LXR busybox/include/pwd

   1/* vi: set sw=4 ts=4: */
   2/* Copyright (C) 1991,92,95,96,97,98,99,2001 Free Software Foundation, Inc.
   3   This file is part of the GNU C Library.
   4
   5   The GNU C Library is free software; you can redistribute it and/or
   6   modify it under the terms of the GNU Lesser General Public
   7   License as published by the Free Software Foundation; either
   8   version 2.1 of the License, or (at your option) any later version.
   9
  10   The GNU C Library is distributed in the hope that it will be useful,
  11   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13   Lesser General Public License for more details.
  14
  15   You should have received a copy of the GNU Lesser General Public
  16   License along with the GNU C Library; if not, write to the Free
  17   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18   02111-1307 USA.  */
  19
  20/*
  21 *      POSIX Standard: 9.2.2 User Database Access      <pwd.h>
  22 */
  23
  24#ifndef BB_PWD_H
  25#define BB_PWD_H 1
  26
  27PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
  28
  29/* This file is #included after #include <pwd.h>
  30 * We will use libc-defined structures, but will #define function names
  31 * so that function calls are directed to bb_internal_XXX replacements
  32 */
  33
  34#define setpwent    bb_internal_setpwent
  35#define endpwent    bb_internal_endpwent
  36#define getpwent    bb_internal_getpwent
  37#define fgetpwent   bb_internal_fgetpwent
  38#define putpwent    bb_internal_putpwent
  39#define getpwuid    bb_internal_getpwuid
  40#define getpwnam    bb_internal_getpwnam
  41#define getpwent_r  bb_internal_getpwent_r
  42#define getpwuid_r  bb_internal_getpwuid_r
  43#define getpwnam_r  bb_internal_getpwnam_r
  44#define fgetpwent_r bb_internal_fgetpwent_r
  45//#define getpw       bb_internal_getpw
  46
  47
  48/* All function names below should be remapped by #defines above
  49 * in order to not collide with libc names. */
  50
  51
  52/* Rewind the password-file stream.  */
  53extern void setpwent(void);
  54
  55/* Close the password-file stream.  */
  56extern void endpwent(void);
  57
  58/* Read an entry from the password-file stream, opening it if necessary.  */
  59extern struct passwd *getpwent(void);
  60
  61/* Read an entry from STREAM.  */
  62extern struct passwd *fgetpwent(FILE *__stream);
  63
  64/* Write the given entry onto the given stream.  */
  65extern int putpwent(const struct passwd *__restrict __p,
  66                     FILE *__restrict __f);
  67
  68/* Search for an entry with a matching user ID.  */
  69extern struct passwd *getpwuid(uid_t __uid);
  70
  71/* Search for an entry with a matching username.  */
  72extern struct passwd *getpwnam(const char *__name);
  73
  74/* Reentrant versions of some of the functions above.
  75
  76   PLEASE NOTE: the `getpwent_r' function is not (yet) standardized.
  77   The interface may change in later versions of this library.  But
  78   the interface is designed following the principals used for the
  79   other reentrant functions so the chances are good this is what the
  80   POSIX people would choose.  */
  81
  82extern int getpwent_r(struct passwd *__restrict __resultbuf,
  83                       char *__restrict __buffer, size_t __buflen,
  84                       struct passwd **__restrict __result);
  85
  86extern int getpwuid_r(uid_t __uid,
  87                       struct passwd *__restrict __resultbuf,
  88                       char *__restrict __buffer, size_t __buflen,
  89                       struct passwd **__restrict __result);
  90
  91extern int getpwnam_r(const char *__restrict __name,
  92                       struct passwd *__restrict __resultbuf,
  93                       char *__restrict __buffer, size_t __buflen,
  94                       struct passwd **__restrict __result);
  95
  96/* Read an entry from STREAM.  This function is not standardized and
  97   probably never will.  */
  98extern int fgetpwent_r(FILE *__restrict __stream,
  99                        struct passwd *__restrict __resultbuf,
 100                        char *__restrict __buffer, size_t __buflen,
 101                        struct passwd **__restrict __result);
 102
 103/* Re-construct the password-file line for the given uid
 104   in the given buffer.  This knows the format that the caller
 105   will expect, but this need not be the format of the password file.  */
 106/* UNUSED extern int getpw(uid_t __uid, char *__buffer); */
 107
 108POP_SAVED_FUNCTION_VISIBILITY
 109
 110#endif /* pwd.h  */
 111