Move more code around

[profile/ivi/org.tizen.video-player.git] / src / hb-buffer.cc

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 159600e..a587089 100644 (file)
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -34,6 +34,11 @@
 HB_BEGIN_DECLS
 
 
+#ifndef HB_DEBUG_BUFFER
+#define HB_DEBUG_BUFFER (HB_DEBUG+0)
+#endif
+
+
 static hb_buffer_t _hb_buffer_nil = {
   HB_OBJECT_HEADER_STATIC,
 
@@ -388,10 +393,28 @@ hb_buffer_t::reverse_clusters (void)
   reverse_range (start, i);
 }
 
+static inline void
+dump_var_allocation (const hb_buffer_t *buffer)
+{
+  char buf[80];
+  for (unsigned int i = 0; i < 8; i++)
+    buf[i] = '0' + buffer->allocated_var_bytes[i];
+  buf[8] = '\0';
+  DEBUG_MSG (BUFFER, buffer,
+            "Current var allocation: %s",
+            buf);
+}
 
 void hb_buffer_t::allocate_var (unsigned int byte_i, unsigned int count, const char *owner)
 {
   assert (byte_i < 8 && byte_i + count < 8);
+
+  if (DEBUG (BUFFER))
+    dump_var_allocation (this);
+  DEBUG_MSG (BUFFER, this,
+            "Allocating var bytes %d..%d for %s",
+            byte_i, byte_i + count - 1, owner);
+
   for (unsigned int i = byte_i; i < byte_i + count; i++) {
     assert (!allocated_var_bytes[i]);
     allocated_var_bytes[i]++;
@@ -401,13 +424,25 @@ void hb_buffer_t::allocate_var (unsigned int byte_i, unsigned int count, const c
 
 void hb_buffer_t::deallocate_var (unsigned int byte_i, unsigned int count, const char *owner)
 {
+  DEBUG_MSG (BUFFER, this,
+            "Deallocating var bytes %d..%d for %s",
+            byte_i, byte_i + count - 1, owner);
+
   assert (byte_i < 8 && byte_i + count < 8);
   for (unsigned int i = byte_i; i < byte_i + count; i++) {
     assert (allocated_var_bytes[i] && allocated_var_owner[i] == owner);
     allocated_var_bytes[i]--;
   }
+
+  if (DEBUG (BUFFER))
+    dump_var_allocation (this);
 }
 
+void hb_buffer_t::deallocate_var_all (void)
+{
+  memset (allocated_var_bytes, 0, sizeof (allocated_var_bytes));
+  memset (allocated_var_owner, 0, sizeof (allocated_var_owner));
+}
 
 /* Public API */