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authorTavian Barnes <tavianator@gmail.com>2011-12-24 13:19:38 -0500
committerTavian Barnes <tavianator@gmail.com>2011-12-24 13:19:38 -0500
commita8181915a4aac7a37bdd62705e2eac1067eb1904 (patch)
tree4e90ce29b5fad0d34f268e5ac9d247c3ef034a3f /libdimension
parentbabba43cd4d1b9c92a569f19acbe17e429193b01 (diff)
downloaddimension-a8181915a4aac7a37bdd62705e2eac1067eb1904.tar.xz
Use macros to initialize refcounts.
Diffstat (limited to 'libdimension')
-rw-r--r--libdimension/camera.c6
-rw-r--r--libdimension/canvas.c4
-rw-r--r--libdimension/checker.c4
-rw-r--r--libdimension/dimension/refcount.h6
-rw-r--r--libdimension/finish.c20
-rw-r--r--libdimension/interior.c6
-rw-r--r--libdimension/leopard.c4
-rw-r--r--libdimension/light.c2
-rw-r--r--libdimension/object.c2
-rw-r--r--libdimension/pattern.c4
-rw-r--r--libdimension/pigment.c2
-rw-r--r--libdimension/refcount-internal.h15
-rw-r--r--libdimension/texture.c2
13 files changed, 43 insertions, 34 deletions
diff --git a/libdimension/camera.c b/libdimension/camera.c
index 13b91f0..0a007ea 100644
--- a/libdimension/camera.c
+++ b/libdimension/camera.c
@@ -31,9 +31,9 @@ dmnsn_camera *
dmnsn_new_camera(void)
{
dmnsn_camera *camera = dmnsn_malloc(sizeof(dmnsn_camera));
- camera->free_fn = NULL;
- camera->trans = dmnsn_identity_matrix();
- camera->refcount = 1;
+ camera->free_fn = NULL;
+ camera->trans = dmnsn_identity_matrix();
+ DMNSN_REFCOUNT_INIT(camera);
return camera;
}
diff --git a/libdimension/canvas.c b/libdimension/canvas.c
index eeeb66b..2bcc502 100644
--- a/libdimension/canvas.c
+++ b/libdimension/canvas.c
@@ -31,13 +31,11 @@ dmnsn_canvas *
dmnsn_new_canvas(size_t width, size_t height)
{
dmnsn_canvas *canvas = dmnsn_malloc(sizeof(dmnsn_canvas));
-
canvas->width = width;
canvas->height = height;
canvas->optimizers = dmnsn_new_array(sizeof(dmnsn_canvas_optimizer));
canvas->pixels = dmnsn_malloc(sizeof(dmnsn_tcolor)*width*height);
- canvas->refcount = 1;
-
+ DMNSN_REFCOUNT_INIT(canvas);
return canvas;
}
diff --git a/libdimension/checker.c b/libdimension/checker.c
index aa663ed..2971a82 100644
--- a/libdimension/checker.c
+++ b/libdimension/checker.c
@@ -23,7 +23,7 @@
* Checker pattern.
*/
-#include "dimension.h"
+#include "dimension-internal.h"
/** Checker pattern callback. */
static double
@@ -54,7 +54,7 @@ dmnsn_checker_pattern_fn(const dmnsn_pattern *checker, dmnsn_vector v)
/** The singleton instance. */
static dmnsn_pattern dmnsn_checker_instance = {
.pattern_fn = dmnsn_checker_pattern_fn,
- .refcount = 1,
+ DMNSN_REFCOUNT_INITIALIZER,
};
dmnsn_pattern *
diff --git a/libdimension/dimension/refcount.h b/libdimension/dimension/refcount.h
index 9f6d8b0..f94815c 100644
--- a/libdimension/dimension/refcount.h
+++ b/libdimension/dimension/refcount.h
@@ -24,10 +24,10 @@
*/
/** @internal The name of the reference count field in all structs. */
-#define DMNSN_REFCOUNT_NAME refcount
+#define DMNSN_REFCOUNT_FIELD refcount
/** @internal Declare a reference count field in a struct. */
-#define DMNSN_REFCOUNT unsigned int DMNSN_REFCOUNT_NAME
+#define DMNSN_REFCOUNT unsigned int DMNSN_REFCOUNT_FIELD
/**
* Increment a reference count.
@@ -38,6 +38,6 @@
/* Suppress "address will always evaluate to true" warning */ \
void *testptr = (object); \
if (testptr) { \
- ++(object)->DMNSN_REFCOUNT_NAME; \
+ ++(object)->DMNSN_REFCOUNT_FIELD; \
} \
} while (0)
diff --git a/libdimension/finish.c b/libdimension/finish.c
index cd922ff..e5ba88e 100644
--- a/libdimension/finish.c
+++ b/libdimension/finish.c
@@ -30,7 +30,7 @@ dmnsn_new_ambient(dmnsn_color ambient_light)
{
dmnsn_ambient *ambient = dmnsn_malloc(sizeof(dmnsn_ambient));
ambient->ambient = ambient_light;
- ambient->refcount = 1;
+ DMNSN_REFCOUNT_INIT(ambient);
return ambient;
}
@@ -46,9 +46,9 @@ dmnsn_diffuse *
dmnsn_new_diffuse(void)
{
dmnsn_diffuse *diffuse = dmnsn_malloc(sizeof(dmnsn_diffuse));
- diffuse->free_fn = NULL;
- diffuse->ptr = NULL;
- diffuse->refcount = 1;
+ diffuse->free_fn = NULL;
+ diffuse->ptr = NULL;
+ DMNSN_REFCOUNT_INIT(diffuse);
return diffuse;
}
@@ -67,9 +67,9 @@ dmnsn_specular *
dmnsn_new_specular(void)
{
dmnsn_specular *specular = dmnsn_malloc(sizeof(dmnsn_specular));
- specular->free_fn = NULL;
- specular->ptr = NULL;
- specular->refcount = 1;
+ specular->free_fn = NULL;
+ specular->ptr = NULL;
+ DMNSN_REFCOUNT_INIT(specular);
return specular;
}
@@ -88,9 +88,9 @@ dmnsn_reflection *
dmnsn_new_reflection(void)
{
dmnsn_reflection *reflection = dmnsn_malloc(sizeof(dmnsn_reflection));
- reflection->free_fn = NULL;
- reflection->ptr = NULL;
- reflection->refcount = 1;
+ reflection->free_fn = NULL;
+ reflection->ptr = NULL;
+ DMNSN_REFCOUNT_INIT(reflection);
return reflection;
}
diff --git a/libdimension/interior.c b/libdimension/interior.c
index a8e328c..24797a6 100644
--- a/libdimension/interior.c
+++ b/libdimension/interior.c
@@ -31,9 +31,9 @@ dmnsn_interior *
dmnsn_new_interior(void)
{
dmnsn_interior *interior = dmnsn_malloc(sizeof(dmnsn_interior));
- interior->ior = 1.0;
- interior->free_fn = NULL;
- interior->refcount = 1;
+ interior->ior = 1.0;
+ interior->free_fn = NULL;
+ DMNSN_REFCOUNT_INIT(interior);
return interior;
}
diff --git a/libdimension/leopard.c b/libdimension/leopard.c
index 48986b4..072f032 100644
--- a/libdimension/leopard.c
+++ b/libdimension/leopard.c
@@ -23,7 +23,7 @@
* Leopard pattern.
*/
-#include "dimension.h"
+#include "dimension-internal.h"
#include <math.h>
/** Leopard pattern callback. */
@@ -37,7 +37,7 @@ dmnsn_leopard_pattern_fn(const dmnsn_pattern *leopard, dmnsn_vector v)
/** The singleton instance. */
static dmnsn_pattern dmnsn_leopard_instance = {
.pattern_fn = dmnsn_leopard_pattern_fn,
- .refcount = 1,
+ DMNSN_REFCOUNT_INITIALIZER,
};
dmnsn_pattern *
diff --git a/libdimension/light.c b/libdimension/light.c
index 358ba2d..d64b2a2 100644
--- a/libdimension/light.c
+++ b/libdimension/light.c
@@ -36,7 +36,7 @@ dmnsn_new_light(void)
light->shadow_fn = NULL;
light->free_fn = NULL;
light->ptr = NULL;
- light->refcount = 1;
+ DMNSN_REFCOUNT_INIT(light);
return light;
}
diff --git a/libdimension/object.c b/libdimension/object.c
index b1b5fe3..9792926 100644
--- a/libdimension/object.c
+++ b/libdimension/object.c
@@ -41,8 +41,8 @@ dmnsn_new_object(void)
object->inside_fn = NULL;
object->initialize_fn = NULL;
object->free_fn = NULL;
- object->refcount = 1;
object->initialized = false;
+ DMNSN_REFCOUNT_INIT(object);
return object;
}
diff --git a/libdimension/pattern.c b/libdimension/pattern.c
index 6a2e286..f32671c 100644
--- a/libdimension/pattern.c
+++ b/libdimension/pattern.c
@@ -30,8 +30,8 @@ dmnsn_pattern *
dmnsn_new_pattern(void)
{
dmnsn_pattern *pattern = dmnsn_malloc(sizeof(dmnsn_pattern));
- pattern->free_fn = NULL;
- pattern->refcount = 1;
+ pattern->free_fn = NULL;
+ DMNSN_REFCOUNT_INIT(pattern);
return pattern;
}
diff --git a/libdimension/pigment.c b/libdimension/pigment.c
index c518005..bc09ec7 100644
--- a/libdimension/pigment.c
+++ b/libdimension/pigment.c
@@ -35,8 +35,8 @@ dmnsn_new_pigment(void)
pigment->free_fn = NULL;
pigment->trans = dmnsn_identity_matrix();
pigment->quick_color = DMNSN_TCOLOR(dmnsn_black);
- pigment->refcount = 1;
pigment->initialized = false;
+ DMNSN_REFCOUNT_INIT(pigment);
return pigment;
}
diff --git a/libdimension/refcount-internal.h b/libdimension/refcount-internal.h
index 5ae5d58..fb6d3c6 100644
--- a/libdimension/refcount-internal.h
+++ b/libdimension/refcount-internal.h
@@ -24,10 +24,21 @@
*/
/**
+ * Initialize a reference count.
+ * @param[in,out] object The reference-counted object.
+ */
+#define DMNSN_REFCOUNT_INIT(object) (void)((object)->DMNSN_REFCOUNT_FIELD = 1)
+
+/**
+ * Initialize a reference count in a statically-allocated object.
+ */
+#define DMNSN_REFCOUNT_INITIALIZER .DMNSN_REFCOUNT_FIELD = 1
+
+/**
* Decrement a reference count.
* @param[in,out] object The reference-counted object to release.
* @return Whether the object is now garbage.
*/
#define DMNSN_DECREF(object) \
- ((object) && ((object)->DMNSN_REFCOUNT_NAME == 0 \
- || --(object)->DMNSN_REFCOUNT_NAME == 0))
+ ((object) && ((object)->DMNSN_REFCOUNT_FIELD == 0 \
+ || --(object)->DMNSN_REFCOUNT_FIELD == 0))
diff --git a/libdimension/texture.c b/libdimension/texture.c
index 3018bcd..24ff9af 100644
--- a/libdimension/texture.c
+++ b/libdimension/texture.c
@@ -33,8 +33,8 @@ dmnsn_new_texture(void)
texture->pigment = NULL;
texture->finish = dmnsn_new_finish();
texture->trans = dmnsn_identity_matrix();
- texture->refcount = 1;
texture->initialized = false;
+ DMNSN_REFCOUNT_INIT(texture);
return texture;
}