85 lines
2.0 KiB
C++
85 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 (cygpsid &);
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extern struct passwd *internal_getpwnam (const char *, bool = FALSE);
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extern struct passwd *internal_getpwuid (uid_t, bool = FALSE);
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extern struct group *internal_getgrsid (cygpsid &);
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extern struct group *internal_getgrgid (gid_t gid, bool = FALSE);
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extern struct group *internal_getgrnam (const char *, bool = FALSE);
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extern struct group *internal_getgrent (int);
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int internal_getgroups (int, gid_t *, cygpsid * = NULL);
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#include "sync.h"
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#include "cygtls.h"
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class pwdgrp
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{
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unsigned pwdgrp_buf_elem_size;
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union
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{
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passwd **passwd_buf;
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group **group_buf;
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void **pwdgrp_buf;
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};
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void (pwdgrp::*read) ();
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bool (pwdgrp::*parse) ();
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int etc_ix;
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UNICODE_STRING upath;
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PWCHAR path;
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char *buf, *lptr;
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int max_lines;
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bool initialized;
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static muto pglock;
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bool parse_passwd ();
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bool parse_group ();
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void read_passwd ();
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void read_group ();
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char *add_line (char *);
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char *raw_ptr () const {return lptr;}
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char *next_str (char);
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bool next_num (unsigned long&);
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bool next_num (unsigned int& i)
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{
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unsigned long x;
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bool res = next_num (x);
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i = (unsigned int) x;
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return res;
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}
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inline bool next_num (int& i)
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{
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unsigned long x;
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bool res = next_num (x);
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i = (int) x;
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return res;
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}
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public:
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int curr_lines;
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void load (const wchar_t *);
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inline void refresh (bool check)
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{
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if (!check && initialized)
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return;
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if (pglock.acquire () == 1 &&
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(!initialized || (check && etc::file_changed (etc_ix))))
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(this->*read) ();
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pglock.release ();
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}
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pwdgrp (passwd *&pbuf);
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pwdgrp (group *&gbuf);
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};
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