lib/tafile.c

   1 /* tafile.c */
   2
   3 /*
   4  * Copyright (C) 2011-2012 by Werner Lemberg.
   5  *
   6  * This file is part of the ttfautohint library, and may only be used,
   7  * modified, and distributed under the terms given in `COPYING'.  By
   8  * continuing to use, modify, or distribute this file you indicate that you
   9  * have read `COPYING' and understand and accept it fully.
  10  *
  11  * The file `COPYING' mentioned in the previous paragraph is distributed
  12  * with the ttfautohint library.
  13  */
  14
  15
  16 #include "ta.h"
  17
  18
  19 FT_Error
  20 TA_font_file_read(FONT* font,
  21                   FILE* in_file)
  22 {
  23   fseek(in_file, 0, SEEK_END);
  24   font->in_len = ftell(in_file);
  25   fseek(in_file, 0, SEEK_SET);
  26
  27   /* a valid TTF can never be that small */
  28   if (font->in_len < 100)
  29     return FT_Err_Invalid_Argument;
  30
  31   font->in_buf = (FT_Byte*)malloc(font->in_len);
  32   if (!font->in_buf)
  33     return FT_Err_Out_Of_Memory;
  34
  35   if (fread(font->in_buf, 1, font->in_len, in_file) != font->in_len)
  36     return FT_Err_Invalid_Stream_Read;
  37
  38   return TA_Err_Ok;
  39 }
  40
  41
  42 FT_Error
  43 TA_font_file_write(FONT* font,
  44                    FILE* out_file)
  45 {
  46   if (fwrite(font->out_buf, 1, font->out_len, out_file) != font->out_len)
  47     return TA_Err_Invalid_Stream_Write;
  48
  49   return TA_Err_Ok;
  50 }
  51
  52 /* end of tafile.c */