Dactyloidae/toolkit/mozapps/update/updater/win_dirent.cpp
Moonchild a39fd9e75f Issue #1656 - Remove more vim control lines.
Vim control lines were re-introduced or not entirely cleaned up.
This nukes them again.
Removing from modules, netwerk, security, storage, testing, toolkit, and
a few scattered misc files. More to come.
2023-05-05 22:59:16 +08:00

77 lines
1.8 KiB
C++

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