merged fix from donkult

diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index 59c4ee365615f4a04dde3061c160fd1f02c0a3b2..e4f3f95826baadabe7609fa6ca07af03d8f7b95b 100644 (file)
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -816,16 +816,16 @@ bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,
       ++lineEnd;
 
       // which datastorage need to be updated
-      map_ptrloc* writeTo = NULL;
+      enum { Suite, Component, Version, Origin, Codename, Label, None } writeTo = None;
       if (buffer[0] == ' ')
         ;
-      #define APT_PARSER_WRITETO(X, Y) else if (strncmp(Y, buffer, len) == 0) writeTo = &X;
-      APT_PARSER_WRITETO(FileI->Archive, "Suite")
-      APT_PARSER_WRITETO(FileI->Component, "Component")
-      APT_PARSER_WRITETO(FileI->Version, "Version")
-      APT_PARSER_WRITETO(FileI->Origin, "Origin")
-      APT_PARSER_WRITETO(FileI->Codename, "Codename")
-      APT_PARSER_WRITETO(FileI->Label, "Label")
+      #define APT_PARSER_WRITETO(X) else if (strncmp(#X, buffer, len) == 0) writeTo = X;
+      APT_PARSER_WRITETO(Suite)
+      APT_PARSER_WRITETO(Component)
+      APT_PARSER_WRITETO(Version)
+      APT_PARSER_WRITETO(Origin)
+      APT_PARSER_WRITETO(Codename)
+      APT_PARSER_WRITETO(Label)
       #undef APT_PARSER_WRITETO
       #define APT_PARSER_FLAGIT(X) else if (strncmp(#X, buffer, len) == 0) \
         pkgTagSection::FindFlag(FileI->Flags, pkgCache::Flag:: X, dataStart, lineEnd);
@@ -835,19 +835,19 @@ bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,
 
       // load all data from the line and save it
       string data;
-      if (writeTo != NULL)
+      if (writeTo != None)
         data.append(dataStart, dataEnd);
       if (sizeof(buffer) - 1 == (dataEnd - buffer))
       {
         while (fgets(buffer, sizeof(buffer), release) != NULL)
         {
-           if (writeTo != NULL)
+           if (writeTo != None)
               data.append(buffer);
            if (strlen(buffer) != sizeof(buffer) - 1)
               break;
         }
       }
-      if (writeTo != NULL)
+      if (writeTo != None)
       {
         // remove spaces and stuff from the end of the data line
         for (std::string::reverse_iterator s = data.rbegin();
@@ -857,7 +857,15 @@ bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,
               break;
            *s = '\0';
         }
-        *writeTo = WriteUniqString(data);
+        switch (writeTo) {
+        case Suite: FileI->Archive = WriteUniqString(data); break;
+        case Component: FileI->Component = WriteUniqString(data); break;
+        case Version: FileI->Version = WriteUniqString(data); break;
+        case Origin: FileI->Origin = WriteUniqString(data); break;
+        case Codename: FileI->Codename = WriteUniqString(data); break;
+        case Label: FileI->Label = WriteUniqString(data); break;
+        case None: break;
+        }
       }
    }
    fclose(release);

diff --git a/debian/changelog b/debian/changelog
index 51d09d28a2a18325234d8690f6c0f4fc9640db01..4ca81c32902152b4712da899e0e0967e63febf7e 100644 (file)
--- a/debian/changelog
+++ b/debian/changelog
@@ -28,6 +28,11 @@ apt (0.8.16~exp5) experimental; urgency=low
   * ftparchive/cachedb.cc:
     - fix buffersize in bytes2hex
 
+  [ David Kalnischkies ]  
+  * apt-pkg/deb/deblistparser.cc:
+    - fix crash when the dynamic mmap needs to be grown in
+      LoadReleaseInfo (LP: #854090)
+
  -- Michael Vogt <mvo@debian.org>  Fri, 05 Aug 2011 10:57:08 +0200
 
 apt (0.8.16~exp4) experimental; urgency=low