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@ -4,7 +4,7 @@ |
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/* */ |
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/* Debugging and logging component (body). */ |
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/* */ |
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/* Copyright 1996-2001 by */ |
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/* Copyright 1996-2001, 2002, 2004 by */ |
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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/* */ |
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/* This file is part of the FreeType project, and may only be used, */ |
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@ -82,8 +82,9 @@ |
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/* array of trace levels, initialized to 0 */ |
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int ft_trace_levels[trace_count]; |
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/* define array of trace toggle names */ |
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#define FT_TRACE_DEF(x) #x , |
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#define FT_TRACE_DEF( x ) #x , |
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static const char* ft_trace_toggles[trace_count + 1] = |
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{ |
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@ -94,19 +95,43 @@ |
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#undef FT_TRACE_DEF |
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/* documentation is in ftdebug.h */ |
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FT_EXPORT_DEF( FT_Int ) |
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FT_Trace_Get_Count( void ) |
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{ |
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return trace_count; |
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} |
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/* documentation is in ftdebug.h */ |
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FT_EXPORT_DEF( const char * ) |
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FT_Trace_Get_Name( FT_Int index ) |
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{ |
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int max = FT_Trace_Get_Count(); |
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if ( index < max ) |
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return ft_trace_toggles[index]; |
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else |
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return NULL; |
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} |
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/*************************************************************************/ |
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/* */ |
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/* Initialize the tracing sub-system. This is done by retrieving the */ |
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/* value of the "FT2_DEBUG" environment variable. It must be a list of */ |
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/* toggles, separated by spaces, `;' or `,'. Example: */ |
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/* value of the `FT2_DEBUG' environment variable. It must be a list of */ |
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/* toggles, separated by spaces, `;', or `,'. Example: */ |
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/* */ |
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/* "any:3 memory:6 stream:5" */ |
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/* export FT2_DEBUG="any:3 memory:6 stream:5" */ |
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/* */ |
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/* This will request that all levels be set to 3, except the trace level */ |
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/* for the memory and stream components which are set to 6 and 5, */ |
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/* This requests that all levels be set to 3, except the trace level for */ |
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/* the memory and stream components which are set to 6 and 5, */ |
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/* respectively. */ |
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/* */ |
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/* See the file <freetype/internal/fttrace.h> for details of the */ |
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/* See the file <include/freetype/internal/fttrace.h> for details of the */ |
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/* available toggle names. */ |
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/* */ |
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/* The level must be between 0 and 6; 0 means quiet (except for serious */ |
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@ -117,6 +142,7 @@ |
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{ |
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const char* ft2_debug = getenv( "FT2_DEBUG" ); |
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if ( ft2_debug ) |
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{ |
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const char* p = ft2_debug; |
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@ -136,7 +162,7 @@ |
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if ( *p == ':' && p > q ) |
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{ |
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FT_Int n, i, len = (FT_Int)(p - q); |
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FT_Int n, i, len = (FT_Int)( p - q ); |
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FT_Int level = -1, found = -1; |
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@ -171,7 +197,7 @@ |
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{ |
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if ( found == trace_any ) |
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{ |
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/* special case for "any" */ |
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/* special case for `any' */ |
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for ( n = 0; n < trace_count; n++ ) |
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ft_trace_levels[n] = level; |
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} |
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@ -183,14 +209,31 @@ |
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} |
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} |
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#else /* !FT_DEBUG_LEVEL_TRACE */ |
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FT_BASE_DEF( void ) |
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ft_debug_init( void ) |
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{ |
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/* nothing */ |
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} |
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FT_EXPORT_DEF( FT_Int ) |
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FT_Trace_Get_Count( void )
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{ |
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return 0;
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} |
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FT_EXPORT_DEF( const char * ) |
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FT_Trace_Get_Name( FT_Int index )
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{
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return NULL;
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} |
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#endif /* !FT_DEBUG_LEVEL_TRACE */ |
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Werner Lemberg
21 years ago