Support large files in the complete toolset. Indexes of this

size are pretty unlikely for now, but we need it for deb
packages which could become bigger than 4GB now (LP: #815895)

1 files changed, 5 insertions, 5 deletions

diff --git a/apt-pkg/contrib/hashsum.cc b/apt-pkg/contrib/hashsum.cc
index 28f711176..0edcbb364 100644
--- a/apt-pkg/contrib/hashsum.cc
+++ b/apt-pkg/contrib/hashsum.cc
@@ -7,16 +7,16 @@
 // Summation::AddFD - Add content of file into the checksum		/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool SummationImplementation::AddFD(int const Fd, unsigned long Size) {
+bool SummationImplementation::AddFD(int const Fd, unsigned long long Size) {
    unsigned char Buf[64 * 64];
-   int Res = 0;
+   ssize_t Res = 0;
    int ToEOF = (Size == 0);
    while (Size != 0 || ToEOF)
    {
-      unsigned n = sizeof(Buf);
-      if (!ToEOF) n = min(Size,(unsigned long)n);
+      unsigned long long n = sizeof(Buf);
+      if (!ToEOF) n = min(Size, n);
       Res = read(Fd, Buf, n);
-      if (Res < 0 || (!ToEOF && (unsigned) Res != n)) // error, or short read
+      if (Res < 0 || (!ToEOF && Res != (ssize_t) n)) // error, or short read
 	 return false;
       if (ToEOF && Res == 0) // EOF
 	 break;