winamp/Src/nde/NDEString.cpp

84 lines
1.7 KiB
C++

#include "NDEString.h"
#include "foundation/error.h"
#include <windows.h>
typedef BOOL (WINAPI *HEAPSETINFORMATION)(HANDLE HeapHandle, HEAP_INFORMATION_CLASS HeapInformationClass, PVOID HeapInformation, SIZE_T HeapInformationLength);
static HANDLE string_heap=0;
static HMODULE kernel=0;
extern "C" void NDE_HeapInit()
{
if (!string_heap)
{
string_heap=HeapCreate(0, 0, 0);
kernel = LoadLibraryW(L"kernel32.dll");
if (kernel)
{
HEAPSETINFORMATION hsi = (HEAPSETINFORMATION)GetProcAddress(kernel, "HeapSetInformation");
if (hsi)
{
ULONG argh = 2;
hsi(string_heap, HeapCompatibilityInformation, &argh, sizeof(ULONG));
}
}
NXStringSetHeap(string_heap);
}
}
extern "C" void NDE_HeapQuit()
{
if (kernel)
FreeLibrary(kernel);
}
nx_string_t ndestring_get_string(wchar_t *str)
{
if (!str)
return 0;
nx_string_t self = (nx_string_t)((uint8_t *)str - sizeof(size_t) - sizeof(size_t));
return self;
}
wchar_t *ndestring_wcsdup(const wchar_t *str)
{
NDE_HeapInit();
if (!str)
return 0;
nx_string_t value;
if (NXStringCreateWithUTF16(&value, str) != NErr_Success)
return 0;
return value->string;
}
wchar_t *ndestring_wcsndup(const wchar_t *str, size_t len)
{
NDE_HeapInit();
if (!str)
return 0;
nx_string_t value;
if (NXStringCreateWithBytes(&value, str, len*2, nx_charset_utf16le) != NErr_Success)
return 0;
return value->string;
}
wchar_t *ndestring_malloc(size_t str_size)
{
NDE_HeapInit();
nx_string_t value=NXStringMalloc((str_size+1)/2 - 1);
if (!value)
return 0;
return value->string;
}
void ndestring_release(wchar_t *str)
{
nx_string_t value = ndestring_get_string(str);
NXStringRelease(value);
}
void ndestring_retain(wchar_t *str)
{
nx_string_t value = ndestring_get_string(str);
NXStringRetain(value);
}