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hw/xwin/glx: Improvements to glxWinErrorMessage() reporting in WGL GLX provider

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Request the message using languageID 0 (best effort), rather than only using language neutral messages
Always report the numeric error code.
Trim any trailing \r from FormatMessage() output

Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
This commit is contained in:
Jon TURNEY 2010-10-30 17:22:33 +01:00
parent 3873be16d0
commit eecc8e06eb
1 changed files with 8 additions and 5 deletions
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13
hw/xwin/glx/indirect.c
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@ -211,22 +211,25 @@ static
const char *glxWinErrorMessage(void)
{
static char errorbuffer[1024];
unsigned int last_error = GetLastError();
if (!FormatMessage(
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_MAX_WIDTH_MASK,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
last_error,
0,
(LPTSTR) &errorbuffer,
sizeof(errorbuffer),
NULL ))
{
snprintf(errorbuffer, sizeof(errorbuffer), "Unknown error in FormatMessage: %08x!", (unsigned)GetLastError());
snprintf(errorbuffer, sizeof(errorbuffer), "Unknown error");
}
if (errorbuffer[strlen(errorbuffer)-1] == '\n')
if ((errorbuffer[strlen(errorbuffer)-1] == '\n') || (errorbuffer[strlen(errorbuffer)-1] == '\r'))
errorbuffer[strlen(errorbuffer)-1] = 0;
sprintf(errorbuffer + strlen(errorbuffer), " (%08x)", last_error);
return errorbuffer;
}