A streamlined version (for embedded use) of Jeff Brown's ZBar library. Visit <http://zbar.sourceforge.net> for more details.
Dependents: BarcodeReader_F103
debug.h
- Committer:
- hudakz
- Date:
- 2020-01-10
- Revision:
- 0:e33621169e44
File content as of revision 0:e33621169e44:
/*------------------------------------------------------------------------ * Copyright 2007-2009 (c) Jeff Brown <spadix@users.sourceforge.net> * * This file is part of the ZBar Bar Code Reader. * * The ZBar Bar Code Reader is free software; you can redistribute it * and/or modify it under the terms of the GNU Lesser Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * The ZBar Bar Code Reader 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 Public License for more details. * * You should have received a copy of the GNU Lesser Public License * along with the ZBar Bar Code Reader; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301 USA * * http://sourceforge.net/projects/zbar *------------------------------------------------------------------------*/ /* varargs variations on compile time debug spew */ #ifndef DEBUG_LEVEL # ifdef __GNUC__ /* older versions of gcc (< 2.95) require a named varargs parameter */ # define dprintf(args...) # else /* unfortunately named vararg parameter is a gcc-specific extension */ # define dprintf(...) # endif #else # include <stdio.h> # ifdef __GNUC__ # define dprintf(level, args...) \ if((level) <= DEBUG_LEVEL) \ fprintf(stderr, args) # else # define dprintf(level, ...) \ if((level) <= DEBUG_LEVEL) \ fprintf(stderr, __VA_ARGS__) # 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