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With flag FORMAT_MESSAGE_ALLOCATE_BUFFER, size of message is automatically defined.
This commit is contained in:
jcdr428 2022-01-05 19:58:20 +01:00
parent ea9f3a75cd
commit ec89ab3247
1 changed files with 4 additions and 7 deletions
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11
tsMuxer/bufferedFileReader.cpp
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@ -23,16 +23,13 @@ bool FileReaderData::openStream()
if (!rez)
{
#ifdef _WIN32
char msgBuf[32 * 1024];
memset(msgBuf, 0, sizeof(msgBuf));
LPVOID msgBuf = nullptr;
DWORD dw = GetLastError();
FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, NULL, dw, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&msgBuf,
sizeof(msgBuf), NULL);
FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, NULL, dw,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&msgBuf, 0, NULL);
string str(msgBuf);
string str((char*)msgBuf);
LTRACE(LT_ERROR, 0, msgBuf);
#endif
}