Edit
kc3-lang/freetype/builds/wince/ftdebug.c
Werner Lemberg
- builds/wince/ftdebug.c
-
/***************************************************************************/ /* */ /* ftdebug.c */ /* */ /* Debugging and logging component for WinCE (body). */ /* */ /* Copyright 1996-2001, 2002, 2005, 2008, 2009 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_ERROR #include <stdarg.h> #include <stdlib.h> #include <string.h> #include <windows.h> void OutputDebugStringEx( const char* str ) { static WCHAR buf[8192]; int sz = MultiByteToWideChar( CP_ACP, 0, str, -1, buf, sizeof ( buf ) / sizeof ( *buf ) ); if ( !sz ) lstrcpyW( buf, L"OutputDebugStringEx: MultiByteToWideChar failed" ); OutputDebugStringW( buf ); } FT_BASE_DEF( void ) FT_Message( const char* fmt, ... ) { static char buf[8192]; va_list ap; va_start( ap, fmt ); vprintf( fmt, ap ); /* send the string to the debugger as well */ vsprintf( buf, fmt, ap ); OutputDebugStringEx( buf ); va_end( ap ); } FT_BASE_DEF( void ) FT_Panic( const char* fmt, ... ) { static char buf[8192]; va_list ap; va_start( ap, fmt ); vsprintf( buf, fmt, ap ); OutputDebugStringEx( buf ); va_end( ap ); exit( EXIT_FAILURE ); } #ifdef FT_DEBUG_LEVEL_TRACE /* array of trace levels, initialized to 0 */ int ft_trace_levels[trace_count]; /* define array of trace toggle names */ #define FT_TRACE_DEF( x ) #x , static const char* ft_trace_toggles[trace_count + 1] = { #include FT_INTERNAL_TRACE_H NULL }; #undef FT_TRACE_DEF /*************************************************************************/ /* */ /* Initialize the tracing sub-system. This is done by retrieving the */ /* value of the "FT2_DEBUG" environment variable. It must be a list of */ /* toggles, separated by spaces, `;' or `,'. Example: */ /* */ /* "any:3 memory:6 stream:5" */ /* */ /* This will request that all levels be set to 3, except the trace level */ /* for the memory and stream components which are set to 6 and 5, */ /* respectively. */ /* */ /* See the file <freetype/internal/fttrace.h> for details of the */ /* available toggle names. */ /* */ /* The level must be between 0 and 6; 0 means quiet (except for serious */ /* runtime errors), and 6 means _very_ verbose. */ /* */ FT_BASE_DEF( void ) ft_debug_init( void ) { /* Windows Mobile doesn't have environment API: */ /* GetEnvironmentStrings, GetEnvironmentVariable, getenv. */ /* */ /* FIXME!!! How to set debug mode? */ /* const char* ft2_debug = getenv( "FT2_DEBUG" ); */ const char* ft2_debug = 0; if ( ft2_debug ) { const char* p = ft2_debug; const char* q; for ( ; *p; p++ ) { /* skip leading whitespace and separators */ if ( *p == ' ' || *p == '\t' || *p == ',' || *p == ';' || *p == '=' ) continue; /* read toggle name, followed by ':' */ q = p; while ( *p && *p != ':' ) p++; if ( *p == ':' && p > q ) { int n, i, len = p - q; int level = -1, found = -1; for ( n = 0; n < trace_count; n++ ) { const char* toggle = ft_trace_toggles[n]; for ( i = 0; i < len; i++ ) { if ( toggle[i] != q[i] ) break; } if ( i == len && toggle[i] == 0 ) { found = n; break; } } /* read level */ p++; if ( *p ) { level = *p++ - '0'; if ( level < 0 || level > 7 ) level = -1; } if ( found >= 0 && level >= 0 ) { if ( found == trace_any ) { /* special case for "any" */ for ( n = 0; n < trace_count; n++ ) ft_trace_levels[n] = level; } else ft_trace_levels[found] = level; } } } } } #else /* !FT_DEBUG_LEVEL_TRACE */ FT_BASE_DEF( void ) ft_debug_init( void ) { /* nothing */ } #endif /* !FT_DEBUG_LEVEL_TRACE */ #endif /* FT_DEBUG_LEVEL_ERROR */ /* END */