add support for apt-get build-dep foo.dsc

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

diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc
index b92b2c15ab86674fff11e94545e50b2c7f3fc759..009ed7d744d2f3b9977ae07136453e4c10ad5589 100644 (file)
--- a/apt-pkg/tagfile.cc
+++ b/apt-pkg/tagfile.cc
@@ -21,6 +21,8 @@
 #include <string>
 #include <stdio.h>
 #include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
 
 #include <apti18n.h>
                                                                        /*}}}*/
@@ -49,12 +51,23 @@ public:
 // ---------------------------------------------------------------------
 /* */
 pkgTagFile::pkgTagFile(FileFd *pFd,unsigned long long Size)
+   : d(NULL)
+{
+   Init(pFd, Size);
+}
+
+void pkgTagFile::Init(FileFd *pFd,unsigned long long Size)
 {
    /* The size is increased by 4 because if we start with the Size of the
       filename we need to try to read 1 char more to see an EOF faster, 1
       char the end-pointer can be on and maybe 2 newlines need to be added
       to the end of the file -> 4 extra chars */
    Size += 4;
+   if(d != NULL)
+   {
+      free(d->Buffer);
+      delete d;
+   }
    d = new pkgTagFilePrivate(pFd, Size);
 
    if (d->Fd.IsOpen() == false)
@@ -83,7 +96,7 @@ pkgTagFile::~pkgTagFile()
 }
                                                                        /*}}}*/
 // TagFile::Offset - Return the current offset in the buffer           /*{{{*/
-unsigned long pkgTagFile::Offset()
+APT_PURE unsigned long pkgTagFile::Offset()
 {
    return d->iOffset;
 }
@@ -207,7 +220,11 @@ bool pkgTagFile::Jump(pkgTagSection &Tag,unsigned long long Offset)
       unsigned long long Dist = Offset - d->iOffset;
       d->Start += Dist;
       d->iOffset += Dist;
-      return Step(Tag);
+      // if we have seen the end, don't ask for more
+      if (d->Done == true)
+        return Tag.Scan(d->Start, d->End - d->Start);
+      else
+        return Step(Tag);
    }
 
    // Reposition and reload..
@@ -467,7 +484,7 @@ bool pkgTagSection::FindFlag(const char *Tag,unsigned long &Flags,
       return true;
    return FindFlag(Flags, Flag, Start, Stop);
 }
-bool const pkgTagSection::FindFlag(unsigned long &Flags, unsigned long Flag,
+bool pkgTagSection::FindFlag(unsigned long &Flags, unsigned long Flag,
                                        char const* Start, char const* Stop)
 {
    switch (StringToBool(string(Start, Stop)))