1 /*
2  *  libcaca       Colour ASCII-Art library
3  *  Copyright (c) 2006-2012 Sam Hocevar <sam@hocevar.net>
4  *                All Rights Reserved
5  *
6  *  This library is free software. It comes without any warranty, to
7  *  the extent permitted by applicable law. You can redistribute it
8  *  and/or modify it under the terms of the Do What the Fuck You Want
9  *  to Public License, Version 2, as published by Sam Hocevar. See
10  *  http://www.wtfpl.net/ for more details.
11  */
12 
13 /*
14  *  This file contains debugging functions.
15  */
16 
17 #ifndef __CACA_DEBUG_H__
18 #define __CACA_DEBUG_H__
19 
20 /* debug messages */
21 #if defined DEBUG && !defined __KERNEL__
22 #   include <stdio.h>
23 #   include <stdarg.h>
debug(const char * format,...)24 static inline void debug(const char *format, ...)
25 {
26     int saved_errno = geterrno();
27     va_list args;
28     va_start(args, format);
29     fprintf(stderr, "** libcaca debug ** ");
30     vfprintf(stderr, format, args);
31     fprintf(stderr, "\n");
32     va_end(args);
33     seterrno(saved_errno);
34 }
35 #else
36 #   define debug(format, ...) do {} while(0)
37 #endif
38 
39 #endif /* __CACA_DEBUG_H__ */
40 
41