modernc.org/cc@v1.0.1/v2/headers/linux_arm/usr/include/pwd.h (about)

     1  /* Copyright (C) 1991-2016 Free Software Foundation, Inc.
     2     This file is part of the GNU C Library.
     3  
     4     The GNU C Library is free software; you can redistribute it and/or
     5     modify it under the terms of the GNU Lesser General Public
     6     License as published by the Free Software Foundation; either
     7     version 2.1 of the License, or (at your option) any later version.
     8  
     9     The GNU C Library is distributed in the hope that it will be useful,
    10     but WITHOUT ANY WARRANTY; without even the implied warranty of
    11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    12     Lesser General Public License for more details.
    13  
    14     You should have received a copy of the GNU Lesser General Public
    15     License along with the GNU C Library; if not, see
    16     <http://www.gnu.org/licenses/>.  */
    17  
    18  /*
    19   *	POSIX Standard: 9.2.2 User Database Access	<pwd.h>
    20   */
    21  
    22  #ifndef	_PWD_H
    23  #define	_PWD_H	1
    24  
    25  #include <features.h>
    26  
    27  __BEGIN_DECLS
    28  #include <bits/types.h>
    29  #define __need_size_t
    30  #include <stddef.h>
    31  #if defined __USE_XOPEN || defined __USE_XOPEN2K
    32  /* The Single Unix specification says that some more types are
    33     available here.  */
    34  #ifndef __gid_t_defined
    35  typedef __gid_t gid_t;
    36  #define __gid_t_defined
    37  #endif
    38  
    39  #ifndef __uid_t_defined
    40  typedef __uid_t uid_t;
    41  #define __uid_t_defined
    42  #endif
    43  #endif
    44  
    45  /* The passwd structure.  */
    46  struct passwd {
    47  	char *pw_name;		/* Username.  */
    48  	char *pw_passwd;	/* Password.  */
    49  	__uid_t pw_uid;		/* User ID.  */
    50  	__gid_t pw_gid;		/* Group ID.  */
    51  	char *pw_gecos;		/* Real name.  */
    52  	char *pw_dir;		/* Home directory.  */
    53  	char *pw_shell;		/* Shell program.  */
    54  };
    55  
    56  #ifdef __USE_MISC
    57  #define __need_FILE
    58  #include <stdio.h>
    59  #endif
    60  
    61  #if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
    62  /* Rewind the password-file stream.
    63  
    64     This function is a possible cancellation point and therefore not
    65     marked with __THROW.  */
    66  extern void setpwent(void);
    67  
    68  /* Close the password-file stream.
    69  
    70     This function is a possible cancellation point and therefore not
    71     marked with __THROW.  */
    72  extern void endpwent(void);
    73  
    74  /* Read an entry from the password-file stream, opening it if necessary.
    75  
    76     This function is a possible cancellation point and therefore not
    77     marked with __THROW.  */
    78  extern struct passwd *getpwent(void);
    79  #endif
    80  
    81  #ifdef	__USE_MISC
    82  /* Read an entry from STREAM.
    83  
    84     This function is not part of POSIX and therefore no official
    85     cancellation point.  But due to similarity with an POSIX interface
    86     or due to the implementation it is a cancellation point and
    87     therefore not marked with __THROW.  */
    88  extern struct passwd *fgetpwent(FILE * __stream) __nonnull((1));
    89  
    90  /* Write the given entry onto the given stream.
    91  
    92     This function is not part of POSIX and therefore no official
    93     cancellation point.  But due to similarity with an POSIX interface
    94     or due to the implementation it is a cancellation point and
    95     therefore not marked with __THROW.  */
    96  extern int putpwent(const struct passwd *__restrict __p, FILE * __restrict __f);
    97  #endif
    98  
    99  /* Search for an entry with a matching user ID.
   100  
   101     This function is a possible cancellation point and therefore not
   102     marked with __THROW.  */
   103  extern struct passwd *getpwuid(__uid_t __uid);
   104  
   105  /* Search for an entry with a matching username.
   106  
   107     This function is a possible cancellation point and therefore not
   108     marked with __THROW.  */
   109  extern struct passwd *getpwnam(const char *__name) __nonnull((1));
   110  
   111  #ifdef __USE_POSIX
   112  
   113  #ifdef __USE_MISC
   114  /* Reasonable value for the buffer sized used in the reentrant
   115     functions below.  But better use `sysconf'.  */
   116  #define NSS_BUFLEN_PASSWD	1024
   117  #endif
   118  
   119  /* Reentrant versions of some of the functions above.
   120  
   121     PLEASE NOTE: the `getpwent_r' function is not (yet) standardized.
   122     The interface may change in later versions of this library.  But
   123     the interface is designed following the principals used for the
   124     other reentrant functions so the chances are good this is what the
   125     POSIX people would choose.  */
   126  
   127  #ifdef __USE_MISC
   128  /* This function is not part of POSIX and therefore no official
   129     cancellation point.  But due to similarity with an POSIX interface
   130     or due to the implementation it is a cancellation point and
   131     therefore not marked with __THROW.  */
   132  extern int getpwent_r(struct passwd *__restrict __resultbuf, char *__restrict __buffer, size_t __buflen, struct passwd **__restrict __result) __nonnull((1, 2, 4));
   133  #endif
   134  
   135  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));
   136  
   137  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));
   138  
   139  #ifdef	__USE_MISC
   140  /* Read an entry from STREAM.  This function is not standardized and
   141     probably never will.
   142  
   143     This function is not part of POSIX and therefore no official
   144     cancellation point.  But due to similarity with an POSIX interface
   145     or due to the implementation it is a cancellation point and
   146     therefore not marked with __THROW.  */
   147  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));
   148  #endif
   149  
   150  #endif				/* POSIX or reentrant */
   151  
   152  #ifdef __USE_GNU
   153  /* Re-construct the password-file line for the given uid
   154     in the given buffer.  This knows the format that the caller
   155     will expect, but this need not be the format of the password file.
   156  
   157     This function is not part of POSIX and therefore no official
   158     cancellation point.  But due to similarity with an POSIX interface
   159     or due to the implementation it is a cancellation point and
   160     therefore not marked with __THROW.  */
   161  extern int getpw(__uid_t __uid, char *__buffer);
   162  #endif
   163  
   164  __END_DECLS
   165  #endif				/* pwd.h  */