Files.c

Go to the documentation of this file.

/*******************************************************************************
  APG Version 6.3
  Copyright (C) 2005 - 2012 Lowell D. Thomas, all rights reserved
 
  author:  Lowell D. Thomas
  email:   lowell@coasttocoastresearch.com
  website: http://www.coasttocoastresearch.com
 
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 2 of the License, or
  (at your option) any later version.
 
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see
  <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
  or write to the Free Software Foundation, Inc.,
  51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*******************************************************************************/
 
#include "ApgUtilities.h"
 
// FILE HELPERS
 
apg_uint uiGetFileSize(const char* cpFileName)
{
  FILE* spFile = NULL;
  int iTest;
  apg_uint uiReturn = 0;
  apg_uint uiLen;
 
 
  while(APG_TRUE)
  {
    spFile = fopen(cpFileName, "rb");
    if(!spFile){break;}
    iTest = fseek(spFile, 0, SEEK_END);
    if(iTest != 0){break;}
    uiLen = ftell(spFile);
 
    // success
    uiReturn = uiLen;
    break;
  }
 
  if(spFile){fclose(spFile);}
  return uiReturn;
}
 
apg_uint uiGetFile(const char* cpFileName, void* vpBuffer)
{
  apg_uint uiSize;
  FILE* spFile = NULL;
  int iTest;
  apg_uint uiReturn = 0;
  apg_uint uiLen;
 
 
 
  while(APG_TRUE)
  {
    spFile = fopen(cpFileName, "rb");
    if(!spFile){break;}
    iTest = fseek(spFile, 0, SEEK_END);
    if(iTest != 0){break;}
    uiLen = ftell(spFile);
    iTest = fseek(spFile, 0, SEEK_SET);
    if(iTest != 0){break;}
    uiSize = fread(vpBuffer, 1, uiLen, spFile);
    if(uiSize != uiLen){break;}
 
    // success
    uiReturn = uiLen;
    break;
  }
 
  if(spFile){fclose(spFile);}
  return uiReturn;
}
 
apg_uint  uiWriteFile(const char* cpFileName, void* vpData, apg_uint uiDataLen)
{
  apg_uint uiReturn = 0;
  FILE* spFile = NULL;
  apg_uint uiBytesWritten = 0;
 
 
  while(APG_TRUE)
  {
    // validate
    if(!vpData){break;}
    if(uiDataLen ==0){break;}
 
    // open the file
    spFile = fopen(cpFileName, "wb");
    if(!spFile){break;}
 
    // write the data
    uiBytesWritten = fwrite(vpData, 1, uiDataLen, spFile);
    if(uiBytesWritten != uiDataLen){break;}
 
    // success
    uiReturn = uiDataLen;
    break;
  }
 
  if(spFile){fclose(spFile);}
  return uiReturn;
}
 
void vJavaScriptApgBytes(FILE* in, FILE* out)
{
  int c;
  int count = 0;
  while(1)
  {
    c = getc(in);
    if(c == EOF){break;}
    fprintf(out, "0x%02X ", c);
    count++;
    if(count > 8)
    {
      fprintf(out, "\n");
      count = 0;
    }
  }
}