ROHC compression/decompression library: rohc

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00001 /*
00002  * This program is free software; you can redistribute it and/or modify
00003  * it under the terms of the GNU General Public License as published by
00004  * the Free Software Foundation; either version 2 of the License, or
00005  * (at your option) any later version.
00006  *
00007  * This program is distributed in the hope that it will be useful,
00008  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00009  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00010  * GNU General Public License for more details.
00011  *
00012  * You should have received a copy of the GNU General Public License
00013  * along with this program; if not, write to the Free Software
00014  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00015  */
00016 
00017 /**
00018  * @file rohc_traces.h
00019  * @brief ROHC macros for traces
00020  * @author Didier Barvaux <didier.barvaux@toulouse.viveris.com>
00021  */
00022 
00023 #ifndef ROHC_TRACES_H
00024 #define ROHC_TRACES_H
00025 
00026 #include <stdio.h>
00027 #include <assert.h>
00028 #include "config.h" /* for ROHC_DEBUG_LEVEL */
00029 
00030 /// @brief Print information depending on the debug level and prefixed
00031 ///        with the function name
00032 #define rohc_debugf(level, format, ...) \
00033         rohc_debugf_(level, "%s[%s:%d %s()] " format, \
00034                      (level == 0 ? "[ERROR] " : ""), \
00035                      __FILE__, __LINE__, __FUNCTION__, ##__VA_ARGS__)
00036 
00037 /// Print information depending on the debug level
00038 #define rohc_debugf_(level, format, ...) \
00039         do { \
00040                 if((level) <= ROHC_DEBUG_LEVEL) { \
00041                         printf(format, ##__VA_ARGS__); \
00042                 } \
00043         } while(0)
00044 
00045 /**
00046  * @brief Stop processing if the given condition is false
00047  *
00048  * In non-debug mode (ie. NDEBUG set): if the given condition fails, prints
00049  * the given message then jump to the given label.
00050  *
00051  * In debug mode (ie. NDEBUG not set): if the given condition fails, prints
00052  * the given message then asserts.
00053  */
00054 #define rohc_assert(condition, label, format, ...) \
00055         do { \
00056                 if(!(condition)) { \
00057                         rohc_debugf(0, format "\n", ##__VA_ARGS__); \
00058                         assert(condition); \
00059                         goto label; \
00060                 } \
00061         } while(0)
00062 
00063 
00064 #endif
00065