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