TeleStern/ao-tools/lib/ccdbg-debug.c

64 lines
1.3 KiB
C

/*
* Copyright © 2008 Keith Packard <keithp@keithp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "ccdbg.h"
#include <stdarg.h>
int
ccdbg_level = 0;
void
ccdbg_add_debug(int level)
{
ccdbg_level |= level;
}
void
ccdbg_clear_debug(int level)
{
ccdbg_level &= ~level;
}
static int initialized;
void
ccdbg_debug(int level, char *format, ...)
{
va_list ap;
if (!initialized) {
char *level;
initialized = 1;
level = getenv("CCDEBUG");
if (level)
ccdbg_level |= strtoul(level, NULL, 0);
}
if (ccdbg_level & level) {
va_start(ap, format);
vprintf(format, ap);
va_end(ap);
}
}
void
ccdbg_flush(int level)
{
if (ccdbg_level & level)
fflush(stdout);
}