X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/ce7f128c020e1347f91c6074238fc5da58c5df71..c4d749b78a46e69887ec9662851f180e587f2d34:/apt-pkg/deb/deblistparser.cc

diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index 89f3514c9..a1bcfb710 100644
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -21,8 +21,17 @@
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/crc-16.h>
 #include <apt-pkg/md5.h>
+#include <apt-pkg/mmap.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/tagfile.h>
 #include <apt-pkg/macros.h>
 
+#include <stddef.h>
+#include <string.h>
+#include <algorithm>
+#include <string>
+#include <vector>
 #include <ctype.h>
 									/*}}}*/
 
@@ -34,7 +43,7 @@ static debListParser::WordList PrioList[] = {
    {"standard",pkgCache::State::Standard},
    {"optional",pkgCache::State::Optional},
    {"extra",pkgCache::State::Extra},
-   {}};
+   {NULL, 0}};
 
 // ListParser::debListParser - Constructor				/*{{{*/
 // ---------------------------------------------------------------------
@@ -95,44 +104,49 @@ string debListParser::Version()
    return Section.FindS("Version");
 }
 									/*}}}*/
-// ListParser::NewVersion - Fill in the version structure		/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool debListParser::NewVersion(pkgCache::VerIterator &Ver)
+unsigned char debListParser::ParseMultiArch(bool const showErrors)	/*{{{*/
 {
-   // Parse the section
-   Ver->Section = UniqFindTagWrite("Section");
-
-   // Parse multi-arch
+   unsigned char MA;
    string const MultiArch = Section.FindS("Multi-Arch");
    if (MultiArch.empty() == true)
-      Ver->MultiArch = pkgCache::Version::None;
+      MA = pkgCache::Version::None;
    else if (MultiArch == "same") {
-      // Parse multi-arch
       if (ArchitectureAll() == true)
       {
-	 /* Arch all packages can't be Multi-Arch: same */
-	 _error->Warning("Architecture: all package '%s' can't be Multi-Arch: same",
-			Section.FindS("Package").c_str());
-	 Ver->MultiArch = pkgCache::Version::None;
+	 if (showErrors == true)
+	    _error->Warning("Architecture: all package '%s' can't be Multi-Arch: same",
+		  Section.FindS("Package").c_str());
+	 MA = pkgCache::Version::None;
       }
       else
-	 Ver->MultiArch = pkgCache::Version::Same;
+	 MA = pkgCache::Version::Same;
    }
    else if (MultiArch == "foreign")
-      Ver->MultiArch = pkgCache::Version::Foreign;
+      MA = pkgCache::Version::Foreign;
    else if (MultiArch == "allowed")
-      Ver->MultiArch = pkgCache::Version::Allowed;
+      MA = pkgCache::Version::Allowed;
    else
    {
-      _error->Warning("Unknown Multi-Arch type '%s' for package '%s'",
-			MultiArch.c_str(), Section.FindS("Package").c_str());
-      Ver->MultiArch = pkgCache::Version::None;
+      if (showErrors == true)
+	 _error->Warning("Unknown Multi-Arch type '%s' for package '%s'",
+	       MultiArch.c_str(), Section.FindS("Package").c_str());
+      MA = pkgCache::Version::None;
    }
 
    if (ArchitectureAll() == true)
-      Ver->MultiArch |= pkgCache::Version::All;
+      MA |= pkgCache::Version::All;
 
+   return MA;
+}
+									/*}}}*/
+// ListParser::NewVersion - Fill in the version structure		/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool debListParser::NewVersion(pkgCache::VerIterator &Ver)
+{
+   // Parse the section
+   Ver->Section = UniqFindTagWrite("Section");
+   Ver->MultiArch = ParseMultiArch(true);
    // Archive Size
    Ver->Size = Section.FindULL("Size");
    // Unpacked Size (in K)
@@ -354,7 +368,7 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
                           {"hold",pkgCache::State::Hold},
                           {"deinstall",pkgCache::State::DeInstall},
                           {"purge",pkgCache::State::Purge},
-                          {}};
+                          {NULL, 0}};
    if (GrabWord(string(Start,I-Start),WantList,Pkg->SelectedState) == false)
       return _error->Error("Malformed 1st word in the Status line");
 
@@ -370,7 +384,7 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
                           {"reinstreq",pkgCache::State::ReInstReq},
                           {"hold",pkgCache::State::HoldInst},
                           {"hold-reinstreq",pkgCache::State::HoldReInstReq},
-                          {}};
+                          {NULL, 0}};
    if (GrabWord(string(Start,I-Start),FlagList,Pkg->InstState) == false)
       return _error->Error("Malformed 2nd word in the Status line");
 
@@ -392,7 +406,7 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
                             {"triggers-pending",pkgCache::State::TriggersPending},
                             {"post-inst-failed",pkgCache::State::HalfConfigured},
                             {"removal-failed",pkgCache::State::HalfInstalled},
-                            {}};
+                            {NULL, 0}};
    if (GrabWord(string(Start,I-Start),StatusList,Pkg->CurrentState) == false)
       return _error->Error("Malformed 3rd word in the Status line");
 
@@ -924,3 +938,24 @@ unsigned char debListParser::GetPrio(string Str)
    return Out;
 }
 									/*}}}*/
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
+bool debListParser::SameVersion(unsigned short const Hash,		/*{{{*/
+      pkgCache::VerIterator const &Ver)
+{
+   if (pkgCacheGenerator::ListParser::SameVersion(Hash, Ver) == false)
+      return false;
+   // status file has no (Download)Size, but all others are fair game
+   // status file is parsed last, so the first version we encounter is
+   // probably also the version we have downloaded
+   unsigned long long const Size = Section.FindULL("Size");
+   if (Size != 0 && Size != Ver->Size)
+      return false;
+   // available everywhere, but easier to check here than to include in VersionHash
+   unsigned char MultiArch = ParseMultiArch(false);
+   if (MultiArch != Ver->MultiArch)
+      return false;
+   // for all practical proposes (we can check): same version
+   return true;
+}
+									/*}}}*/
+#endif