Revision 2:ea6d02ba96ae, committed 2012-09-27

Comitter:

ykuroda

Date:

Thu Sep 27 13:15:54 2012 +0000

Parent:

1:1c3a10f2eb04

Commit message:

pointer edition

Changed in this revision

diff -r 1c3a10f2eb04 -r ea6d02ba96ae RingBuffer.cpp
--- a/RingBuffer.cpp	Fri Aug 31 17:13:40 2012 +0000
+++ b/RingBuffer.cpp	Thu Sep 27 13:15:54 2012 +0000
@@ -18,8 +18,7 @@
 :   bufsize(_bufsize)
 {
     buf = new unsigned char [bufsize+1];
-
-    sp = ep = (unsigned int)buf;
+    sp = ep = buf;
     memset(buf,0,bufsize);
 }
 
@@ -32,15 +31,16 @@
 RingBuffer::save(unsigned char c)
 {
     if( (ep==sp-1)||
-        ((sp==(unsigned int)buf)&&
-            (ep==(unsigned int)buf+bufsize-1)) )    /* buffer full */
+        ((sp==buf)&&
+            (ep==buf+bufsize-1)) )    /* buffer full */
         return 0;
 
-    *(unsigned char*)ep = c;
+    *ep = c;
     ep++;
 
-    if(ep > (unsigned int)buf+bufsize)
-        ep = (unsigned int)buf;
+    if(ep > buf+bufsize)
+        ep = buf;
+
     return 1;
 }
 
@@ -52,12 +52,13 @@
     if(sp == ep)
         return 0;    /* buffer empty */
 
-    ret = *(unsigned char*)sp;
-    *(unsigned char*)sp = 0;
+    ret = *sp;
+    *sp = 0;
     sp++;
 
-    if(sp> (unsigned int)buf+bufsize)
-        sp = (unsigned int)buf;
+    if(sp > buf+bufsize)
+        sp = buf;
+
     return ret;
 }
 

diff -r 1c3a10f2eb04 -r ea6d02ba96ae RingBuffer.h
--- a/RingBuffer.h	Fri Aug 31 17:13:40 2012 +0000
+++ b/RingBuffer.h	Thu Sep 27 13:15:54 2012 +0000
@@ -14,8 +14,10 @@
 
   protected:
     unsigned char* buf;
-    unsigned int sp;
-    unsigned int ep;
+    unsigned char* sp;
+    unsigned char* ep;
+
+
     int bufsize;
 
   public: