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dolphin/Externals/minizip/mz_os_win32.c

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/* mz_os_win32.c -- System functions for Windows
part of the minizip-ng project
Copyright (C) 2010-2021 Nathan Moinvaziri
https://github.com/zlib-ng/minizip-ng
This program is distributed under the terms of the same license as zlib.
See the accompanying LICENSE file for the full text of the license.
*/
#include "mz.h"
#include "mz_os.h"
#include "mz_strm_os.h"
#include <windows.h>
#include <winioctl.h>
/***************************************************************************/
#if defined(WINAPI_FAMILY_PARTITION) && (!(defined(MZ_WINRT_API)))
# if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
# define MZ_WINRT_API 1
# endif
#endif
#ifndef SYMBOLIC_LINK_FLAG_DIRECTORY
# define SYMBOLIC_LINK_FLAG_DIRECTORY 0x1
#endif
/***************************************************************************/
typedef struct DIR_int_s {
void *find_handle;
WIN32_FIND_DATAW find_data;
struct dirent entry;
uint8_t end;
} DIR_int;
/***************************************************************************/
wchar_t *mz_os_unicode_string_create(const char *string, int32_t encoding) {
wchar_t *string_wide = NULL;
uint32_t string_wide_size = 0;
string_wide_size = MultiByteToWideChar(encoding, 0, string, -1, NULL, 0);
if (string_wide_size == 0)
return NULL;
string_wide = (wchar_t *)MZ_ALLOC((string_wide_size + 1) * sizeof(wchar_t));
if (string_wide == NULL)
return NULL;
memset(string_wide, 0, sizeof(wchar_t) * (string_wide_size + 1));
MultiByteToWideChar(encoding, 0, string, -1, string_wide, string_wide_size);
return string_wide;
}
void mz_os_unicode_string_delete(wchar_t **string) {
if (string != NULL) {
MZ_FREE(*string);
*string = NULL;
}
}
uint8_t *mz_os_utf8_string_create(const char *string, int32_t encoding) {
wchar_t *string_wide = NULL;
uint8_t *string_utf8 = NULL;
uint32_t string_utf8_size = 0;
string_wide = mz_os_unicode_string_create(string, encoding);
if (string_wide) {
string_utf8_size = WideCharToMultiByte(CP_UTF8, 0, string_wide, -1, NULL, 0, NULL, NULL);
string_utf8 = (uint8_t *)MZ_ALLOC((string_utf8_size + 1) * sizeof(wchar_t));
if (string_utf8) {
memset(string_utf8, 0, string_utf8_size + 1);
WideCharToMultiByte(CP_UTF8, 0, string_wide, -1, (char *)string_utf8, string_utf8_size, NULL, NULL);
}
mz_os_unicode_string_delete(&string_wide);
}
return string_utf8;
}
uint8_t *mz_os_utf8_string_create_from_unicode(const wchar_t *string, int32_t encoding) {
uint8_t *string_utf8 = NULL;
uint32_t string_utf8_size = 0;
MZ_UNUSED(encoding);
string_utf8_size = WideCharToMultiByte(CP_UTF8, 0, string, -1, NULL, 0, NULL, NULL);
string_utf8 = (uint8_t *)MZ_ALLOC((string_utf8_size + 1) * sizeof(wchar_t));
if (string_utf8) {
memset(string_utf8, 0, string_utf8_size + 1);
WideCharToMultiByte(CP_UTF8, 0, string, -1, (char *)string_utf8, string_utf8_size, NULL, NULL);
}
return string_utf8;
}
void mz_os_utf8_string_delete(uint8_t **string) {
if (string != NULL) {
MZ_FREE(*string);
*string = NULL;
}
}
/***************************************************************************/
int32_t mz_os_rand(uint8_t *buf, int32_t size) {
unsigned __int64 pentium_tsc[1];
int32_t len = 0;
for (len = 0; len < (int)size; len += 1) {
if (len % 8 == 0)
QueryPerformanceCounter((LARGE_INTEGER *)pentium_tsc);
buf[len] = ((unsigned char*)pentium_tsc)[len % 8];
}
return len;
}
int32_t mz_os_rename(const char *source_path, const char *target_path) {
wchar_t *source_path_wide = NULL;
wchar_t *target_path_wide = NULL;
int32_t result = 0;
int32_t err = MZ_OK;
if (source_path == NULL || target_path == NULL)
return MZ_PARAM_ERROR;
source_path_wide = mz_os_unicode_string_create(source_path, MZ_ENCODING_UTF8);
if (source_path_wide == NULL) {
err = MZ_PARAM_ERROR;
} else {
target_path_wide = mz_os_unicode_string_create(target_path, MZ_ENCODING_UTF8);
if (target_path_wide == NULL)
err = MZ_PARAM_ERROR;
}
if (err == MZ_OK) {
#ifdef MZ_WINRT_API
result = MoveFileExW(source_path_wide, target_path_wide, MOVEFILE_WRITE_THROUGH);
#else
result = MoveFileW(source_path_wide, target_path_wide);
#endif
if (result == 0)
err = MZ_EXIST_ERROR;
}
if (target_path_wide)
mz_os_unicode_string_delete(&target_path_wide);
if (source_path_wide)
mz_os_unicode_string_delete(&source_path_wide);
return err;
}
int32_t mz_os_unlink(const char *path) {
wchar_t *path_wide = NULL;
int32_t result = 0;
if (path == NULL)
return MZ_PARAM_ERROR;
path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8);
if (path_wide == NULL)
return MZ_PARAM_ERROR;
if (mz_os_is_dir(path) == MZ_OK)
result = RemoveDirectoryW(path_wide);
else
result = DeleteFileW(path_wide);
mz_os_unicode_string_delete(&path_wide);
if (result == 0)
return MZ_EXIST_ERROR;
return MZ_OK;
}
int32_t mz_os_file_exists(const char *path) {
wchar_t *path_wide = NULL;
DWORD attribs = 0;
if (path == NULL)
return MZ_PARAM_ERROR;
path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8);
if (path_wide == NULL)
return MZ_PARAM_ERROR;
attribs = GetFileAttributesW(path_wide);
mz_os_unicode_string_delete(&path_wide);
if (attribs == 0xFFFFFFFF)
return MZ_EXIST_ERROR;
return MZ_OK;
}
int64_t mz_os_get_file_size(const char *path) {
HANDLE handle = NULL;
LARGE_INTEGER large_size;
wchar_t *path_wide = NULL;
if (path == NULL)
return MZ_PARAM_ERROR;
path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8);
if (path_wide == NULL)
return MZ_PARAM_ERROR;
#ifdef MZ_WINRT_API
handle = CreateFile2(path_wide, GENERIC_READ, 0, OPEN_EXISTING, NULL);
#else
handle = CreateFileW(path_wide, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
#endif
mz_os_unicode_string_delete(&path_wide);
large_size.QuadPart = 0;
if (handle != INVALID_HANDLE_VALUE) {
GetFileSizeEx(handle, &large_size);
CloseHandle(handle);
}
return large_size.QuadPart;
}
static void mz_os_file_to_unix_time(FILETIME file_time, time_t *unix_time) {
uint64_t quad_file_time = 0;
quad_file_time = file_time.dwLowDateTime;
quad_file_time |= ((uint64_t)file_time.dwHighDateTime << 32);
*unix_time = (time_t)((quad_file_time - 116444736000000000LL) / 10000000);
}
static void mz_os_unix_to_file_time(time_t unix_time, FILETIME *file_time) {
uint64_t quad_file_time = 0;
quad_file_time = ((uint64_t)unix_time * 10000000) + 116444736000000000LL;
file_time->dwHighDateTime = (quad_file_time >> 32);
file_time->dwLowDateTime = (uint32_t)(quad_file_time);
}
int32_t mz_os_get_file_date(const char *path, time_t *modified_date, time_t *accessed_date, time_t *creation_date) {
WIN32_FIND_DATAW ff32;
HANDLE handle = NULL;
wchar_t *path_wide = NULL;
int32_t err = MZ_INTERNAL_ERROR;
if (path == NULL)
return MZ_PARAM_ERROR;
path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8);
if (path_wide == NULL)
return MZ_PARAM_ERROR;
handle = FindFirstFileW(path_wide, &ff32);
MZ_FREE(path_wide);
if (handle != INVALID_HANDLE_VALUE) {
if (modified_date != NULL)
mz_os_file_to_unix_time(ff32.ftLastWriteTime, modified_date);
if (accessed_date != NULL)
mz_os_file_to_unix_time(ff32.ftLastAccessTime, accessed_date);
if (creation_date != NULL)
mz_os_file_to_unix_time(ff32.ftCreationTime, creation_date);
FindClose(handle);
err = MZ_OK;
}
return err;
}
int32_t mz_os_set_file_date(const char *path, time_t modified_date, time_t accessed_date, time_t creation_date) {
HANDLE handle = NULL;
FILETIME ftm_creation, ftm_accessed, ftm_modified;
wchar_t *path_wide = NULL;
int32_t err = MZ_OK;
if (path == NULL)
return MZ_PARAM_ERROR;
path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8);
if (path_wide == NULL)
return MZ_PARAM_ERROR;
#ifdef MZ_WINRT_API
handle = CreateFile2(path_wide, GENERIC_READ | GENERIC_WRITE, 0, OPEN_EXISTING, NULL);
#else
handle = CreateFileW(path_wide, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
#endif
mz_os_unicode_string_delete(&path_wide);
if (handle != INVALID_HANDLE_VALUE) {
GetFileTime(handle, &ftm_creation, &ftm_accessed, &ftm_modified);
if (modified_date != 0)
mz_os_unix_to_file_time(modified_date, &ftm_modified);
if (accessed_date != 0)
mz_os_unix_to_file_time(accessed_date, &ftm_accessed);
if (creation_date != 0)
mz_os_unix_to_file_time(creation_date, &ftm_creation);
if (SetFileTime(handle, &ftm_creation, &ftm_accessed, &ftm_modified) == 0)
err = MZ_INTERNAL_ERROR;
CloseHandle(handle);
}
return err;
}
int32_t mz_os_get_file_attribs(const char *path, uint32_t *attributes) {
wchar_t *path_wide = NULL;
int32_t err = MZ_OK;
if (path == NULL || attributes == NULL)
return MZ_PARAM_ERROR;
path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8);
if (path_wide == NULL)
return MZ_PARAM_ERROR;
*attributes = GetFileAttributesW(path_wide);
mz_os_unicode_string_delete(&path_wide);
if (*attributes == INVALID_FILE_ATTRIBUTES)
err = MZ_INTERNAL_ERROR;
return err;
}
int32_t mz_os_set_file_attribs(const char *path, uint32_t attributes) {
wchar_t *path_wide = NULL;
int32_t err = MZ_OK;
if (path == NULL)
return MZ_PARAM_ERROR;
path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8);
if (path_wide == NULL)
return MZ_PARAM_ERROR;
if (SetFileAttributesW(path_wide, attributes) == 0)
err = MZ_INTERNAL_ERROR;
mz_os_unicode_string_delete(&path_wide);
return err;
}
int32_t mz_os_make_dir(const char *path) {
wchar_t *path_wide = NULL;
int32_t err = MZ_OK;
if (path == NULL)
return MZ_PARAM_ERROR;
/* Don't try to create a drive letter */
if ((path[0] != 0) && (strlen(path) <= 3) && (path[1] == ':'))
return mz_os_is_dir(path);
path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8);
if (path_wide == NULL)
return MZ_PARAM_ERROR;
if (CreateDirectoryW(path_wide, NULL) == 0) {
if (GetLastError() != ERROR_ALREADY_EXISTS)
err = MZ_INTERNAL_ERROR;
}
mz_os_unicode_string_delete(&path_wide);
return err;
}
DIR *mz_os_open_dir(const char *path) {
WIN32_FIND_DATAW find_data;
DIR_int *dir_int = NULL;
wchar_t *path_wide = NULL;
char fixed_path[320];
void *handle = NULL;
if (path == NULL)
return NULL;
strncpy(fixed_path, path, sizeof(fixed_path) - 1);
fixed_path[sizeof(fixed_path) - 1] = 0;
mz_path_append_slash(fixed_path, sizeof(fixed_path), MZ_PATH_SLASH_PLATFORM);
mz_path_combine(fixed_path, "*", sizeof(fixed_path));
path_wide = mz_os_unicode_string_create(fixed_path, MZ_ENCODING_UTF8);
if (path_wide == NULL)
return NULL;
handle = FindFirstFileW(path_wide, &find_data);
mz_os_unicode_string_delete(&path_wide);
if (handle == INVALID_HANDLE_VALUE)
return NULL;
dir_int = (DIR_int *)MZ_ALLOC(sizeof(DIR_int));
if (dir_int == NULL)
return NULL;
dir_int->find_handle = handle;
dir_int->end = 0;
memcpy(&dir_int->find_data, &find_data, sizeof(dir_int->find_data));
return (DIR *)dir_int;
}
struct dirent* mz_os_read_dir(DIR *dir) {
DIR_int *dir_int;
if (dir == NULL)
return NULL;
dir_int = (DIR_int *)dir;
if (dir_int->end)
return NULL;
WideCharToMultiByte(CP_UTF8, 0, dir_int->find_data.cFileName, -1,
dir_int->entry.d_name, sizeof(dir_int->entry.d_name), NULL, NULL);
if (FindNextFileW(dir_int->find_handle, &dir_int->find_data) == 0) {
if (GetLastError() != ERROR_NO_MORE_FILES)
return NULL;
dir_int->end = 1;
}
return &dir_int->entry;
}
int32_t mz_os_close_dir(DIR *dir) {
DIR_int *dir_int;
if (dir == NULL)
return MZ_PARAM_ERROR;
dir_int = (DIR_int *)dir;
if (dir_int->find_handle != INVALID_HANDLE_VALUE)
FindClose(dir_int->find_handle);
MZ_FREE(dir_int);
return MZ_OK;
}
int32_t mz_os_is_dir(const char *path) {
wchar_t *path_wide = NULL;
uint32_t attribs = 0;
if (path == NULL)
return MZ_PARAM_ERROR;
path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8);
if (path_wide == NULL)
return MZ_PARAM_ERROR;
attribs = GetFileAttributesW(path_wide);
mz_os_unicode_string_delete(&path_wide);
if (attribs != 0xFFFFFFFF) {
if (attribs & FILE_ATTRIBUTE_DIRECTORY)
return MZ_OK;
}
return MZ_EXIST_ERROR;
}
int32_t mz_os_is_symlink(const char *path) {
wchar_t *path_wide = NULL;
uint32_t attribs = 0;
if (path == NULL)
return MZ_PARAM_ERROR;
path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8);
if (path_wide == NULL)
return MZ_PARAM_ERROR;
attribs = GetFileAttributesW(path_wide);
mz_os_unicode_string_delete(&path_wide);
if (attribs != 0xFFFFFFFF) {
if (attribs & FILE_ATTRIBUTE_REPARSE_POINT)
return MZ_OK;
}
return MZ_EXIST_ERROR;
}
int32_t mz_os_make_symlink(const char *path, const char *target_path) {
typedef BOOLEAN (WINAPI *LPCREATESYMBOLICLINKW)(LPCWSTR, LPCWSTR, DWORD);
LPCREATESYMBOLICLINKW create_symbolic_link_w = NULL;
HMODULE kernel32_mod = NULL;
wchar_t *path_wide = NULL;
wchar_t *target_path_wide = NULL;
int32_t err = MZ_OK;
int32_t flags = 0;
if (path == NULL)
return MZ_PARAM_ERROR;
#ifdef MZ_WINRT_API
MEMORY_BASIC_INFORMATION mbi;
memset(&mbi, 0, sizeof(mbi));
VirtualQuery(VirtualQuery, &mbi, sizeof(mbi));
kernel32_mod = (HMODULE)mbi.AllocationBase;
#else
kernel32_mod = GetModuleHandleW(L"kernel32.dll");
#endif
if (kernel32_mod == NULL)
return MZ_SUPPORT_ERROR;
create_symbolic_link_w = (LPCREATESYMBOLICLINKW)GetProcAddress(kernel32_mod, "CreateSymbolicLinkW");
if (create_symbolic_link_w == NULL) {
return MZ_SUPPORT_ERROR;
}
path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8);
if (path_wide == NULL) {
return MZ_PARAM_ERROR;
}
target_path_wide = mz_os_unicode_string_create(target_path, MZ_ENCODING_UTF8);
if (target_path_wide != NULL) {
if (mz_path_has_slash(target_path) == MZ_OK)
flags |= SYMBOLIC_LINK_FLAG_DIRECTORY;
if (create_symbolic_link_w(path_wide, target_path_wide, flags) == FALSE)
err = MZ_SYMLINK_ERROR;
mz_os_unicode_string_delete(&target_path_wide);
} else {
err = MZ_PARAM_ERROR;
}
mz_os_unicode_string_delete(&path_wide);
return err;
}
int32_t mz_os_read_symlink(const char *path, char *target_path, int32_t max_target_path) {
typedef struct _REPARSE_DATA_BUFFER {
ULONG ReparseTag;
USHORT ReparseDataLength;
USHORT Reserved;
union {
struct {
USHORT SubstituteNameOffset;
USHORT SubstituteNameLength;
USHORT PrintNameOffset;
USHORT PrintNameLength;
ULONG Flags;
WCHAR PathBuffer[1];
} SymbolicLinkReparseBuffer;
struct {
USHORT SubstituteNameOffset;
USHORT SubstituteNameLength;
USHORT PrintNameOffset;
USHORT PrintNameLength;
WCHAR PathBuffer[1];
} MountPointReparseBuffer;
struct {
UCHAR DataBuffer[1];
} GenericReparseBuffer;
};
} REPARSE_DATA_BUFFER;
REPARSE_DATA_BUFFER *reparse_data = NULL;
DWORD length = 0;
HANDLE handle = NULL;
wchar_t *path_wide = NULL;
wchar_t *target_path_wide = NULL;
uint8_t buffer[MAXIMUM_REPARSE_DATA_BUFFER_SIZE];
int32_t target_path_len = 0;
int32_t target_path_idx = 0;
int32_t err = MZ_OK;
uint8_t *target_path_utf8 = NULL;
if (path == NULL)
return MZ_PARAM_ERROR;
path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8);
if (path_wide == NULL)
return MZ_PARAM_ERROR;
#ifdef MZ_WINRT_API
CREATEFILE2_EXTENDED_PARAMETERS extended_params;
memset(&extended_params, 0, sizeof(extended_params));
extended_params.dwSize = sizeof(extended_params);
extended_params.dwFileAttributes = FILE_ATTRIBUTE_NORMAL;
extended_params.dwFileFlags = FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT;
extended_params.dwSecurityQosFlags = SECURITY_ANONYMOUS;
extended_params.lpSecurityAttributes = NULL;
extended_params.hTemplateFile = NULL;
handle = CreateFile2(path_wide, FILE_READ_EA, FILE_SHARE_READ | FILE_SHARE_WRITE, OPEN_EXISTING, &extended_params);
#else
handle = CreateFileW(path_wide, FILE_READ_EA, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT, NULL);
#endif
if (handle == INVALID_HANDLE_VALUE) {
mz_os_unicode_string_delete(&path_wide);
return MZ_OPEN_ERROR;
}
if (DeviceIoControl(handle, FSCTL_GET_REPARSE_POINT, NULL, 0, buffer, sizeof(buffer), &length, NULL) == TRUE) {
reparse_data = (REPARSE_DATA_BUFFER *)buffer;
if ((IsReparseTagMicrosoft(reparse_data->ReparseTag)) &&
(reparse_data->ReparseTag == IO_REPARSE_TAG_SYMLINK)) {
target_path_len = max_target_path * sizeof(wchar_t);
if (target_path_len > reparse_data->SymbolicLinkReparseBuffer.PrintNameLength)
target_path_len = reparse_data->SymbolicLinkReparseBuffer.PrintNameLength;
target_path_wide = (wchar_t *)MZ_ALLOC(target_path_len + sizeof(wchar_t));
if (target_path_wide) {
target_path_idx = reparse_data->SymbolicLinkReparseBuffer.PrintNameOffset / sizeof(wchar_t);
memcpy(target_path_wide, &reparse_data->SymbolicLinkReparseBuffer.PathBuffer[target_path_idx],
target_path_len);
target_path_wide[target_path_len / sizeof(wchar_t)] = 0;
target_path_utf8 = mz_os_utf8_string_create_from_unicode(target_path_wide, MZ_ENCODING_UTF8);
if (target_path_utf8) {
strncpy(target_path, (const char *)target_path_utf8, max_target_path - 1);
target_path[max_target_path - 1] = 0;
/* Ensure directories have slash at the end so we can recreate them later */
if (mz_os_is_dir((const char *)target_path_utf8) == MZ_OK)
mz_path_append_slash(target_path, max_target_path, MZ_PATH_SLASH_PLATFORM);
mz_os_utf8_string_delete(&target_path_utf8);
} else {
err = MZ_MEM_ERROR;
}
MZ_FREE(target_path_wide);
} else {
err = MZ_MEM_ERROR;
}
}
} else {
err = MZ_INTERNAL_ERROR;
}
CloseHandle(handle);
mz_os_unicode_string_delete(&path_wide);
return err;
}
uint64_t mz_os_ms_time(void) {
SYSTEMTIME system_time;
FILETIME file_time;
uint64_t quad_file_time = 0;
GetSystemTime(&system_time);
SystemTimeToFileTime(&system_time, &file_time);
quad_file_time = file_time.dwLowDateTime;
quad_file_time |= ((uint64_t)file_time.dwHighDateTime << 32);
return quad_file_time / 10000 - 11644473600000LL;
}
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