The Tor Browser: toolkit/mozapps/update/updater/win

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim:set ts=2 sw=2 sts=2 et cindent: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #include "win_dirent.h"

     8 #include <errno.h>

     9 #include <string.h>

    11 // This file implements the minimum set of dirent APIs used by updater.cpp on

    12 // Windows.  If updater.cpp is modified to use more of this API, we need to

    13 // implement those parts here too.

    15 static dirent gDirEnt;

    17 DIR::DIR(const WCHAR* path)

    18   : findHandle(INVALID_HANDLE_VALUE)

    19 {

    20   memset(name, 0, sizeof(name));

    21   wcsncpy(name, path, sizeof(name)/sizeof(name[0]));

    22   wcsncat(name, L"\\*", sizeof(name)/sizeof(name[0]) - wcslen(name) - 1);

    23 }

    25 DIR::~DIR()

    26 {

    27   if (findHandle != INVALID_HANDLE_VALUE) {

    28     FindClose(findHandle);

    29   }

    30 }

    32 dirent::dirent()

    33 {

    34   d_name[0] = L'\0';

    35 }

    37 DIR*

    38 opendir(const WCHAR* path)

    39 {

    40   return new DIR(path);

    41 }

    43 int

    44 closedir(DIR* dir)

    45 {

    46   delete dir;

    47   return 0;

    48 }

    50 dirent* readdir(DIR* dir)

    51 {

    52   WIN32_FIND_DATAW data;

    53   if (dir->findHandle != INVALID_HANDLE_VALUE) {

    54     BOOL result = FindNextFileW(dir->findHandle, &data);

    55     if (!result) {

    56       if (GetLastError() != ERROR_FILE_NOT_FOUND) {

    57         errno = ENOENT;

    58       }

    59       return 0;

    60     }

    61   } else {

    62     // Reading the first directory entry

    63     dir->findHandle = FindFirstFileW(dir->name, &data);

    64     if (dir->findHandle == INVALID_HANDLE_VALUE) {

    65       if (GetLastError() == ERROR_FILE_NOT_FOUND) {

    66         errno = ENOENT;

    67       } else {

    68         errno = EBADF;

    69       }

    70       return 0;

    71     }

    72   }

    73   memset(gDirEnt.d_name, 0, sizeof(gDirEnt.d_name));

    74   wcsncpy(gDirEnt.d_name, data.cFileName,

    75            sizeof(gDirEnt.d_name)/sizeof(gDirEnt.d_name[0]));

    76   return &gDirEnt;

    77 }

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