-/***************************************************************************/
-/* */
-/* ftdebug.c */
-/* */
-/* Debugging and logging component (body). */
-/* */
-/* Copyright 1996-2001, 2002, 2004 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_FREETYPE_H
-#include FT_INTERNAL_DEBUG_H
-
-
-#if defined( FT_DEBUG_LEVEL_ERROR )
-
- /* documentation is in ftdebug.h */
-
- FT_BASE_DEF( void )
- FT_Message( const char* fmt, ... )
- {
- va_list ap;
-
-
- va_start( ap, fmt );
- vprintf( fmt, ap );
- va_end( ap );
- }
-
-
- /* documentation is in ftdebug.h */
-
- FT_BASE_DEF( void )
- FT_Panic( const char* fmt, ... )
- {
- va_list ap;
-
-
- va_start( ap, fmt );
- vprintf( fmt, ap );
- va_end( ap );
-
- exit( EXIT_FAILURE );
- }
-
-#endif /* FT_DEBUG_LEVEL_ERROR */
-
-
-
-#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
-
-
- /* documentation is in ftdebug.h */
-
- FT_BASE_DEF( FT_Int )
- FT_Trace_Get_Count( void )
- {
- return trace_count;
- }
-
-
- /* documentation is in ftdebug.h */
-
- FT_BASE_DEF( const char * )
- FT_Trace_Get_Name( FT_Int idx )
- {
- int max = FT_Trace_Get_Count();
-
-
- if ( idx < max )
- return ft_trace_toggles[idx];
- else
- return NULL;
- }
-
-
- /*************************************************************************/
- /* */
- /* 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: */
- /* */
- /* export FT2_DEBUG="any:3 memory:7 stream:5" */
- /* */
- /* This requests that all levels be set to 3, except the trace level for */
- /* the memory and stream components which are set to 7 and 5, */
- /* respectively. */
- /* */
- /* See the file <include/freetype/internal/fttrace.h> for details of the */
- /* available toggle names. */
- /* */
- /* The level must be between 0 and 7; 0 means quiet (except for serious */
- /* runtime errors), and 7 means _very_ verbose. */
- /* */
- FT_BASE_DEF( void )
- ft_debug_init( void )
- {
- const char* ft2_debug = getenv( "FT2_DEBUG" );
-
-
- 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 )
- {
- FT_Int n, i, len = (FT_Int)( p - q );
- FT_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 */
- }
-
-
- FT_BASE_DEF( FT_Int )
- FT_Trace_Get_Count( void )
- {
- return 0;
- }
-
-
- FT_BASE_DEF( const char * )
- FT_Trace_Get_Name( FT_Int idx )
- {
- FT_UNUSED( idx );
-
- return NULL;
- }
-
-
-#endif /* !FT_DEBUG_LEVEL_TRACE */
-
-
-/* END */
+/***************************************************************************/\r
+/* */\r
+/* ftdebug.c */\r
+/* */\r
+/* Debugging and logging component (body). */\r
+/* */\r
+/* Copyright 1996-2001, 2002, 2004 by */\r
+/* David Turner, Robert Wilhelm, and Werner Lemberg. */\r
+/* */\r
+/* This file is part of the FreeType project, and may only be used, */\r
+/* modified, and distributed under the terms of the FreeType project */\r
+/* license, LICENSE.TXT. By continuing to use, modify, or distribute */\r
+/* this file you indicate that you have read the license and */\r
+/* understand and accept it fully. */\r
+/* */\r
+/***************************************************************************/\r
+\r
+\r
+ /*************************************************************************/\r
+ /* */\r
+ /* This component contains various macros and functions used to ease the */\r
+ /* debugging of the FreeType engine. Its main purpose is in assertion */\r
+ /* checking, tracing, and error detection. */\r
+ /* */\r
+ /* There are now three debugging modes: */\r
+ /* */\r
+ /* - trace mode */\r
+ /* */\r
+ /* Error and trace messages are sent to the log file (which can be the */\r
+ /* standard error output). */\r
+ /* */\r
+ /* - error mode */\r
+ /* */\r
+ /* Only error messages are generated. */\r
+ /* */\r
+ /* - release mode: */\r
+ /* */\r
+ /* No error message is sent or generated. The code is free from any */\r
+ /* debugging parts. */\r
+ /* */\r
+ /*************************************************************************/\r
+\r
+\r
+#include <ft2build.h>\r
+#include FT_FREETYPE_H\r
+#include FT_INTERNAL_DEBUG_H\r
+\r
+\r
+#if defined( FT_DEBUG_LEVEL_ERROR )\r
+\r
+ /* documentation is in ftdebug.h */\r
+\r
+ FT_BASE_DEF( void )\r
+ FT_Message( const char* fmt, ... )\r
+ {\r
+ va_list ap;\r
+\r
+\r
+ va_start( ap, fmt );\r
+ vprintf( fmt, ap );\r
+ va_end( ap );\r
+ }\r
+\r
+\r
+ /* documentation is in ftdebug.h */\r
+\r
+ FT_BASE_DEF( void )\r
+ FT_Panic( const char* fmt, ... )\r
+ {\r
+ va_list ap;\r
+\r
+\r
+ va_start( ap, fmt );\r
+ vprintf( fmt, ap );\r
+ va_end( ap );\r
+\r
+ exit( EXIT_FAILURE );\r
+ }\r
+\r
+#endif /* FT_DEBUG_LEVEL_ERROR */\r
+\r
+\r
+\r
+#ifdef FT_DEBUG_LEVEL_TRACE\r
+\r
+ /* array of trace levels, initialized to 0 */\r
+ int ft_trace_levels[trace_count];\r
+\r
+\r
+ /* define array of trace toggle names */\r
+#define FT_TRACE_DEF( x ) #x ,\r
+\r
+ static const char* ft_trace_toggles[trace_count + 1] =\r
+ {\r
+#include FT_INTERNAL_TRACE_H\r
+ NULL\r
+ };\r
+\r
+#undef FT_TRACE_DEF\r
+\r
+\r
+ /* documentation is in ftdebug.h */\r
+\r
+ FT_BASE_DEF( FT_Int )\r
+ FT_Trace_Get_Count( void )\r
+ {\r
+ return trace_count;\r
+ }\r
+\r
+\r
+ /* documentation is in ftdebug.h */\r
+\r
+ FT_BASE_DEF( const char * )\r
+ FT_Trace_Get_Name( FT_Int idx )\r
+ {\r
+ int max = FT_Trace_Get_Count();\r
+\r
+\r
+ if ( idx < max )\r
+ return ft_trace_toggles[idx];\r
+ else\r
+ return NULL;\r
+ }\r
+\r
+\r
+ /*************************************************************************/\r
+ /* */\r
+ /* Initialize the tracing sub-system. This is done by retrieving the */\r
+ /* value of the `FT2_DEBUG' environment variable. It must be a list of */\r
+ /* toggles, separated by spaces, `;', or `,'. Example: */\r
+ /* */\r
+ /* export FT2_DEBUG="any:3 memory:7 stream:5" */\r
+ /* */\r
+ /* This requests that all levels be set to 3, except the trace level for */\r
+ /* the memory and stream components which are set to 7 and 5, */\r
+ /* respectively. */\r
+ /* */\r
+ /* See the file <include/freetype/internal/fttrace.h> for details of the */\r
+ /* available toggle names. */\r
+ /* */\r
+ /* The level must be between 0 and 7; 0 means quiet (except for serious */\r
+ /* runtime errors), and 7 means _very_ verbose. */\r
+ /* */\r
+ FT_BASE_DEF( void )\r
+ ft_debug_init( void )\r
+ {\r
+ const char* ft2_debug = getenv( "FT2_DEBUG" );\r
+\r
+\r
+ if ( ft2_debug )\r
+ {\r
+ const char* p = ft2_debug;\r
+ const char* q;\r
+\r
+\r
+ for ( ; *p; p++ )\r
+ {\r
+ /* skip leading whitespace and separators */\r
+ if ( *p == ' ' || *p == '\t' || *p == ',' || *p == ';' || *p == '=' )\r
+ continue;\r
+\r
+ /* read toggle name, followed by ':' */\r
+ q = p;\r
+ while ( *p && *p != ':' )\r
+ p++;\r
+\r
+ if ( *p == ':' && p > q )\r
+ {\r
+ FT_Int n, i, len = (FT_Int)( p - q );\r
+ FT_Int level = -1, found = -1;\r
+\r
+\r
+ for ( n = 0; n < trace_count; n++ )\r
+ {\r
+ const char* toggle = ft_trace_toggles[n];\r
+\r
+\r
+ for ( i = 0; i < len; i++ )\r
+ {\r
+ if ( toggle[i] != q[i] )\r
+ break;\r
+ }\r
+\r
+ if ( i == len && toggle[i] == 0 )\r
+ {\r
+ found = n;\r
+ break;\r
+ }\r
+ }\r
+\r
+ /* read level */\r
+ p++;\r
+ if ( *p )\r
+ {\r
+ level = *p++ - '0';\r
+ if ( level < 0 || level > 7 )\r
+ level = -1;\r
+ }\r
+\r
+ if ( found >= 0 && level >= 0 )\r
+ {\r
+ if ( found == trace_any )\r
+ {\r
+ /* special case for `any' */\r
+ for ( n = 0; n < trace_count; n++ )\r
+ ft_trace_levels[n] = level;\r
+ }\r
+ else\r
+ ft_trace_levels[found] = level;\r
+ }\r
+ }\r
+ }\r
+ }\r
+ }\r
+\r
+\r
+#else /* !FT_DEBUG_LEVEL_TRACE */\r
+\r
+\r
+ FT_BASE_DEF( void )\r
+ ft_debug_init( void )\r
+ {\r
+ /* nothing */\r
+ }\r
+\r
+\r
+ FT_BASE_DEF( FT_Int )\r
+ FT_Trace_Get_Count( void )\r
+ {\r
+ return 0;\r
+ }\r
+\r
+\r
+ FT_BASE_DEF( const char * )\r
+ FT_Trace_Get_Name( FT_Int idx )\r
+ {\r
+ FT_UNUSED( idx );\r
+\r
+ return NULL;\r
+ }\r
+\r
+\r
+#endif /* !FT_DEBUG_LEVEL_TRACE */\r
+\r
+\r
+/* END */\r
projects / reactos.git / blobdiff