Commit 714d1b66 authored by Nick Mathewson's avatar Nick Mathewson 🦀
Browse files

r7027@Kushana: nickm | 2006-08-04 13:06:48 -0700

 Oops. Fix downcast macro.


svn:r6985
parent 1ec5d1c0
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+8 −8
Original line number Diff line number Diff line
@@ -776,8 +776,8 @@ typedef struct control_connection_t {
/** Cast a connection_t subtype pointer to a connection_t **/
#define TO_CONN(c) &(((c)->_base))
/** Helper macro: Given a pointer to to._base, of type from*, return &to. */
#define DOWNCAST(from, to, ptr) \
  (to*) (((from*)(ptr)) - STRUCT_OFFSET(to, _base))
#define DOWNCAST(to, ptr) \
  (to*) (((char*)(ptr)) - STRUCT_OFFSET(to, _base))

/** Convert a connection_t* to an or_connection_t*; assert if the cast is
 * invalid. */
@@ -795,22 +795,22 @@ control_connection_t *TO_CONTROL_CONN(connection_t *);
extern INLINE or_connection_t *TO_OR_CONN(connection_t *c)
{
  tor_assert(c->magic == OR_CONNECTION_MAGIC);
  return DOWNCAST(connection_t, or_connection_t, c);
  return DOWNCAST(or_connection_t, c);
}
extern INLINE dir_connection_t *TO_DIR_CONN(connection_t *c)
{
  tor_assert(c->magic == DIR_CONNECTION_MAGIC);
  return DOWNCAST(connection_t, dir_connection_t, c);
  return DOWNCAST(dir_connection_t, c);
}
extern INLINE edge_connection_t *TO_EDGE_CONN(connection_t *c)
{
  tor_assert(c->magic == EDGE_CONNECTION_MAGIC);
  return DOWNCAST(connection_t, edge_connection_t, c);
  return DOWNCAST(edge_connection_t, c);
}
extern INLINE control_connection_t *TO_CONTROL_CONN(connection_t *c)
{
  tor_assert(c->magic == CONTROL_CONNECTION_MAGIC);
  return DOWNCAST(connection_t, control_connection_t, c);
  return DOWNCAST(control_connection_t, c);
}

typedef enum {
@@ -1305,14 +1305,14 @@ extern INLINE or_circuit_t *TO_OR_CIRCUIT(circuit_t *x)
{
  tor_assert(x->magic == OR_CIRCUIT_MAGIC);
  //return (or_circuit_t*) (((char*)x) - STRUCT_OFFSET(or_circuit_t, _base));
  return DOWNCAST(circuit_t, or_circuit_t, x);
  return DOWNCAST(or_circuit_t, x);
}
extern INLINE origin_circuit_t *TO_ORIGIN_CIRCUIT(circuit_t *x)
{
  tor_assert(x->magic == ORIGIN_CIRCUIT_MAGIC);
  //return (origin_circuit_t*)
  //  (((char*)x) - STRUCT_OFFSET(origin_circuit_t, _base));
  return DOWNCAST(circuit_t, origin_circuit_t, x);
  return DOWNCAST(origin_circuit_t, x);
}

#define ALLOW_INVALID_ENTRY        1