1 files changed, 6 insertions, 4 deletions
diff --git a/apt-pkg/contrib/hashsum.cc b/apt-pkg/contrib/hashsum.cc
index 289e43aa4..25ccc187d 100644
--- a/apt-pkg/contrib/hashsum.cc
+++ b/apt-pkg/contrib/hashsum.cc
@@ -1,6 +1,9 @@
 // Cryptographic API Base
 #include <config.h>
 
+#include <apt-pkg/fileutl.h>
+
+#include <algorithm>
 #include <unistd.h>
 #include "hashsum_template.h"
 
@@ -9,13 +12,12 @@
 /* */
 bool SummationImplementation::AddFD(int const Fd, unsigned long long Size) {
    unsigned char Buf[64 * 64];
-   ssize_t Res = 0;
-   int ToEOF = (Size == 0);
+   bool const ToEOF = (Size == 0);
    while (Size != 0 || ToEOF)
    {
       unsigned long long n = sizeof(Buf);
       if (!ToEOF) n = std::min(Size, n);
-      Res = read(Fd, Buf, n);
+      ssize_t const Res = read(Fd, Buf, n);
       if (Res < 0 || (!ToEOF && Res != (ssize_t) n)) // error, or short read
 	 return false;
       if (ToEOF && Res == 0) // EOF
@@ -27,7 +29,7 @@ bool SummationImplementation::AddFD(int const Fd, unsigned long long Size) {
 }
 bool SummationImplementation::AddFD(FileFd &Fd, unsigned long long Size) {
    unsigned char Buf[64 * 64];
-   bool ToEOF = (Size == 0);
+   bool const ToEOF = (Size == 0);
    while (Size != 0 || ToEOF)
    {
       unsigned long long n = sizeof(Buf);