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zip_source_file_win32_utf16.c
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1 /*
2  zip_source_file_win32_utf16.c -- source for Windows file opened by UTF-16 name
3  Copyright (C) 1999-2020 Dieter Baron and Thomas Klausner
4 
5  This file is part of libzip, a library to manipulate ZIP archives.
6  The authors can be contacted at <info@libzip.org>
7 
8  Redistribution and use in source and binary forms, with or without
9  modification, are permitted provided that the following conditions
10  are met:
11  1. Redistributions of source code must retain the above copyright
12  notice, this list of conditions and the following disclaimer.
13  2. Redistributions in binary form must reproduce the above copyright
14  notice, this list of conditions and the following disclaimer in
15  the documentation and/or other materials provided with the
16  distribution.
17  3. The names of the authors may not be used to endorse or promote
18  products derived from this software without specific prior
19  written permission.
20 
21  THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
22  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
25  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
27  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
29  IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
31  IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33 
34 #include "zip_source_file_win32.h"
35 
36 static char *utf16_allocate_tempname(const char *name, size_t extra_chars, size_t *lengthp);
37 static HANDLE __stdcall utf16_create_file(const char *name, DWORD access, DWORD share_mode, PSECURITY_ATTRIBUTES security_attributes, DWORD creation_disposition, DWORD file_attributes, HANDLE template_file);
38 static void utf16_make_tempname(char *buf, size_t len, const char *name, zip_uint32_t i);
39 static char *utf16_strdup(const char *string);
40 
41 /* clang-format off */
42 
43 zip_win32_file_operations_t ops_utf16 = {
44  utf16_allocate_tempname,
45  utf16_create_file,
46  DeleteFileW,
47  GetFileAttributesW,
48  GetFileAttributesExW,
49  utf16_make_tempname,
50  MoveFileExW,
51  SetFileAttributesW,
52  utf16_strdup
53 };
54 
55 /* clang-format on */
56 
57 ZIP_EXTERN zip_source_t *
58 zip_source_win32w(zip_t *za, const wchar_t *fname, zip_uint64_t start, zip_int64_t len) {
59  if (za == NULL)
60  return NULL;
61 
62  return zip_source_win32w_create(fname, start, len, &za->error);
63 }
64 
65 
66 ZIP_EXTERN zip_source_t *
67 zip_source_win32w_create(const wchar_t *fname, zip_uint64_t start, zip_int64_t length, zip_error_t *error) {
68  if (fname == NULL || length < -1) {
69  zip_error_set(error, ZIP_ER_INVAL, 0);
70  return NULL;
71  }
72 
73 
74  return zip_source_file_common_new((const char *)fname, NULL, start, length, NULL, &_zip_source_file_win32_named_ops, &ops_utf16, error);
75 }
76 
77 
78 static char *
79 utf16_allocate_tempname(const char *name, size_t extra_chars, size_t *lengthp) {
80  *lengthp = wcslen((const wchar_t *)name) + extra_chars;
81  return (char *)malloc(*lengthp * sizeof(wchar_t));
82 }
83 
84 
85 static HANDLE __stdcall utf16_create_file(const char *name, DWORD access, DWORD share_mode, PSECURITY_ATTRIBUTES security_attributes, DWORD creation_disposition, DWORD file_attributes, HANDLE template_file) {
86 #ifdef MS_UWP
87  CREATEFILE2_EXTENDED_PARAMETERS extParams = {0};
88  extParams.dwFileAttributes = file_attributes;
89  extParams.dwFileFlags = FILE_FLAG_RANDOM_ACCESS;
90  extParams.dwSecurityQosFlags = SECURITY_ANONYMOUS;
91  extParams.dwSize = sizeof(extParams);
92  extParams.hTemplateFile = template_file;
93  extParams.lpSecurityAttributes = security_attributes;
94 
95  return CreateFile2((const wchar_t *)name, access, share_mode, creation_disposition, &extParams);
96 #else
97  return CreateFileW((const wchar_t *)name, access, share_mode, security_attributes, creation_disposition, file_attributes, template_file);
98 #endif
99 }
100 
101 
102 static void
103 utf16_make_tempname(char *buf, size_t len, const char *name, zip_uint32_t i) {
104  _snwprintf((wchar_t *)buf, len, L"%s.%08x", (const wchar_t *)name, i);
105 }
106 
107 
108 static char *
109 utf16_strdup(const char *string) {
110  return (char *)_wcsdup((const wchar_t *)string);
111 }
len
size_t len
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i
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NULL
#define NULL
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start
static static sync static getppid static getegid const char static filename char static len const char char static bufsiz static mask static vfork const void static prot static getpgrp const char static swapflags static arg static fd static protocol static who struct sockaddr static addrlen static backlog struct timeval struct timezone static tz const struct iovec static count static mode const void const struct sockaddr static tolen const char static pathname void static offset struct stat static buf void long static basep static whence static length const void static len static semflg const void static shmflg const struct timespec struct timespec static rem const char static group const void start
Definition: sflib.h:133
length
static static sync static getppid static getegid const char static filename char static len const char char static bufsiz static mask static vfork const void static prot static getpgrp const char static swapflags static arg static fd static protocol static who struct sockaddr static addrlen static backlog struct timeval struct timezone static tz const struct iovec static count static mode const void const struct sockaddr static tolen const char static pathname void static offset struct stat static buf void long static basep static whence static length const void static len static semflg const void static shmflg const struct timespec struct timespec static rem const char static group const void length
Definition: sflib.h:133
buf
voidpf void * buf
Definition: ioapi.h:138
zip_error_set
ZIP_EXTERN void zip_error_set(zip_error_t *_Nullable, int, int)
Definition: zip_error.c:126
ZIP_EXTERN
#define ZIP_EXTERN
Definition: zip.h:54
ZIP_ER_INVAL
#define ZIP_ER_INVAL
Definition: zip.h:123
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void * malloc(size_t size)
Definition: malloc.c:123
access
static static fork const void static count static fd const char static mode const char static pathname const char static path const char static dev const char static group static getpid static getuid void void static data static pause access
Definition: sflib.h:64
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Definition: zip.h:284
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Definition: zipint.h:383
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Definition: zip_source_file_win32.h:52
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Definition: zipint.h:278
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Definition: zipint.h:281
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DWORD * HANDLE
Definition: windows_debug.h:119
DWORD
DWORD
Definition: windows_debug.h:119
L
#define L
Definition: zip_err_str.c:7
zip_source_file_common_new
zip_source_t * zip_source_file_common_new(const char *fname, void *file, zip_uint64_t start, zip_int64_t len, const zip_stat_t *st, zip_source_file_operations_t *ops, void *ops_userdata, zip_error_t *error)
Definition: zip_source_file_common.c:53
zip_source_file_win32.h
_zip_source_file_win32_named_ops
zip_source_file_operations_t _zip_source_file_win32_named_ops
Definition: zip_source_file_win32_named.c:48
zip_source_win32w_create
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)
Definition: zip_source_file_win32_utf16.c:67
ops_utf16
zip_win32_file_operations_t ops_utf16
Definition: zip_source_file_win32_utf16.c:43
utf16_make_tempname
static void utf16_make_tempname(char *buf, size_t len, const char *name, zip_uint32_t i)
Definition: zip_source_file_win32_utf16.c:103
zip_source_win32w
ZIP_EXTERN zip_source_t * zip_source_win32w(zip_t *za, const wchar_t *fname, zip_uint64_t start, zip_int64_t len)
Definition: zip_source_file_win32_utf16.c:58
utf16_create_file
static HANDLE __stdcall utf16_create_file(const char *name, DWORD access, DWORD share_mode, PSECURITY_ATTRIBUTES security_attributes, DWORD creation_disposition, DWORD file_attributes, HANDLE template_file)
Definition: zip_source_file_win32_utf16.c:85
utf16_allocate_tempname
static char * utf16_allocate_tempname(const char *name, size_t extra_chars, size_t *lengthp)
Definition: zip_source_file_win32_utf16.c:79
utf16_strdup
static char * utf16_strdup(const char *string)
Definition: zip_source_file_win32_utf16.c:109
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Definition: zipconf.h:37
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Definition: zipconf.h:38
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Definition: ziptool.c:79