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assimp_view: fix crash when trying to export while no model is loaded.

pull/317/head
Alexander Gessler 2014-07-22 20:35:09 +02:00
parent 3419fedb3c
commit cc32eda226
1 changed files with 4 additions and 5 deletions
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9
tools/assimp_view/MessageProc.cpp
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@ -1030,18 +1030,17 @@ void PopulateExportMenu()
//------------------------------------------------------------------------------- //-------------------------------------------------------------------------------
void DoExport(size_t formatId) void DoExport(size_t formatId)
{ {
if (!g_szFileName) { if (!g_szFileName[0]) {
MessageBox(g_hDlg, "No model loaded", "Export", MB_ICONERROR);
return; return;
} }
Exporter exp; Exporter exp;
const aiExportFormatDesc* const e = exp.GetExportFormatDescription(formatId); const aiExportFormatDesc* const e = exp.GetExportFormatDescription(formatId);
ai_assert(e); ai_assert(e);
char szFileName[MAX_PATH*2]; char szFileName[MAX_PATH*2];
DWORD dwTemp; DWORD dwTemp = sizeof(szFileName);
if(ERROR_SUCCESS == RegQueryValueEx(g_hRegistry,"ModelExportDest",NULL,NULL,(BYTE*)szFileName,&dwTemp)) { if(ERROR_SUCCESS == RegQueryValueEx(g_hRegistry,"ModelExportDest",NULL,NULL,(BYTE*)szFileName, &dwTemp)) {
ai_assert(dwTemp == MAX_PATH + 1);
ai_assert(strlen(szFileName) <= MAX_PATH); ai_assert(strlen(szFileName) <= MAX_PATH);
// invent a nice default file name // invent a nice default file name