ccan/io: test custom io functions.

[ccan] / ccan / io / io.h

diff --git a/ccan/io/io.h b/ccan/io/io.h
index b8bf643dd6abe76a73a59ee56e1a4b25bb98bed1..72f805244c91ad89c4404703f4b276608339142f 100644 (file)
--- a/ccan/io/io.h
+++ b/ccan/io/io.h
@@ -8,34 +8,6 @@
 
 struct io_conn;
 
-#ifdef DEBUG
-extern bool io_plan_for_other;
-extern bool (*io_debug)(struct io_conn *conn);
-#define io_plan_other() ((io_plan_for_other = true))
-#else
-#define io_plan_other() (void)0
-#endif
-
-struct io_state_read {
-       char *buf;
-       size_t len;
-};
-
-struct io_state_write {
-       const char *buf;
-       size_t len;
-};
-
-struct io_state_readpart {
-       char *buf;
-       size_t *lenp;
-};
-
-struct io_state_writepart {
-       const char *buf;
-       size_t *lenp;
-};
-
 /**
  * struct io_plan - returned from a setup function.
  *
@@ -50,13 +22,47 @@ struct io_plan {
        void *next_arg;
 
        union {
-               struct io_state_read read;
-               struct io_state_write write;
-               struct io_state_readpart readpart;
-               struct io_state_writepart writepart;
+               struct {
+                       char *buf;
+                       size_t len;
+               } read;
+               struct {
+                       const char *buf;
+                       size_t len;
+               } write;
+               struct {
+                       char *buf;
+                       size_t *lenp;
+               } readpart;
+               struct {
+                       const char *buf;
+                       size_t *lenp;
+               } writepart;
+               struct {
+                       void *p;
+                       size_t len;
+               } ptr_len;
+               struct {
+                       void *p1;
+                       void *p2;
+               } ptr_ptr;
+               struct {
+                       size_t len1;
+                       size_t len2;
+               } len_len;
        } u;
 };
 
+#ifdef DEBUG
+extern bool io_plan_for_other;
+extern bool (*io_debug)(struct io_conn *conn);
+#define io_plan_other() ((io_plan_for_other = true))
+void io_plan_debug(struct io_plan *plan);
+#else
+#define io_plan_other() (void)0
+static inline void io_plan_debug(struct io_plan *plan) { }
+#endif
+
 /**
  * io_new_conn - create a new connection.
  * @fd: the file descriptor.