Function open_file

deps/tesseract/cutil/cutil.cpp:82–89

* open_file * * Open a file for reading or writing. If the file name parameter is * NULL use stdin (or stdout) for the file. If the file can not be * opened then call the error routine. **********************************************************************/

 *  opened then call the error routine.
 **********************************************************************/
FILE *open_file(const char *filename, const char *mode) {
  FILE *thisfile = NULL;
  if ((thisfile = fopen (filename, mode)) == NULL) {
    tprintf ("Could not open file, %s\n", filename);
    exit (1);
  }
  return (thisfile);
}

/// Check whether the file exists
bool exists_file(const char *filename) {