FUNCTIONS

1. memclr
2. memcmp
3. memcpy
4. memclr
5. memclr
6. ALLOC_IF_ERR
7. ALLOCN_IF_ERR
8. xfree
9. toint

   1 /*
   2  * VFsys.h - misc definitions for internals of VFlib
   3  * 
   4  */
   5 /*
   6  * Copyright (C) 1996-1999  Hirotsugu Kakugawa. 
   7  * All rights reserved.
   8  *
   9  * This file is part of the VFlib Library.  This library is free
  10  * software; you can redistribute it and/or modify it under the terms of
  11  * the GNU Library General Public License as published by the Free
  12  * Software Foundation; either version 2 of the License, or (at your
  13  * option) any later version.  This library is distributed in the hope
  14  * that it will be useful, but WITHOUT ANY WARRANTY; without even the
  15  * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  16  * PURPOSE.  See the GNU Library General Public License for more details.
  17  * You should have received a copy of the GNU Library General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  */
  21 
  22 #ifndef __VFLIB_VFSYS_H__
  23 #define __VFLIB_VFSYS_H__
  24 
  25 #include "consts.h"
  26 
  27 
  28 #if !defined(TRUE) && !defined(FALSE)
  29 #define TRUE    (0==0)
  30 #define FALSE   (0==1)
  31 #endif
  32 
  33 #define  Public   /*public*/  
  34 #define  Glocal   /*public within VFlib */
  35 #define  Private  static
  36 #define  Import   extern
  37 
  38 
  39 #if STDC_HEADERS
  40 #  define memclr(a,n)      memset((a),0,(n))
  41 #else
  42 #  ifndef HAVE_MEMCMP
  43 #    define memcmp(a1,a2,n)    bcmp((a1),(a2),(n))
  44 #    define memcpy(dst,src,n)  bcopy((src),(dst),(n))
  45 #    define memclr(a,n)        bzero((a),(n))
  46 #  else
  47 #    define memclr(a,n)      memset((a),0,(n))
  48 #  endif /*HAVE_MEMCMP*/
  49 #endif 
  50 
  51 #if HAVE_STRING_H
  52 # include <string.h>
  53 #endif
  54 #if HAVE_STRINGS_H
  55 # include <strings.h>
  56 #endif
  57 
  58 #ifndef SEEK_SET
  59 #  define  SEEK_SET  0
  60 #  define  SEEK_CUR  1
  61 #  define  SEEK_END  2
  62 #endif
  63 
  64 #ifndef FOPEN_MODE_BIN
  65 #  if defined(VMS) || defined(VMCMS) || defined(DOS) || defined(OS2) \
  66       || defined(WIN32) || defined(__DJGPP__) || defined(__CYGWIN32__)
  67 #    define   FOPEN_RD_MODE_BIN   "rb"
  68 #    define   FOPEN_RD_MODE_TEXT  "rt"
  69 #    define   FOPEN_WD_MODE_BIN   "wb"
  70 #    define   FOPEN_WD_MODE_TEXT  "wt"
  71 #  else
  72 #    define   FOPEN_RD_MODE_BIN   "r"
  73 #    define   FOPEN_RD_MODE_TEXT  "r"
  74 #    define   FOPEN_WR_MODE_BIN   "w"
  75 #    define   FOPEN_WR_MODE_TEXT  "w"
  76 #  endif
  77 #endif
  78 
  79 #define ALLOC_IF_ERR(v,t) \
  80           if ((v = (t*)calloc(1, sizeof(t))) == NULL)
  81 #define ALLOCN_IF_ERR(v,t,n) \
  82           if ((v = (t*)calloc(n, sizeof(t))) == NULL)
  83 #define xfree(p)             if ((p) != NULL){ free(p); }
  84 #define toint(x)  (int)(((x)>0)?(x+0.5):(x-0.5))
  85 
  86 #define DRIVER_FUNC_TYPE  int(*)(VF_FONT,char*,char*,int,void*)
  87 
  88 extern  double  atof();
  89 
  90 extern int  vf_openfont1(char *font_name, char *requested_font_class, 
  91                          double dpi_x, double dpi_y, double point_size, 
  92                          double mag_x, double mag_y);
  93 extern int  vf_openfont2(char *font_name, char *requested_font_class, 
  94                          int pixel_size, double mag_x, double mag_y);
  95 
  96 
  97 extern int  vf_dbg_font_open;
  98 extern int  vf_dbg_font_search;
  99 extern int  vf_dbg_kpathsea;
 100 extern int  vf_dbg_vfcap;
 101 extern int  vf_dbg_parameters;
 102 extern int  vf_dbg_ccv;
 103 extern int  vf_dbg_ccv_map;
 104 
 105 typedef void*(*FM_OPEN_METHOD)(char*,long,long,void*,void*);
 106 typedef void (*FM_CLOSE_METHOD)(void*,long,long,void*,void*);
 107 extern int   vf_fm_init(void);
 108 extern FILE* vf_fm_OpenBinaryFileStream(char*);
 109 extern FILE* vf_fm_OpenTextFileStream(char*);
 110 extern void* vf_fm_OpenFileStreamApp(char *arg, long iarg1, long iarg2, 
 111                                      void *arg1, void *arg2, 
 112                                      FM_OPEN_METHOD open_method,
 113                                      FM_CLOSE_METHOD close_method,
 114                                      char* dbgmsg);
 115 extern void  vf_fm_CloseFileStreamApp(char *arg, long iarg1, long iarg2, 
 116                                       void *arg1, void *arg2, 
 117                                       FM_OPEN_METHOD open_method,
 118                                       FM_CLOSE_METHOD close_method,
 119                                       char* dbgmsg);
 120 
 121 
 122 #ifndef VAR_VAL_DELIMIT_CHAR
 123 #  define VAR_VAL_DELIMIT_CHAR     '='
 124 #endif
 125 
 126 
 127 /* raster.c, bm2ol.c */
 128 #define  BM2OL_DOT_SHAPE_SQUARE    0
 129 #define  BM2OL_DOT_SHAPE_DIAMOND   1
 130 #define  BM2OL_DEFAULT_DOT_SIZE    0.8
 131 extern int        vf_draw_outline(VF_BITMAP,VF_OUTLINE);
 132 extern VF_BITMAP  vf_outline_to_bitmap(VF_OUTLINE,double,double,
 133                                        double,double,double);
 134 extern VF_OUTLINE vf_bitmap_to_outline(VF_BITMAP,int,int,
 135                                        double,double,double,double,double);
 136 extern VF_OUTLINE vf_bitmap_to_outline2(VF_BITMAP,int,double,int,int,
 137                                         double,double,double,double,double);
 138 
 139 /* defaults.c */
 140 #include "sexp.h"
 141 extern SEXP_ALIST  vf_extension_hints;
 142 extern SEXP_LIST   vf_implicit_font_classes;
 143 extern char       *vf_directory_delimiter;
 144 extern int         vf_defaults_init(void);
 145 
 146 #include "mem.h"
 147 
 148 #endif /*__VFLIB_VFSYS_H__*/ 
 149 
 150 /*EOF*/