1 files changed, 11 insertions, 11 deletions
diff --git a/compress.cc b/compress.cc
index f560be3..b579f3c 100644
--- a/compress.cc
+++ b/compress.cc
@@ -4,7 +4,7 @@
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
+    the Free Software Foundation, either version 2 of the License, or
     (at your option) any later version.
 
     This program is distributed in the hope that it will be useful,
@@ -45,17 +45,17 @@
 //
 int readblock( const int fd, uint8_t * const buf, const int size )
   {
-  int rest = size;
+  int sz = 0;
   errno = 0;
-  while( rest > 0 )
+  while( sz < size )
     {
-    const int n = read( fd, buf + size - rest, rest );
-    if( n > 0 ) rest -= n;
+    const int n = read( fd, buf + sz, size - sz );
+    if( n > 0 ) sz += n;
     else if( n == 0 ) break;				// EOF
     else if( errno != EINTR ) break;
     errno = 0;
     }
-  return size - rest;
+  return sz;
   }
 
 
@@ -64,16 +64,16 @@ int readblock( const int fd, uint8_t * const buf, const int size )
 //
 int writeblock( const int fd, const uint8_t * const buf, const int size )
   {
-  int rest = size;
+  int sz = 0;
   errno = 0;
-  while( rest > 0 )
+  while( sz < size )
     {
-    const int n = write( fd, buf + size - rest, rest );
-    if( n > 0 ) rest -= n;
+    const int n = write( fd, buf + sz, size - sz );
+    if( n > 0 ) sz += n;
     else if( n < 0 && errno != EINTR ) break;
     errno = 0;
     }
-  return size - rest;
+  return sz;
   }