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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#include <stdio.h>
#include <utilcode.h>
#include "resourcestring.h"
static int CompareNativeStringResources(const void *a, const void *b)
{
unsigned int resourceIdA = ((NativeStringResource*)a)->resourceId;
unsigned int resourceIdB = ((NativeStringResource*)b)->resourceId;
if (resourceIdA < resourceIdB)
return -1;
if (resourceIdA == resourceIdB)
return 0;
return 1;
}
int LoadNativeStringResource(const NativeStringResourceTable &nativeStringResourceTable, unsigned int iResourceID, WCHAR* szBuffer, int iMax, int *pcwchUsed)
{
int len = 0;
if (szBuffer && iMax)
{
// Search the sorted set of resources for the ID we're interested in.
NativeStringResource searchEntry = {iResourceID, NULL};
NativeStringResource *resourceEntry = (NativeStringResource*)bsearch(
&searchEntry,
nativeStringResourceTable.table,
nativeStringResourceTable.size,
sizeof(NativeStringResource),
CompareNativeStringResources);
if (resourceEntry != NULL)
{
len = PAL_GetResourceString(NULL, resourceEntry->resourceString, szBuffer, iMax);
if (len == 0)
{
int hr = HRESULT_FROM_GetLastError();
// Tell the caller if the buffer isn't big enough
if (hr == HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER) && pcwchUsed)
*pcwchUsed = iMax;
return hr;
}
}
else
{
// The resource ID wasn't found in our array. Fall back on returning the ID as a string.
len = _snwprintf_s(szBuffer, iMax, _TRUNCATE, W("[Undefined resource string ID:0x%X]"), iResourceID);
if (len < 0)
{
// The only possible failure is that that string didn't fit the buffer. So the buffer contains
// partial string terminated by '\0'
// We could return ERROR_INSUFFICIENT_BUFFER, but we'll error on the side of caution here and
// actually show something (given that this is likely a scenario involving a bug/deployment issue)
len = iMax - 1;
}
}
}
if (pcwchUsed)
{
*pcwchUsed = len;
}
return S_OK;
}
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