Changeset 03cad47 in mainline for uspace/app/bithenge/transform.c

Timestamp:

2012-07-28T00:20:31Z (12 years ago)

Author:

Sean Bartell <wingedtachikoma@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

4056ad0

Parents:

6e34bd0

Message:

Bithenge: make num_params more dynamic

File:

• uspace/app/bithenge/transform.c (modified) (7 diffs)

uspace/app/bithenge/transform.c

@@ -44 +44 @@
  * @param[out] self Transform to initialize.
  * @param[in] ops Operations provided by the transform.
+ * @param num_params The number of parameters required. If this is nonzero, the
+ * transform will get its own context with parameters, probably provided by a
+ * param_wrapper. If this is zero, the existing outer context will be used with
+ * whatever parameters it has.
  * @return EOK or an error code from errno.h. */
 int bithenge_init_transform(bithenge_transform_t *self,
-    const bithenge_transform_ops_t *ops)
+    const bithenge_transform_ops_t *ops, int num_params)
 {
         assert(ops);
@@ -53 +57 @@
         self->ops = ops;
         self->refs = 1;
+        self->num_params = num_params;
         return EOK;
 }
@@ -99 +104 @@
 /** The ASCII text transform. */
 bithenge_transform_t bithenge_ascii_transform = {
-        &ascii_ops, 1
+        &ascii_ops, 1, 0
 };
 
@@ -159 +164 @@
                                                                                \
         bithenge_transform_t bithenge_##NAME##_transform = {                   \
-                &NAME##_ops, 1                                                 \
+                &NAME##_ops, 1, 0                                              \
         }
 
@@ -222 +227 @@
 /** The zero-terminated data transform. */
 bithenge_transform_t bithenge_zero_terminated_transform = {
-        &zero_terminated_ops, 1
+        &zero_terminated_ops, 1, 0
 };
 
@@ -480 +485 @@
         }
         rc = bithenge_init_transform(struct_as_transform(self),
-            &struct_transform_ops);
+            &struct_transform_ops, 0);
         if (rc != EOK)
                 goto error;
@@ -579 +584 @@
         }
         rc = bithenge_init_transform(compose_as_transform(self),
-            &compose_transform_ops);
+            &compose_transform_ops, 0);
         if (rc != EOK)
                 goto error;