Archive

static VALUE rb_libarchive_reader_s_open_filename(int argc, VALUE *argv, VALUE self) {
  VALUE v_filename, v_compression, v_format;
  const char *filename = NULL;
  int compression = -1, format = -1;
  const char *cmd = NULL;
  rb_scan_args(argc, argv, "12", &v_filename, &v_compression, &v_format);
  Check_Type(v_filename, T_STRING);
  filename = RSTRING_PTR(v_filename);

  if (T_STRING == TYPE(v_compression)) {
    compression = -1;
    cmd = RSTRING_PTR(v_compression);
  } else if (!NIL_P(v_compression)) {
    compression = NUM2INT(v_compression);
  }

  if (!NIL_P(v_format)) {
    format = NUM2INT(v_format);
  }

  return rb_libarchive_reader_s_open0(rb_libarchive_reader_s_open_filename0, (void *) filename, compression, format, cmd);
}

static VALUE rb_libarchive_reader_s_open_memory(int argc, VALUE *argv, VALUE self) {
  VALUE v_memory, v_compression, v_format;
  int compression = -1, format = -1;
  const char *cmd = NULL;
  rb_scan_args(argc, argv, "12", &v_memory, &v_compression, &v_format);
  Check_Type(v_memory, T_STRING);

  if (T_STRING == TYPE(v_compression)) {
    compression = -1;
    cmd = RSTRING_PTR(v_compression);
  } else if (!NIL_P(v_compression)) {
    compression = NUM2INT(v_compression);
  }

  if (!NIL_P(v_format)) {
    format = NUM2INT(v_format);
  }

  return rb_libarchive_reader_s_open0(rb_libarchive_reader_s_open_memory0, (void *) v_memory, compression, format, cmd);
}

VALUE rb_libarchive_s_version_number(VALUE self) {
#if ARCHIVE_VERSION >= 2005000
  return INT2NUM(archive_version_number());
#else
  return INT2NUM(archive_version_stamp());
#endif
}

VALUE rb_libarchive_s_version_string(VALUE self) {
#if ARCHIVE_VERSION_NUMBER >= 2005000
  return rb_str_new2(archive_version_string());
#else
  return rb_str_new2(archive_version());
#endif
}

static VALUE rb_libarchive_writer_s_open_filename(VALUE self, VALUE v_filename, VALUE v_compression, VALUE v_format) {
  const char *filename = NULL;
  int compression, format;
  const char *cmd = NULL;
  Check_Type(v_filename, T_STRING);

  if (RSTRING_LEN(v_filename) < 1) {
    rb_raise(rb_eArchiveError, "Open writer failed: No such file or directory");
  }

  filename = RSTRING_PTR(v_filename);

  if (T_STRING == TYPE(v_compression)) {
    compression = -1;
    cmd = RSTRING_PTR(v_compression);
  } else {
    compression = NUM2INT(v_compression);
  }


  format = NUM2INT(v_format);
  return rb_libarchive_writer_s_open0(rb_libarchive_writer_s_open_filename0, (void *) filename, compression, format, cmd);
}

static VALUE rb_libarchive_writer_s_open_memory(VALUE self, VALUE v_memory, VALUE v_compression, VALUE v_format) {
  int compression, format;
  const char *cmd = NULL;
  Check_Type(v_memory, T_STRING);

  if (T_STRING == TYPE(v_compression)) {
    compression = -1;
    cmd = RSTRING_PTR(v_compression);
  } else {
    compression = NUM2INT(v_compression);
  }

  format = NUM2INT(v_format);
  return rb_libarchive_writer_s_open0(rb_libarchive_writer_s_open_memory0, (void *) v_memory, compression, format, cmd);
}