X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/893d3e85b98124fc28002be5584b685324646037..8d48388ebfb69ab21a50d068275d2f6b7abffb87:/apt-pkg/contrib/md5.cc

diff --git a/apt-pkg/contrib/md5.cc b/apt-pkg/contrib/md5.cc
index a095f8f0f..c0fa8493d 100644
--- a/apt-pkg/contrib/md5.cc
+++ b/apt-pkg/contrib/md5.cc
@@ -37,14 +37,13 @@
 // Include Files							/*{{{*/
 #include <apt-pkg/md5.h>
 #include <apt-pkg/strutl.h>
+#include <apt-pkg/macros.h>
 
 #include <string.h>
 #include <unistd.h>
 #include <netinet/in.h>                          // For htonl
 #include <inttypes.h>
 #include <config.h>
-#include <system.h>
-
 									/*}}}*/
 
 // byteSwap - Swap bytes in a buffer					/*{{{*/
@@ -294,11 +293,16 @@ bool MD5Summation::AddFD(int Fd,unsigned long Size)
 {
    unsigned char Buf[64*64];
    int Res = 0;
-   while (Size != 0)
+   int ToEOF = (Size == 0);
+   while (Size != 0 || ToEOF)
    {
-      Res = read(Fd,Buf,min(Size,(unsigned long)sizeof(Buf)));
-      if (Res < 0 || (unsigned)Res != min(Size,(unsigned long)sizeof(Buf)))
-	 return false;
+      unsigned n = sizeof(Buf);
+      if (!ToEOF) n = min(Size,(unsigned long)n);
+      Res = read(Fd,Buf,n);
+      if (Res < 0 || (!ToEOF && (unsigned) Res != n)) // error, or short read
+         return false;
+      if (ToEOF && Res == 0) // EOF
+         break;
       Size -= Res;
       Add(Buf,Res);
    }