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src/hb-blob.cc: Fix mmap functionality with UWP.

This commit is contained in:
Matt Oliver 2018-09-23 18:08:30 +10:00 committed by Behdad Esfahbod
parent b7f1bbc2f8
commit 24dd6c1a9d
2 changed files with 30 additions and 1 deletions
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27
src/hb-blob.cc
View File

@ -574,18 +574,45 @@ fail_without_close:
wchar_t * wchar_file_name = (wchar_t *) malloc (sizeof (wchar_t) * size);
if (unlikely (wchar_file_name == nullptr)) goto fail_without_close;
mbstowcs (wchar_file_name, file_name, size);
#if defined(WINAPI_FAMILY) && (WINAPI_FAMILY==WINAPI_FAMILY_PC_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP)
{
CREATEFILE2_EXTENDED_PARAMETERS ceparams = { 0 };
ceparams.dwSize = sizeof(CREATEFILE2_EXTENDED_PARAMETERS);
ceparams.dwFileAttributes = FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED & 0xFFFF;
ceparams.dwFileFlags = FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED & 0xFFF00000;
ceparams.dwSecurityQosFlags = FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED & 0x000F0000;
ceparams.lpSecurityAttributes = nullptr;
ceparams.hTemplateFile = nullptr;
fd = CreateFile2 (wchar_file_name, GENERIC_READ, FILE_SHARE_READ,
OPEN_EXISTING, &ceparams);
}
#else
fd = CreateFileW (wchar_file_name, GENERIC_READ, FILE_SHARE_READ, nullptr,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL|FILE_FLAG_OVERLAPPED,
nullptr);
#endif
free (wchar_file_name);
if (unlikely (fd == INVALID_HANDLE_VALUE)) goto fail_without_close;
#if defined(WINAPI_FAMILY) && (WINAPI_FAMILY==WINAPI_FAMILY_PC_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP)
{
LARGE_INTEGER length;
GetFileSizeEx (fd, &length);
file->length = length.LowPart;
file->mapping = CreateFileMappingFromApp (fd, nullptr, PAGE_READONLY, length.QuadPart, nullptr);
}
#else
file->length = (unsigned long) GetFileSize (fd, nullptr);
file->mapping = CreateFileMapping (fd, nullptr, PAGE_READONLY, 0, 0, nullptr);
#endif
if (unlikely (file->mapping == nullptr)) goto fail;
#if defined(WINAPI_FAMILY) && (WINAPI_FAMILY==WINAPI_FAMILY_PC_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP)
file->contents = (char *) MapViewOfFileFromApp (file->mapping, FILE_MAP_READ, 0, 0);
#else
file->contents = (char *) MapViewOfFile (file->mapping, FILE_MAP_READ, 0, 0, 0);
#endif
if (unlikely (file->contents == nullptr)) goto fail;
CloseHandle (fd);

4
src/hb.hh
View File

@ -237,7 +237,9 @@ struct _hb_alignof
# undef _WIN32_WINNT
# endif
# ifndef _WIN32_WINNT
# define _WIN32_WINNT 0x0600
# if !defined(WINAPI_FAMILY) || !(WINAPI_FAMILY==WINAPI_FAMILY_PC_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP)
# define _WIN32_WINNT 0x0600
# endif
# endif
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN 1