Update contrib/minizip/iowin32.c for Windows RT [Vollant].

contrib/minizip/iowin32.c

@@ -25,6 +25,13 @@
 #define INVALID_SET_FILE_POINTER ((DWORD)-1)
 #endif
 
+
+#if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API)))
+#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
+#define IOWIN32_USING_WINRT_API 1
+#endif
+#endif
+
 voidpf  ZCALLBACK win32_open_file_func  OF((voidpf opaque, const char* filename, int mode));
 uLong   ZCALLBACK win32_read_file_func  OF((voidpf opaque, voidpf stream, void* buf, uLong size));
 uLong   ZCALLBACK win32_write_file_func OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
@@ -93,8 +100,22 @@ voidpf ZCALLBACK win32_open64_file_func (voidpf opaque,const void* filename,int
 
     win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
 
+#ifdef IOWIN32_USING_WINRT_API
+#ifdef UNICODE
+    if ((filename!=NULL) && (dwDesiredAccess != 0))
+        hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
+#else
+    if ((filename!=NULL) && (dwDesiredAccess != 0))
+    {
+        WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
+        MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
+        hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
+    }
+#endif
+#else
     if ((filename!=NULL) && (dwDesiredAccess != 0))
         hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
+#endif
 
     return win32_build_iowin(hFile);
 }
@@ -108,8 +129,17 @@ voidpf ZCALLBACK win32_open64_file_funcA (voidpf opaque,const void* filename,int
 
     win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
 
+#ifdef IOWIN32_USING_WINRT_API
+    if ((filename!=NULL) && (dwDesiredAccess != 0))
+    {
+        WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
+        MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
+        hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
+    }
+#else
     if ((filename!=NULL) && (dwDesiredAccess != 0))
         hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
+#endif
 
     return win32_build_iowin(hFile);
 }
@@ -123,8 +153,13 @@ voidpf ZCALLBACK win32_open64_file_funcW (voidpf opaque,const void* filename,int
 
     win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
 
+#ifdef IOWIN32_USING_WINRT_API
+    if ((filename!=NULL) && (dwDesiredAccess != 0))
+        hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition,NULL);
+#else
     if ((filename!=NULL) && (dwDesiredAccess != 0))
         hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
+#endif
 
     return win32_build_iowin(hFile);
 }
@@ -138,8 +173,22 @@ voidpf ZCALLBACK win32_open_file_func (voidpf opaque,const char* filename,int mo
 
     win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
 
+#ifdef IOWIN32_USING_WINRT_API
+#ifdef UNICODE
+    if ((filename!=NULL) && (dwDesiredAccess != 0))
+        hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
+#else
+    if ((filename!=NULL) && (dwDesiredAccess != 0))
+    {
+        WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
+        MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
+        hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
+    }
+#endif
+#else
     if ((filename!=NULL) && (dwDesiredAccess != 0))
         hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
+#endif
 
     return win32_build_iowin(hFile);
 }
@@ -188,6 +237,26 @@ uLong ZCALLBACK win32_write_file_func (voidpf opaque,voidpf stream,const void* b
     return ret;
 }
 
+static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos,  DWORD dwMoveMethod)
+{
+#ifdef IOWIN32_USING_WINRT_API
+    return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod);
+#else
+    LONG lHigh = pos.HighPart;
+    DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, FILE_CURRENT);
+    BOOL fOk = TRUE;
+    if (dwNewPos == 0xFFFFFFFF)
+        if (GetLastError() != NO_ERROR)
+            fOk = FALSE;
+    if ((newPos != NULL) && (fOk))
+    {
+        newPos->LowPart = dwNewPos;
+        newPos->HighPart = lHigh;
+    }
+    return fOk;
+#endif
+}
+
 long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream)
 {
     long ret=-1;
@@ -196,15 +265,17 @@ long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream)
         hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
     if (hFile != NULL)
     {
-        DWORD dwSet = SetFilePointer(hFile, 0, NULL, FILE_CURRENT);
+        LARGE_INTEGER pos;
-        if (dwSet == INVALID_SET_FILE_POINTER)
+        pos.QuadPart = 0;
+
+        if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
         {
             DWORD dwErr = GetLastError();
             ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
             ret = -1;
         }
         else
-            ret=(long)dwSet;
+            ret=(long)pos.LowPart;
     }
     return ret;
 }
@@ -218,17 +289,17 @@ ZPOS64_T ZCALLBACK win32_tell64_file_func (voidpf opaque, voidpf stream)
 
     if (hFile)
     {
-        LARGE_INTEGER li;
+        LARGE_INTEGER pos;
-        li.QuadPart = 0;
+        pos.QuadPart = 0;
-        li.u.LowPart = SetFilePointer(hFile, li.u.LowPart, &li.u.HighPart, FILE_CURRENT);
+
-        if ( (li.LowPart == 0xFFFFFFFF) && (GetLastError() != NO_ERROR))
+        if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
         {
             DWORD dwErr = GetLastError();
             ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
             ret = (ZPOS64_T)-1;
         }
         else
-            ret=li.QuadPart;
+            ret=pos.QuadPart;
     }
     return ret;
 }
@@ -258,8 +329,9 @@ long ZCALLBACK win32_seek_file_func (voidpf opaque,voidpf stream,uLong offset,in
 
     if (hFile != NULL)
     {
-        DWORD dwSet = SetFilePointer(hFile, offset, NULL, dwMoveMethod);
+        LARGE_INTEGER pos;
-        if (dwSet == INVALID_SET_FILE_POINTER)
+        pos.QuadPart = offset;
+        if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod))
         {
             DWORD dwErr = GetLastError();
             ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
@@ -296,9 +368,9 @@ long ZCALLBACK win32_seek64_file_func (voidpf opaque, voidpf stream,ZPOS64_T off
 
     if (hFile)
     {
-        LARGE_INTEGER* li = (LARGE_INTEGER*)&offset;
+        LARGE_INTEGER pos;
-        DWORD dwSet = SetFilePointer(hFile, li->u.LowPart, &li->u.HighPart, dwMoveMethod);
+        pos.QuadPart = offset;
-        if (dwSet == INVALID_SET_FILE_POINTER)
+        if (!MySetFilePointerEx(hFile, pos, NULL, FILE_CURRENT))
         {
             DWORD dwErr = GetLastError();
             ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;