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dwrite: Call RegEnumValueW with value and val_count parameters.

This commit is contained in:
Bernhard Übelacker 2015-07-05 19:04:42 +02:00 committed by Alexandre Julliard
parent f9105eac34
commit 119501fee8
1 changed files with 28 additions and 7 deletions
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35
dlls/dwrite/font.c
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@ -1853,8 +1853,8 @@ static ULONG WINAPI systemfontfileenumerator_Release(IDWriteFontFileEnumerator *
static HRESULT WINAPI systemfontfileenumerator_GetCurrentFontFile(IDWriteFontFileEnumerator *iface, IDWriteFontFile **file)
{
struct system_fontfile_enumerator *enumerator = impl_from_IDWriteFontFileEnumerator(iface);
DWORD ret, type, count;
WCHAR *filename;
DWORD ret, type, val_count, count;
WCHAR *value, *filename;
HRESULT hr;
*file = NULL;
@ -1862,14 +1862,22 @@ static HRESULT WINAPI systemfontfileenumerator_GetCurrentFontFile(IDWriteFontFil
if (enumerator->index < 0)
return E_FAIL;
if (RegEnumValueW(enumerator->hkey, enumerator->index, NULL, NULL, NULL, &type, NULL, &count))
ret = RegQueryInfoKeyW(enumerator->hkey, NULL, NULL, NULL, NULL, NULL, NULL, NULL, &val_count, &count, NULL, NULL);
if (ret != ERROR_SUCCESS)
return E_FAIL;
if (!(filename = heap_alloc(count)))
val_count++;
value = heap_alloc( val_count * sizeof(value[0]) );
filename = heap_alloc(count);
if (!value || !filename) {
heap_free(value);
heap_free(filename);
return E_OUTOFMEMORY;
}
ret = RegEnumValueW(enumerator->hkey, enumerator->index, NULL, NULL, NULL, &type, (BYTE*)filename, &count);
ret = RegEnumValueW(enumerator->hkey, enumerator->index, value, &val_count, NULL, &type, (BYTE*)filename, &count);
if (ret) {
heap_free(value);
heap_free(filename);
return E_FAIL;
}
@ -1888,6 +1896,7 @@ static HRESULT WINAPI systemfontfileenumerator_GetCurrentFontFile(IDWriteFontFil
else
hr = IDWriteFactory2_CreateFontFileReference(enumerator->factory, filename, NULL, file);
heap_free(value);
heap_free(filename);
return hr;
}
@ -1895,14 +1904,25 @@ static HRESULT WINAPI systemfontfileenumerator_GetCurrentFontFile(IDWriteFontFil
static HRESULT WINAPI systemfontfileenumerator_MoveNext(IDWriteFontFileEnumerator *iface, BOOL *current)
{
struct system_fontfile_enumerator *enumerator = impl_from_IDWriteFontFileEnumerator(iface);
DWORD ret, max_val_count;
WCHAR *value;
*current = FALSE;
enumerator->index++;
ret = RegQueryInfoKeyW(enumerator->hkey, NULL, NULL, NULL, NULL, NULL, NULL, NULL, &max_val_count, NULL, NULL, NULL);
if (ret != ERROR_SUCCESS)
return E_FAIL;
max_val_count++;
if (!(value = heap_alloc( max_val_count * sizeof(value[0]) )))
return E_OUTOFMEMORY;
/* iterate until we find next string value */
while (1) {
DWORD type = 0, count;
if (RegEnumValueW(enumerator->hkey, enumerator->index, NULL, NULL, NULL, &type, NULL, &count))
DWORD type = 0, count, val_count;
val_count = max_val_count;
if (RegEnumValueW(enumerator->hkey, enumerator->index, value, &val_count, NULL, &type, NULL, &count))
break;
if (type == REG_SZ) {
*current = TRUE;
@ -1912,6 +1932,7 @@ static HRESULT WINAPI systemfontfileenumerator_MoveNext(IDWriteFontFileEnumerato
}
TRACE("index = %d, current = %d\n", enumerator->index, *current);
heap_free(value);
return S_OK;
}