X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/021988eaf4dd67c73dbbb26302e8466836fc7566..319810767180e5c57c296b06c93e3ebec9f36a8e:/apt-pkg/contrib/md5.cc

diff --git a/apt-pkg/contrib/md5.cc b/apt-pkg/contrib/md5.cc
index e656f3221..c0fa8493d 100644
--- a/apt-pkg/contrib/md5.cc
+++ b/apt-pkg/contrib/md5.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: md5.cc,v 1.4 1999/10/25 03:36:41 jgg Exp $
+// $Id: md5.cc,v 1.12 2001/05/13 05:15:03 jgg Exp $
 /* ######################################################################
    
    MD5Sum - MD5 Message Digest Algorithm.
@@ -28,33 +28,31 @@
    Still in the public domain.
 
    The classes use arrays of char that are a specific size. We cast those
-   arrays to UINT32's and go from there. This allows us to advoid using
-   config.h in a public header or internally newing memory. 
+   arrays to uint8_t's and go from there. This allows us to advoid using
+   the uncommon inttypes.h in a public header or internally newing memory.
+   In theory if C9x becomes nicely accepted
    
    ##################################################################### */
 									/*}}}*/
 // Include Files							/*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/md5.h"
-#endif
-
 #include <apt-pkg/md5.h>
 #include <apt-pkg/strutl.h>
+#include <apt-pkg/macros.h>
 
 #include <string.h>
-#include <system.h>
 #include <unistd.h>
-#include <config.h>
+#include <netinet/in.h>                          // For htonl
 #include <inttypes.h>
+#include <config.h>
 									/*}}}*/
 
 // byteSwap - Swap bytes in a buffer					/*{{{*/
 // ---------------------------------------------------------------------
-/* This byteswap function will swap byte in a buffer of data */
+/* Swap n 32 bit longs in given buffer */
 #ifdef WORDS_BIGENDIAN
 static void byteSwap(uint32_t *buf, unsigned words)
 {
-   unsigned char *p = (unsigned char *)buf;
+   uint8_t *p = (uint8_t *)buf;
    
    do 
    {
@@ -189,7 +187,7 @@ MD5SumValue::MD5SumValue()
 /* Converts the hex string into a set of chars */
 bool MD5SumValue::Set(string Str)
 {
-   return Hex2Num(Str.begin(),Str.end(),Sum,sizeof(Sum));
+   return Hex2Num(Str,Sum,sizeof(Sum));
 }
 									/*}}}*/
 // MD5SumValue::Value - Convert the number into a string		/*{{{*/
@@ -295,11 +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,sizeof(Buf)));
-      if (Res < 0 || (unsigned)Res != MIN(Size,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);
    }