kc3-lang/freetype/src/base/ftdebug.c

Branch : - branch - master v2.13 - tag -

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• Author : Werner Lemberg
  Date : 2000-06-29 03:14:25
  Hash : deb4e983
  Message : Formatting... Preprocessor lines now always start the line. Improved error handling in `base' module. Fixed a out-of-bounds error in ttgload.

• src/base/ftdebug.c

• /***************************************************************************/
  /*                                                                         */
  /*  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 <freetype/internal/ftdebug.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_FUNC( void )  FT_Message( const char*  fmt, ... )
    {
      va_list  ap;
  
  
      va_start( ap, fmt );
      vprintf( fmt, ap );
      va_end( ap );
    }
  
  
    FT_EXPORT_FUNC( 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
  
  
    /*************************************************************************/
    /*                                                                       */
    /* <Function>                                                            */
    /*    FT_SetTraceLevel                                                   */
    /*                                                                       */
    /* <Description>                                                         */
    /*    Sets the trace level for debugging.                                */
    /*                                                                       */
    /* <Input>                                                               */
    /*    component :: The component which should be traced.  See ftdebug.h  */
    /*                 for a complete list.  If set to `trace_any', all      */
    /*                 components will be traced.                            */
    /*    level     :: The tracing level.                                    */
    /*                                                                       */
    FT_EXPORT_FUNC( 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 */