80 lines
2.0 KiB
C++
80 lines
2.0 KiB
C++
/* pwdgrp.h
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Copyright 2001, 2002, 2003 Red Hat inc.
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Stuff common to pwd and grp handling.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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/* These functions are needed to allow searching and walking through
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the passwd and group lists */
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extern struct passwd *internal_getpwsid (cygsid &);
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extern struct passwd *internal_getpwnam (const char *, bool = FALSE);
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extern struct passwd *internal_getpwuid (__uid32_t, bool = FALSE);
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extern struct __group32 *internal_getgrsid (cygsid &);
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extern struct __group32 *internal_getgrgid (__gid32_t gid, bool = FALSE);
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extern struct __group32 *internal_getgrnam (const char *, bool = FALSE);
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extern struct __group32 *internal_getgrent (int);
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int internal_getgroups (int, __gid32_t *, cygsid * = NULL);
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enum pwdgrp_state {
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uninitialized = 0,
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initializing,
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loaded
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};
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class pwdgrp
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{
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pwdgrp_state state;
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int pwd_ix;
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path_conv pc;
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char *buf;
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int max_lines;
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union
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{
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passwd **passwd_buf;
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__group32 **group_buf;
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void **pwdgrp_buf;
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};
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unsigned pwdgrp_buf_elem_size;
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bool (pwdgrp::*parse) (char *);
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char *gets (char*&);
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bool parse_pwd (char *);
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bool parse_grp (char *);
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public:
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int curr_lines;
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void add_line (char *);
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bool isinitializing ()
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{
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if (state <= initializing)
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state = initializing;
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else if (etc::file_changed (pwd_ix))
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state = initializing;
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return state == initializing;
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}
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bool isuninitialized () const { return state == uninitialized; }
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bool load (const char *);
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bool load (const char *posix_fname, passwd *&buf)
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{
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passwd_buf = &buf;
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pwdgrp_buf_elem_size = sizeof (*buf);
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parse = &pwdgrp::parse_pwd;
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return load (posix_fname);
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}
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bool load (const char *posix_fname, __group32 *&buf)
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{
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group_buf = &buf;
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pwdgrp_buf_elem_size = sizeof (*buf);
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parse = &pwdgrp::parse_grp;
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return load (posix_fname);
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}
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};
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