Module: ReadUnpack

Included in:
PostgresPR::Utils::NativeBuffer
Defined in:
ext/postgres-pr/utils/string_unpack_single.c

Instance Method Summary collapse

Instance Method Details

#read_int16_network ⇒ Object 



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# File 'ext/postgres-pr/utils/string_unpack_single.c', line 35

static VALUE rb_read_int16_network(VALUE self)
{
  VALUE B1, B2;
  long byte1, byte2, res;
  B1 = rb_funcall(self, id_readbyte, 0);
  B2 = rb_funcall(self, id_readbyte, 0);
  byte1 = FIX2LONG(B1);
  byte2 = FIX2LONG(B2);
  res = (byte1 < 128 ? byte1 : byte1 - 256) * 256 + byte2;
  return LONG2FIX(res);
}

#read_int32_network ⇒ Object 



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# File 'ext/postgres-pr/utils/string_unpack_single.c', line 47

static VALUE rb_read_int32_network(VALUE self)
{
  VALUE B1, B2, B3, B4;
  long byte1, byte2, byte3, byte4, res;
  B1 = rb_funcall(self, id_readbyte, 0);
  B2 = rb_funcall(self, id_readbyte, 0);
  B3 = rb_funcall(self, id_readbyte, 0);
  B4 = rb_funcall(self, id_readbyte, 0);
  byte1 = FIX2LONG(B1);
  byte2 = FIX2LONG(B2);
  byte3 = FIX2LONG(B3);
  byte4 = FIX2LONG(B4);
  res = (((byte1 < 128 ? byte1 : byte1 - 256) * 256 + byte2) * 256 +
	   byte3) * 256 + byte4;
  return LONG2NUM(res);
}