From 901bc262d93286aa380e51d13fa4bc5bce564897 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?IOhannes=20m=20zm=C3=B6lnig?=
 <zmoelnig@users.sourceforge.net>
Date: Wed, 21 Jun 2006 11:04:51 +0000
Subject: proper freeing of allocated buffers

svn path=/trunk/externals/zexy/; revision=5280
---
 src/blockmirror~.c  | 14 ++++++++++----
 src/blockshuffle~.c |  9 ++++-----
 src/blockswap~.c    | 10 +++++++++-
 3 files changed, 23 insertions(+), 10 deletions(-)

diff --git a/src/blockmirror~.c b/src/blockmirror~.c
index 1dd3659..37e8cf3 100644
--- a/src/blockmirror~.c
+++ b/src/blockmirror~.c
@@ -72,14 +72,19 @@ static void blockmirror_dsp(t_blockmirror *x, t_signal **sp)
   dsp_add(blockmirror_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
 }
 
-static void blockmirror_helper(void)
+static void blockmirror_helper(t_blockmirror*x)
 {
   post("\n%c blockmirror~-object for reverting a signal", HEARTSYMBOL);
   post("'help' : view this\n"
        "signal~");
   post("outlet : signal~");
 }
-
+static void blockmirror_free(t_blockmirror*x)
+{
+  if(x->blockbuffer)
+    freebytes(x->blockbuffer, sizeof(t_float)*x->blocksize);
+  x->blockbuffer=0;
+}
 static void *blockmirror_new(void)
 {
   t_blockmirror *x = (t_blockmirror *)pd_new(blockmirror_class);
@@ -91,8 +96,9 @@ static void *blockmirror_new(void)
 
 void blockmirror_tilde_setup(void)
 {
-  blockmirror_class = class_new(gensym("blockmirror~"), (t_newmethod)blockmirror_new, 0,
-			 sizeof(t_blockmirror), 0, A_NULL);
+  blockmirror_class = class_new(gensym("blockmirror~"), (t_newmethod)blockmirror_new, 
+                                (t_method)blockmirror_free,
+                                sizeof(t_blockmirror), 0, A_NULL);
   class_addmethod(blockmirror_class, nullfn, gensym("signal"), 0);
   class_addmethod(blockmirror_class, (t_method)blockmirror_dsp, gensym("dsp"), 0);
   
diff --git a/src/blockshuffle~.c b/src/blockshuffle~.c
index 772c792..853ec64 100644
--- a/src/blockshuffle~.c
+++ b/src/blockshuffle~.c
@@ -29,8 +29,7 @@
 static t_class *blockshuffle_class;
 
 typedef struct _blockshuffle
-{
-  t_object x_obj;
+{  t_object x_obj;
 
   t_sample*blockbuf;
   t_int*   indices;
@@ -115,9 +114,9 @@ static void blockshuffle_helper(void)
   post("outlet : signal~");
 }
 static void blockshuffle_free(t_blockshuffle *x){
-  if(x->indices)freebytes(x->indices, x->size);
-  if(x->blockbuf)freebytes(x->blockbuf, x->size);
-  if(x->shuffle)freebytes(x->shuffle, x->shufflesize);
+  if(x->indices) freebytes(x->indices,  sizeof(t_int)   *x->size);
+  if(x->blockbuf)freebytes(x->blockbuf, sizeof(t_sample)*x->size);
+  if(x->shuffle) freebytes(x->shuffle,  sizeof(t_float) *x->shufflesize);
 }
 
 static void *blockshuffle_new(void)
diff --git a/src/blockswap~.c b/src/blockswap~.c
index 7dbe99d..625cdf6 100644
--- a/src/blockswap~.c
+++ b/src/blockswap~.c
@@ -67,7 +67,7 @@ static void blockswap_dsp(t_blockswap *x, t_signal **sp)
   dsp_add(blockswap_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
 }
 
-static void blockswap_helper(void)
+static void blockswap_helper(t_blockswap *x)
 {
   post("\n%c blockswap~-object for blockwise-swapping of a signal ", HEARTSYMBOL);
   post("'help' : view this\n"
@@ -75,6 +75,14 @@ static void blockswap_helper(void)
   post("outlet : signal~");
 }
 
+static void blockswap_free(t_blockswap *x)
+{
+  if(x->blockbuffer){
+    freebytes(x->blockbuffer, sizeof(t_float)*x->blocksize);
+  }
+  x->blockbuffer=0;
+}
+
 static void *blockswap_new(void)
 {
   t_blockswap *x = (t_blockswap *)pd_new(blockswap_class);
-- 
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