support \n and \r\n line endings in ReadMessages

[apt.git] / apt-pkg / tagfile.cc

diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc
index ff6593e26e4514e78c5378a0ac578ed5e06c5952..1c79ee74ffaecc559f2a2daad8a4f63d30bdcce2 100644 (file)
--- a/apt-pkg/tagfile.cc
+++ b/apt-pkg/tagfile.cc
@@ -11,15 +11,18 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
+#include<config.h>
+
 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
+#include <apt-pkg/fileutl.h>
 
-#include <apti18n.h>
-    
 #include <string>
 #include <stdio.h>
 #include <ctype.h>
+
+#include <apti18n.h>
                                                                        /*}}}*/
 
 using std::string;
@@ -27,7 +30,10 @@ using std::string;
 class pkgTagFilePrivate
 {
 public:
-   pkgTagFilePrivate(FileFd *pFd, unsigned long Size) : Fd(*pFd), Size(Size)
+   pkgTagFilePrivate(FileFd *pFd, unsigned long long Size) : Fd(*pFd), Buffer(NULL),
+                                                            Start(NULL), End(NULL),
+                                                            Done(false), iOffset(0),
+                                                            Size(Size)
    {
    }
    FileFd &Fd;
@@ -35,14 +41,14 @@ public:
    char *Start;
    char *End;
    bool Done;
-   unsigned long iOffset;
-   unsigned long Size;
+   unsigned long long iOffset;
+   unsigned long long Size;
 };
 
 // TagFile::pkgTagFile - Constructor                                   /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-pkgTagFile::pkgTagFile(FileFd *pFd,unsigned long Size)
+pkgTagFile::pkgTagFile(FileFd *pFd,unsigned long long Size)
 {
    d = new pkgTagFilePrivate(pFd, Size);
 
@@ -84,7 +90,7 @@ unsigned long pkgTagFile::Offset()
 bool pkgTagFile::Resize()
 {
    char *tmp;
-   unsigned long EndSize = d->End - d->Start;
+   unsigned long long EndSize = d->End - d->Start;
 
    // fail is the buffer grows too big
    if(d->Size > 1024*1024+1)
@@ -136,8 +142,8 @@ bool pkgTagFile::Step(pkgTagSection &Tag)
    then fills the rest from the file */
 bool pkgTagFile::Fill()
 {
-   unsigned long EndSize = d->End - d->Start;
-   unsigned long Actual = 0;
+   unsigned long long EndSize = d->End - d->Start;
+   unsigned long long Actual = 0;
    
    memmove(d->Buffer,d->Start,EndSize);
    d->Start = d->Buffer;
@@ -178,12 +184,12 @@ bool pkgTagFile::Fill()
 // ---------------------------------------------------------------------
 /* This jumps to a pre-recorded file location and reads the record
    that is there */
-bool pkgTagFile::Jump(pkgTagSection &Tag,unsigned long Offset)
+bool pkgTagFile::Jump(pkgTagSection &Tag,unsigned long long Offset)
 {
    // We are within a buffer space of the next hit..
    if (Offset >= d->iOffset && d->iOffset + (d->End - d->Start) > Offset)
    {
-      unsigned long Dist = Offset - d->iOffset;
+      unsigned long long Dist = Offset - d->iOffset;
       d->Start += Dist;
       d->iOffset += Dist;
       return Step(Tag);
@@ -276,10 +282,17 @@ void pkgTagSection::Trim()
    for (; Stop > Section + 2 && (Stop[-2] == '\n' || Stop[-2] == '\r'); Stop--);
 }
                                                                        /*}}}*/
+// TagSection::Exists - return True if a tag exists                    /*{{{*/
+bool pkgTagSection::Exists(const char* const Tag)
+{
+   unsigned int tmp;
+   return Find(Tag, tmp);
+}
+                                                                       /*}}}*/
 // TagSection::Find - Locate a tag                                     /*{{{*/
 // ---------------------------------------------------------------------
 /* This searches the section for a tag that matches the given string. */
-bool pkgTagSection::Find(const char *Tag,unsigned &Pos) const
+bool pkgTagSection::Find(const char *Tag,unsigned int &Pos) const
 {
    unsigned int Length = strlen(Tag);
    unsigned int I = AlphaIndexes[AlphaHash(Tag)];
@@ -420,9 +433,13 @@ bool pkgTagSection::FindFlag(const char *Tag,unsigned long &Flags,
    const char *Stop;
    if (Find(Tag,Start,Stop) == false)
       return true;
-   
-   switch (StringToBool(string(Start,Stop)))
-   {     
+   return FindFlag(Flags, Flag, Start, Stop);
+}
+bool const pkgTagSection::FindFlag(unsigned long &Flags, unsigned long Flag,
+                                       char const* Start, char const* Stop)
+{
+   switch (StringToBool(string(Start, Stop)))
+   {
       case 0:
       Flags &= ~Flag;
       return true;
@@ -474,6 +491,7 @@ static const char *iTFRewritePackageOrder[] = {
                           "MD5Sum",
                           "SHA1",
                           "SHA256",
+                          "SHA512",
                            "MSDOS-Filename",   // Obsolete
                           "Description",
                           0};