qemu/qga/vss-win32/vss-debug.cpp

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/*
* QEMU Guest Agent VSS debug declarations
*
* Copyright (C) 2023 Red Hat Inc
*
* Authors:
* Konstantin Kostiuk <kkostiuk@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "vss-debug.h"
#include "vss-common.h"
void qga_debug_internal(const char *funcname, const char *fmt, ...)
{
char user_string[512] = {0};
char full_string[640] = {0};
va_list args;
va_start(args, fmt);
if (vsnprintf(user_string, _countof(user_string), fmt, args) <= 0) {
va_end(args);
return;
}
va_end(args);
if (snprintf(full_string, _countof(full_string),
QGA_PROVIDER_NAME "[%lu]: %s %s\n",
GetCurrentThreadId(), funcname, user_string) <= 0) {
return;
}
OutputDebugString(full_string);
fputs(full_string, stderr);
}