sl@0: /*
sl@0:  * LIBOIL - Library of Optimized Inner Loops
sl@0:  * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
sl@0:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
sl@0:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
sl@0:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
sl@0:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
sl@0:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
sl@0:  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
sl@0:  * POSSIBILITY OF SUCH DAMAGE.
sl@0:  */
sl@0: //Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 
sl@0: 
sl@0: #ifdef HAVE_CONFIG_H
sl@0: #include "config.h"
sl@0: #endif
sl@0: #include <liboil/liboilfunction.h>
sl@0: #include <liboil/liboildebug.h>
sl@0: 
sl@0: #include <stdio.h>
sl@0: #include <string.h>
sl@0: #include <stdarg.h>
sl@0: #include <stdlib.h>
sl@0: 
sl@0: /**
sl@0:  * SECTION:liboildebug
sl@0:  * @title: Debug
sl@0:  * @short_description: Printing and formatting debug information
sl@0:  */
sl@0: 
sl@0: static void oil_debug_print_valist (int level, const char *file,
sl@0:     const char *func, int line, const char *format, va_list args);
sl@0: 
sl@0: static int _oil_debug_level = OIL_DEBUG_ERROR;
sl@0: 
sl@0: static OilDebugPrintFunc _oil_debug_print_func = oil_debug_print_valist;
sl@0: 
sl@0: #ifdef __SYMBIAN32__
sl@0:  
sl@0: #endif
sl@0: void
sl@0: _oil_debug_init(void)
sl@0: {
sl@0:   const char *envvar;
sl@0: 
sl@0:   envvar = getenv ("OIL_DEBUG");
sl@0:   if (envvar != NULL) {
sl@0:     char *end = NULL;
sl@0:     int level;
sl@0:     level = strtol (envvar, &end, 0);
sl@0:     if (end > envvar) {
sl@0:       _oil_debug_level = level;
sl@0:     }
sl@0:   }
sl@0: 
sl@0:   OIL_INFO ("liboil-" VERSION " debug init");
sl@0: }
sl@0: 
sl@0: static void
sl@0: oil_debug_print_valist (int level, const char *file, const char *func,
sl@0:         int line, const char *format, va_list args)
sl@0: {
sl@0:   static const char *level_names[] = { "NONE", "ERROR", "WARNING", "INFO",
sl@0:     "DEBUG", "LOG" };
sl@0:   const char *level_name = "unknown";
sl@0: 
sl@0:   if (level > _oil_debug_level) return;
sl@0: 
sl@0:   if(level>=OIL_DEBUG_NONE && level<=OIL_DEBUG_LOG){
sl@0:     level_name = level_names[level];
sl@0:   }
sl@0:   
sl@0:   fprintf (stderr, "OIL: %s %s %d: %s(): ", level_name, file, line, func);
sl@0:   vfprintf (stderr, format, args);
sl@0:   fprintf (stderr, "\n");
sl@0: }
sl@0: 
sl@0: #ifdef __SYMBIAN32__
sl@0: EXPORT_C 
sl@0: #endif
sl@0: void
sl@0: oil_debug_print (int level, const char *file, const char *func,
sl@0:         int line, const char *format, ...)
sl@0: {
sl@0:   va_list var_args;
sl@0: 
sl@0:   va_start (var_args, format);
sl@0:   _oil_debug_print_func (level, file, func, line, format, var_args);
sl@0:   va_end (var_args);
sl@0: }
sl@0: 
sl@0: /**
sl@0:  * oil_debug_get_level:
sl@0:  *
sl@0:  * Gets the current debug level.
sl@0:  *
sl@0:  * Returns: the current debug level
sl@0:  */
sl@0:  #ifdef __SYMBIAN32__
sl@0:  EXPORT_C
sl@0: #endif
sl@0: int
sl@0: oil_debug_get_level (void)
sl@0: {
sl@0:   return _oil_debug_level;
sl@0: }
sl@0: 
sl@0: /**
sl@0:  * oil_debug_set_level:
sl@0:  * @level: the new debug level
sl@0:  *
sl@0:  * Sets the current debug level.
sl@0:  */
sl@0: #ifdef __SYMBIAN32__
sl@0:  EXPORT_C
sl@0: #endif 
sl@0: void
sl@0: oil_debug_set_level (int level)
sl@0: {
sl@0:   _oil_debug_level = level;
sl@0: }
sl@0: 
sl@0: /**
sl@0:  * oil_debug_set_print_function:
sl@0:  * @func:
sl@0:  *
sl@0:  * Sets the function to call when outputting debugging information.
sl@0:  * A value of NULL for @func will restore the default handler,
sl@0:  * which prints debugging information to stderr.
sl@0:  */
sl@0: #ifdef __SYMBIAN32__
sl@0:  EXPORT_C
sl@0: #endif
sl@0: void
sl@0: oil_debug_set_print_function (OilDebugPrintFunc func)
sl@0: {
sl@0:   if (func) {
sl@0:     _oil_debug_print_func = func;
sl@0:   } else {
sl@0:     _oil_debug_print_func = oil_debug_print_valist;
sl@0:   }
sl@0: }
sl@0: