-/*

-zip_source_win32w.c -- create data source from Windows file (UTF-16)

-Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner

-

-This file is part of libzip, a library to manipulate ZIP archives.

-The authors can be contacted at <libzip@nih.at>

-

-Redistribution and use in source and binary forms, with or without

-modification, are permitted provided that the following conditions

-are met:

-1. Redistributions of source code must retain the above copyright

-notice, this list of conditions and the following disclaimer.

-2. Redistributions in binary form must reproduce the above copyright

-notice, this list of conditions and the following disclaimer in

-the documentation and/or other materials provided with the

-distribution.

-3. The names of the authors may not be used to endorse or promote

-products derived from this software without specific prior

-written permission.

-

-THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS

-OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

-ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY

-DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

-DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE

-GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER

-IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

-OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN

-IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

-*/

-

-

-#include <stdio.h>

-

-#include "zipint.h"

-#include "zipwin32.h"

-

-static void * _win32_strdup_w(const void *str);

-static HANDLE _win32_open_w(_zip_source_win32_read_file_t *ctx);

-static HANDLE _win32_create_temp_w(_zip_source_win32_read_file_t *ctx, void **temp, zip_uint32_t value, PSECURITY_ATTRIBUTES sa);

-static int _win32_rename_temp_w(_zip_source_win32_read_file_t *ctx);

-static int _win32_remove_w(const void *fname);

-

-static _zip_source_win32_file_ops_t win32_ops_w = {

- _win32_strdup_w,

- _win32_open_w,

- _win32_create_temp_w,

- _win32_rename_temp_w,

- _win32_remove_w

-};

-

-ZIP_EXTERN zip_source_t *

-zip_source_win32w(zip_t *za, const wchar_t *fname, zip_uint64_t start, zip_int64_t len)

-{

- if (za == NULL)

- return NULL;

-

- return zip_source_win32w_create(fname, start, len, &za->error);

-}

-

-

-ZIP_EXTERN zip_source_t *

-zip_source_win32w_create(const wchar_t *fname, zip_uint64_t start, zip_int64_t length, zip_error_t *error)

-{

- if (fname == NULL || length < -1) {

- zip_error_set(error, ZIP_ER_INVAL, 0);

- return NULL;

- }

-

- return _zip_source_win32_handle_or_name(fname, INVALID_HANDLE_VALUE, start, length, 1, NULL, &win32_ops_w, error);

-}

-

-

-static void *

-_win32_strdup_w(const void *str)

-{

- return _wcsdup((const wchar_t *)str);

-}

-

-

-static HANDLE

-_win32_open_w(_zip_source_win32_read_file_t *ctx)

-{

- return CreateFileW(ctx->fname, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);

-}

-

-

-static HANDLE

-_win32_create_temp_w(_zip_source_win32_read_file_t *ctx, void **temp, zip_uint32_t value, PSECURITY_ATTRIBUTES sa)

-{

- int len;

-

- len = wcslen((const wchar_t *)ctx->fname) + 10;

- if (*temp == NULL) {

- if ((*temp = malloc(sizeof(wchar_t) * len)) == NULL) {

- zip_error_set(&ctx->error, ZIP_ER_MEMORY, 0);

- return INVALID_HANDLE_VALUE;

- }

- }

- if (_snwprintf((wchar_t *)*temp, len, L"%s.%08x", (const wchar_t *)ctx->fname, value) != len - 1) {

- return INVALID_HANDLE_VALUE;

- }

-

- return CreateFileW((const wchar_t *)*temp, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, sa, CREATE_NEW, FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_TEMPORARY, NULL);

-}

-

-

-static int

-_win32_rename_temp_w(_zip_source_win32_read_file_t *ctx)

-{

- if (!MoveFileExW(ctx->tmpname, ctx->fname, MOVEFILE_REPLACE_EXISTING))

- return -1;

- return 0;

-}

-

-

-static int

-_win32_remove_w(const void *fname)

-{

- DeleteFileW((const wchar_t *)fname);

- return 0;

-}