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#if !ENABLE_USE_BB_PWD_GRP 25 26#include <pwd.h> 27 28#else 29 30#ifndef _PWD_H 31#define _PWD_H 1 32 33/* The passwd structure. */ 34struct passwd { 35 char *pw_name; /* Username. */ 36 char *pw_passwd; /* Password. */ 37 uid_t pw_uid; /* User ID. */ 38 gid_t pw_gid; /* Group ID. */ 39 char *pw_gecos; /* Real name. */ 40 char *pw_dir; /* Home directory. */ 41 char *pw_shell; /* Shell program. */ 42}; 43 44 45#define setpwent bb_internal_setpwent 46#define endpwent bb_internal_endpwent 47#define getpwent bb_internal_getpwent 48#define fgetpwent bb_internal_fgetpwent 49#define putpwent bb_internal_putpwent 50#define getpwuid bb_internal_getpwuid 51#define getpwnam bb_internal_getpwnam 52#define getpwent_r bb_internal_getpwent_r 53#define getpwuid_r bb_internal_getpwuid_r 54#define getpwnam_r bb_internal_getpwnam_r 55#define fgetpwent_r bb_internal_fgetpwent_r 56#define getpw bb_internal_getpw 57 58 59/* All function names below should be remapped by #defines above 60 * in order to not collide with libc names. 61 * In theory it isn't necessary, but I saw weird interactions at link time. 62 * Let's play safe */ 63 64 65/* Rewind the password-file stream. */ 66extern void setpwent(void); 67 68/* Close the password-file stream. */ 69extern void endpwent(void); 70 71/* Read an entry from the password-file stream, opening it if necessary. */ 72extern struct passwd *getpwent(void); 73 74/* Read an entry from STREAM. */ 75extern struct passwd *fgetpwent(FILE *__stream); 76 77/* Write the given entry onto the given stream. */ 78extern int putpwent(__const struct passwd *__restrict __p, 79 FILE *__restrict __f); 80 81/* Search for an entry with a matching user ID. */ 82extern struct passwd *getpwuid(uid_t __uid); 83 84/* Search for an entry with a matching username. */ 85extern struct passwd *getpwnam(__const char *__name); 86 87/* Reentrant versions of some of the functions above. 88 89 PLEASE NOTE: the `getpwent_r' function is not (yet) standardized. 90 The interface may change in later versions of this library. But 91 the interface is designed following the principals used for the 92 other reentrant functions so the chances are good this is what the 93 POSIX people would choose. */ 94 95extern int getpwent_r(struct passwd *__restrict __resultbuf, 96 char *__restrict __buffer, size_t __buflen, 97 struct passwd **__restrict __result); 98 99extern int getpwuid_r(uid_t __uid, 100 struct passwd *__restrict __resultbuf, 101 char *__restrict __buffer, size_t __buflen, 102 struct passwd **__restrict __result); 103 104extern int getpwnam_r(__const char *__restrict __name, 105 struct passwd *__restrict __resultbuf, 106 char *__restrict __buffer, size_t __buflen, 107 struct passwd **__restrict __result); 108 109/* Read an entry from STREAM. This function is not standardized and 110 probably never will. */ 111extern int fgetpwent_r(FILE *__restrict __stream, 112 struct passwd *__restrict __resultbuf, 113 char *__restrict __buffer, size_t __buflen, 114 struct passwd **__restrict __result); 115 116/* Re-construct the password-file line for the given uid 117 in the given buffer. This knows the format that the caller 118 will expect, but this need not be the format of the password file. */ 119extern int getpw(uid_t __uid, char *__buffer); 120 121#endif /* pwd.h */ 122#endif 123