| /***************************************************************************/ |
| /* */ |
| /* ftdebug.c */ |
| /* */ |
| /* Debugging and logging component (body). */ |
| /* */ |
| /* Copyright 1996-2000 by */ |
| /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
| /* */ |
| /* This file is part of the FreeType project, and may only be used, */ |
| /* modified, and distributed under the terms of the FreeType project */ |
| /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
| /* this file you indicate that you have read the license and */ |
| /* understand and accept it fully. */ |
| /* */ |
| /***************************************************************************/ |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* This component contains various macros and functions used to ease the */ |
| /* debugging of the FreeType engine. Its main purpose is in assertion */ |
| /* checking, tracing, and error detection. */ |
| /* */ |
| /* There are now three debugging modes: */ |
| /* */ |
| /* - trace mode */ |
| /* */ |
| /* Error and trace messages are sent to the log file (which can be the */ |
| /* standard error output). */ |
| /* */ |
| /* - error mode */ |
| /* */ |
| /* Only error messages are generated. */ |
| /* */ |
| /* - release mode: */ |
| /* */ |
| /* No error message is sent or generated. The code is free from any */ |
| /* debugging parts. */ |
| /* */ |
| /*************************************************************************/ |
| |
| #include <ft2build.h> |
| #include FT_INTERNAL_DEBUG_H |
| |
| #ifdef FT_DEBUG_LEVEL_TRACE |
| char ft_trace_levels[trace_max]; |
| #endif |
| |
| |
| #if defined( FT_DEBUG_LEVEL_ERROR ) || defined( FT_DEBUG_LEVEL_TRACE ) |
| |
| |
| #include <stdarg.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| |
| FT_EXPORT_DEF( void ) FT_Message( const char* fmt, ... ) |
| { |
| va_list ap; |
| |
| |
| va_start( ap, fmt ); |
| vprintf( fmt, ap ); |
| va_end( ap ); |
| } |
| |
| |
| FT_EXPORT_DEF( void ) FT_Panic( const char* fmt, ... ) |
| { |
| va_list ap; |
| |
| |
| va_start( ap, fmt ); |
| vprintf( fmt, ap ); |
| va_end( ap ); |
| |
| exit( EXIT_FAILURE ); |
| } |
| |
| |
| #ifdef FT_DEBUG_LEVEL_TRACE |
| |
| FT_EXPORT_DEF( void ) FT_SetTraceLevel( FT_Trace component, |
| char level ) |
| { |
| if ( component >= trace_max ) |
| return; |
| |
| /* if component is `trace_any', change _all_ levels at once */ |
| if ( component == trace_any ) |
| { |
| int n; |
| |
| |
| for ( n = trace_any; n < trace_max; n++ ) |
| ft_trace_levels[n] = level; |
| } |
| else /* otherwise, only change individual component */ |
| ft_trace_levels[component] = level; |
| } |
| |
| #endif /* FT_DEBUG_LEVEL_TRACE */ |
| |
| #endif /* FT_DEBUG_LEVEL_TRACE || FT_DEBUG_LEVEL_ERROR */ |
| |
| |
| /* END */ |