49eef6d5f7
a change in /etc. * cygheap.h (struct init_cygheap): Add member `etc_changed_h' and method `etc_changed'. * grp.cc (enum grp_state): Eliminate. (class grp_check): Ditto. (group_state): Define as `class pwdgrp_check'. (parse_grp): Remeber path and modification time of /etc/group file. * passwd.cc (enum_pwd_state): Eliminate. (class pwd_check): Ditto. (passwd_state): Define as `class pwdgrp_check'. (read_etc_passwd): Remember path and modification time of /etc/passwd file. * pwdgrp.h: New file. (enum pwdgrp_state): Substitutes `pwd_state' and `grp_state'. (class pwdgrp_check): Substitutes `pwd_check' and `grp_check'.
58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
/* pwdgrp.h
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Copyright 2001 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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enum pwdgrp_state {
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uninitialized = 0,
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initializing,
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emulated,
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loaded
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};
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class pwdgrp_check {
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pwdgrp_state state;
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FILETIME last_modified;
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char file_w32[MAX_PATH];
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public:
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pwdgrp_check () : state (uninitialized) {}
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operator pwdgrp_state ()
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{
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if (state != uninitialized && file_w32[0] && cygheap->etc_changed ())
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{
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HANDLE h;
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WIN32_FIND_DATA data;
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if ((h = FindFirstFile (file_w32, &data)) != INVALID_HANDLE_VALUE)
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{
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if (CompareFileTime (&data.ftLastWriteTime, &last_modified) > 0)
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state = uninitialized;
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FindClose (h);
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}
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}
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return state;
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}
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void operator = (pwdgrp_state nstate)
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{
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state = nstate;
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}
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void set_last_modified (FILE *f)
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{
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if (!file_w32[0])
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strcpy (file_w32, cygheap->fdtab[fileno (f)]->get_win32_name ());
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BY_HANDLE_FILE_INFORMATION inf;
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if (GetFileInformationByHandle (cygheap->fdtab[fileno (f)]->get_handle (),
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&inf))
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last_modified = inf.ftLastWriteTime;
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}
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};
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