log_msg.c

/*
    openSAM: open source SAM emulator for X Plane

    Copyright (C) 2024  Holger Teutsch

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
    USA

*/

#include <stdio.h>
#include <stdarg.h>
#include <string.h>

#ifdef LOCAL_DEBUGSTRING
void
XPLMDebugString(const char *str)
{
    fputs(str, stdout); fflush(stdout);
}
#else
#include "XPLMUtilities.h"
#endif

void
log_msg(const char *fmt, ...)
{
    char line[1024];

    va_list ap;
    va_start(ap, fmt);
    vsnprintf(line, sizeof(line) - 3, fmt, ap);
    strcat(line, "\n");
    XPLMDebugString("openSAM: ");
    XPLMDebugString(line);
    va_end(ap);
}