1 files changed, 11 insertions, 11 deletions
diff --git a/decompress.cc b/decompress.cc
index cf0318c..cdcc7af 100644
--- a/decompress.cc
+++ b/decompress.cc
@@ -1,6 +1,6 @@
 /*  Plzip - Parallel compressor compatible with lzip
     Copyright (C) 2009 Laszlo Ersek.
-    Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Antonio Diaz Diaz.
+    Copyright (C) 2009-2014 Antonio Diaz Diaz.
 
     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
@@ -43,17 +43,17 @@
 int preadblock( const int fd, uint8_t * const buf, const int size,
                 const long long pos )
   {
-  int rest = size;
+  int sz = 0;
   errno = 0;
-  while( rest > 0 )
+  while( sz < size )
     {
-    const int n = pread( fd, buf + size - rest, rest, pos + size - rest );
-    if( n > 0 ) rest -= n;
+    const int n = pread( fd, buf + sz, size - sz, pos + sz );
+    if( n > 0 ) sz += n;
     else if( n == 0 ) break;				// EOF
     else if( errno != EINTR ) break;
     errno = 0;
     }
-  return size - rest;
+  return sz;
   }
 
 
@@ -63,16 +63,16 @@ int preadblock( const int fd, uint8_t * const buf, const int size,
 int pwriteblock( const int fd, const uint8_t * const buf, const int size,
                  const long long pos )
   {
-  int rest = size;
+  int sz = 0;
   errno = 0;
-  while( rest > 0 )
+  while( sz < size )
     {
-    const int n = pwrite( fd, buf + size - rest, rest, pos + size - rest );
-    if( n > 0 ) rest -= n;
+    const int n = pwrite( fd, buf + sz, size - sz, pos + sz );
+    if( n > 0 ) sz += n;
     else if( n < 0 && errno != EINTR ) break;
     errno = 0;
     }
-  return size - rest;
+  return sz;
   }