79 lines
1.8 KiB
C++
79 lines
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "win_dirent.h"
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#include <errno.h>
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#include <string.h>
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// This file implements the minimum set of dirent APIs used by updater.cpp on
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// Windows. If updater.cpp is modified to use more of this API, we need to
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// implement those parts here too.
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static dirent gDirEnt;
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DIR::DIR(const WCHAR* path)
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: findHandle(INVALID_HANDLE_VALUE)
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{
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memset(name, 0, sizeof(name));
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wcsncpy(name, path, sizeof(name)/sizeof(name[0]));
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wcsncat(name, L"\\*", sizeof(name)/sizeof(name[0]) - wcslen(name) - 1);
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}
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DIR::~DIR()
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{
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if (findHandle != INVALID_HANDLE_VALUE) {
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FindClose(findHandle);
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}
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}
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dirent::dirent()
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{
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d_name[0] = L'\0';
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}
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DIR*
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opendir(const WCHAR* path)
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{
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return new DIR(path);
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}
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int
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closedir(DIR* dir)
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{
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delete dir;
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return 0;
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}
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dirent* readdir(DIR* dir)
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{
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WIN32_FIND_DATAW data;
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if (dir->findHandle != INVALID_HANDLE_VALUE) {
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BOOL result = FindNextFileW(dir->findHandle, &data);
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if (!result) {
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if (GetLastError() != ERROR_FILE_NOT_FOUND) {
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errno = ENOENT;
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}
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return 0;
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}
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} else {
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// Reading the first directory entry
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dir->findHandle = FindFirstFileW(dir->name, &data);
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if (dir->findHandle == INVALID_HANDLE_VALUE) {
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if (GetLastError() == ERROR_FILE_NOT_FOUND) {
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errno = ENOENT;
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} else {
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errno = EBADF;
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}
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return 0;
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}
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}
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memset(gDirEnt.d_name, 0, sizeof(gDirEnt.d_name));
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wcsncpy(gDirEnt.d_name, data.cFileName,
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sizeof(gDirEnt.d_name)/sizeof(gDirEnt.d_name[0]));
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return &gDirEnt;
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}
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