4G_module/third-party/zbar/inc/debug.h

63 lines
1.8 KiB
C

# include <stdio.h>
#ifndef DEBUG_LEVEL
# ifdef __GNUC__
/* older versions of gcc (< 2.95) require a named varargs parameter */
# define dbprintf(args...) while(0)
# else
/* unfortunately named vararg parameter is a gcc-specific extension */
# define dbprintf(...) while(0)
# endif
#else
# ifdef __GNUC__
# define dbprintf(level, args...) do { \
if((level) <= DEBUG_LEVEL) \
fprintf(stderr, args); \
} while(0)
# else
# define dbprintf(level, ...) do { \
if((level) <= DEBUG_LEVEL) \
fprintf(stderr, __VA_ARGS__); \
} while(0)
# endif
#endif /* DEBUG_LEVEL */
/* spew warnings for non-fatal assertions.
* returns specified error code if assertion fails.
* NB check/return is still performed for NDEBUG
* only the message is inhibited
* FIXME don't we need varargs hacks here?
*/
#ifndef NDEBUG
# include <stdio.h>
#if __STDC_VERSION__ < 199901L && !defined(__func__)
# if __GNUC__ >= 2
# define __func__ __FUNCTION__
# else
# define __func__ "<unknown>"
# endif
#endif
# define zassert(condition, retval, format, ...) do { \
if(!(condition)) { \
fprintf(stderr, "WARNING: %s:%d: %s:" \
" Assertion \"%s\" failed.\n\t" format, \
__FILE__, __LINE__, __func__, #condition , \
##__VA_ARGS__); \
return(retval); \
} \
} while(0)
#else
# define zassert(condition, retval, format, ...) do { \
if(!(condition)) \
return(retval); \
} while(0)
#endif