) (struct passwd *)));
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern struct passwd *getpwent (void);
#endif
+#ifdef __USE_MISC
+/* Read a user database entry from STREAM.
-#if defined(__USE_SVID) || defined(__USE_MISC) || defined(__USE_XOPEN_EXTENDED)
-/* Rewind the password-file stream. */
-extern void setpwent __P ((void));
+ 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) __nonnull ((1));
-/* Close the password-file stream. */
-extern void endpwent __P ((void));
+/* Write a given user database entry onto the given stream.
-/* Read an entry from the password-file stream, opening it if necessary. */
-extern struct passwd *getpwent __P ((void));
+ 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
-#ifdef __USE_SVID
-/* Read an entry from STREAM. */
-extern struct passwd *fgetpwent __P ((FILE *__stream));
+/* Retrieve the user database entry for the given user ID.
-/* Write the given entry onto the given stream. */
-extern int putpwent __P ((__const struct passwd *__p, FILE *__f));
-#endif
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern struct passwd *getpwuid (__uid_t __uid);
+
+/* Retrieve the user database entry for the given username.
-/* Search for an entry with a matching user ID. */
-extern struct passwd *getpwuid __P ((__uid_t __uid));
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern struct passwd *getpwnam (const char *__name) __nonnull ((1));
-/* Search for an entry with a matching username. */
-extern struct passwd *getpwnam __P ((__const char *__name));
+#ifdef __USE_POSIX
-#if defined __USE_POSIX || defined __USE_REENTRANT
+# ifdef __USE_MISC
/* Reasonable value for the buffer sized used in the reentrant
functions below. But better use `sysconf'. */
-#define NSS_BUFLEN_PASSWD 1024
+# define NSS_BUFLEN_PASSWD 1024
+# endif
/* Reentrant versions of some of the functions above.
other reentrant functions so the chances are good this is what the
POSIX people would choose. */
-#if defined(__USE_SVID) || defined(__USE_MISC) || defined(__USE_XOPEN_EXTENDED)
-extern int __getpwent_r __P ((struct passwd *__resultbuf, char *__buffer,
- size_t __buflen, struct passwd **__result));
-extern int getpwent_r __P ((struct passwd *__resultbuf, char *__buffer,
- size_t __buflen, struct passwd **__result));
-#endif
-
-extern int __getpwuid_r __P ((__uid_t __uid, struct passwd *__resultbuf,
- char *__buffer, size_t __buflen,
- struct passwd **__result));
-extern int getpwuid_r __P ((__uid_t __uid, struct passwd *__resultbuf,
- char *__buffer, size_t __buflen,
- struct passwd **__result));
-
-extern int __getpwnam_r __P ((__const char *__name, struct passwd *__resultbuf,
- char *__buffer, size_t __buflen,
- struct passwd **__result));
-extern int getpwnam_r __P ((__const char *__name, struct passwd *__resultbuf,
- char *__buffer, size_t __buflen,
- struct passwd **__result));
-
-
-#ifdef __USE_SVID
-/* Read an entry from STREAM. This function is not standardized and
- probably never will. */
-extern int __fgetpwent_r __P ((FILE * __stream, struct passwd *__resultbuf,
- char *__buffer, size_t __buflen,
- struct passwd **__result));
-extern int fgetpwent_r __P ((FILE * __stream, struct passwd *__resultbuf,
- char *__buffer, size_t __buflen,
- struct passwd **__result));
-#endif
+# ifdef __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)
+ __nonnull ((1, 2, 4));
+# endif
+
+extern int getpwuid_r (__uid_t __uid,
+ struct passwd *__restrict __resultbuf,
+ char *__restrict __buffer, size_t __buflen,
+ struct passwd **__restrict __result)
+ __nonnull ((2, 3, 5));
+
+extern int getpwnam_r (const char *__restrict __name,
+ struct passwd *__restrict __resultbuf,
+ char *__restrict __buffer, size_t __buflen,
+ struct passwd **__restrict __result)
+ __nonnull ((1, 2, 3, 5));
+
+
+# ifdef __USE_MISC
+/* Read a user database 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)
+ __nonnull ((1, 2, 3, 5));
+# endif
#endif /* POSIX or reentrant */
+#ifdef __USE_GNU
+/* Write a traditional /etc/passwd line, based on the user database
+ entry for the given UID, to BUFFER; space for BUFFER must be
+ allocated by the caller.
+
+ 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
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