X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/61843f539513b3e661dac55717e6d7cc0b8f9b0c..4e3180ff00ae32e4d836517180137048ac3cdfc7:/cmdline/apt-cache.cc diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc index 336ac544b..84b775390 100644 --- a/cmdline/apt-cache.cc +++ b/cmdline/apt-cache.cc @@ -15,68 +15,59 @@ // Include Files /*{{{*/ #include -#include +#include #include #include -#include -#include -#include #include -#include +#include #include +#include +#include +#include #include -#include -#include +#include #include -#include -#include +#include +#include #include -#include -#include -#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include -#include -#include -#include -#include -#include #include +#include #include -#include +#include +#include #include +#include +#include +#include +#include +#include +#include +#include +#include #include /*}}}*/ using namespace std; -// CacheSetHelper saving virtual packages /*{{{*/ -class CacheSetHelperVirtuals: public APT::CacheSetHelper { -public: - APT::PackageSet virtualPkgs; - - virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) { - virtualPkgs.insert(Pkg); - return CacheSetHelper::canNotFindCandidateVer(Cache, Pkg); - } - - virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) { - virtualPkgs.insert(Pkg); - return CacheSetHelper::canNotFindNewestVer(Cache, Pkg); - } - - virtual void canNotFindAllVer(APT::VersionContainerInterface * vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) { - virtualPkgs.insert(Pkg); - CacheSetHelper::canNotFindAllVer(vci, Cache, Pkg); - } - - CacheSetHelperVirtuals(bool const ShowErrors = true, GlobalError::MsgType const &ErrorType = GlobalError::NOTICE) : CacheSetHelper(ShowErrors, ErrorType) {} -}; - /*}}}*/ // LocalitySort - Sort a version list by package file locality /*{{{*/ // --------------------------------------------------------------------- /* */ -int LocalityCompare(const void *a, const void *b) +static int LocalityCompare(const void *a, const void *b) { pkgCache::VerFile *A = *(pkgCache::VerFile **)a; pkgCache::VerFile *B = *(pkgCache::VerFile **)b; @@ -93,13 +84,13 @@ int LocalityCompare(const void *a, const void *b) return A->File - B->File; } -void LocalitySort(pkgCache::VerFile **begin, +static void LocalitySort(pkgCache::VerFile **begin, unsigned long Count,size_t Size) { qsort(begin,Count,Size,LocalityCompare); } -void LocalitySort(pkgCache::DescFile **begin, +static void LocalitySort(pkgCache::DescFile **begin, unsigned long Count,size_t Size) { qsort(begin,Count,Size,LocalityCompare); @@ -108,7 +99,7 @@ void LocalitySort(pkgCache::DescFile **begin, // UnMet - Show unmet dependencies /*{{{*/ // --------------------------------------------------------------------- /* */ -bool ShowUnMet(pkgCache::VerIterator const &V, bool const Important) +static bool ShowUnMet(pkgCache::VerIterator const &V, bool const Important) { bool Header = false; for (pkgCache::DepIterator D = V.DependsList(); D.end() == false;) @@ -181,7 +172,7 @@ bool ShowUnMet(pkgCache::VerIterator const &V, bool const Important) } return true; } -bool UnMet(CommandLine &CmdL) +static bool UnMet(CommandLine &CmdL) { bool const Important = _config->FindB("APT::Cache::Important",false); @@ -211,7 +202,7 @@ bool UnMet(CommandLine &CmdL) // DumpPackage - Show a dump of a package record /*{{{*/ // --------------------------------------------------------------------- /* */ -bool DumpPackage(CommandLine &CmdL) +static bool DumpPackage(CommandLine &CmdL) { pkgCacheFile CacheFile; APT::CacheSetHelper helper(true, GlobalError::NOTICE); @@ -276,7 +267,7 @@ bool DumpPackage(CommandLine &CmdL) // Stats - Dump some nice statistics /*{{{*/ // --------------------------------------------------------------------- /* */ -bool Stats(CommandLine &Cmd) +static bool Stats(CommandLine &) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); @@ -389,49 +380,49 @@ bool Stats(CommandLine &Cmd) // Dump - show everything /*{{{*/ // --------------------------------------------------------------------- /* This is worthless except fer debugging things */ -bool Dump(CommandLine &Cmd) +static bool Dump(CommandLine &) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); if (unlikely(Cache == NULL)) return false; - cout << "Using Versioning System: " << Cache->VS->Label << endl; + std::cout << "Using Versioning System: " << Cache->VS->Label << std::endl; for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P) { - cout << "Package: " << P.FullName(true) << endl; + std::cout << "Package: " << P.FullName(true) << std::endl; for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; ++V) { - cout << " Version: " << V.VerStr() << endl; - cout << " File: " << V.FileList().File().FileName() << endl; + std::cout << " Version: " << V.VerStr() << std::endl; + std::cout << " File: " << V.FileList().File().FileName() << std::endl; for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; ++D) - cout << " Depends: " << D.TargetPkg().FullName(true) << ' ' << - DeNull(D.TargetVer()) << endl; + std::cout << " Depends: " << D.TargetPkg().FullName(true) << ' ' << + DeNull(D.TargetVer()) << std::endl; for (pkgCache::DescIterator D = V.DescriptionList(); D.end() == false; ++D) { - cout << " Description Language: " << D.LanguageCode() << endl - << " File: " << D.FileList().File().FileName() << endl - << " MD5: " << D.md5() << endl; + std::cout << " Description Language: " << D.LanguageCode() << std::endl + << " File: " << D.FileList().File().FileName() << std::endl + << " MD5: " << D.md5() << std::endl; } } } for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F.end() == false; ++F) { - cout << "File: " << F.FileName() << endl; - cout << " Type: " << F.IndexType() << endl; - cout << " Size: " << F->Size << endl; - cout << " ID: " << F->ID << endl; - cout << " Flags: " << F->Flags << endl; - cout << " Time: " << TimeRFC1123(F->mtime) << endl; - cout << " Archive: " << DeNull(F.Archive()) << endl; - cout << " Component: " << DeNull(F.Component()) << endl; - cout << " Version: " << DeNull(F.Version()) << endl; - cout << " Origin: " << DeNull(F.Origin()) << endl; - cout << " Site: " << DeNull(F.Site()) << endl; - cout << " Label: " << DeNull(F.Label()) << endl; - cout << " Architecture: " << DeNull(F.Architecture()) << endl; + std::cout << "File: " << F.FileName() << std::endl; + std::cout << " Type: " << F.IndexType() << std::endl; + std::cout << " Size: " << F->Size << std::endl; + std::cout << " ID: " << F->ID << std::endl; + std::cout << " Flags: " << F->Flags << std::endl; + std::cout << " Time: " << TimeRFC1123(F->mtime) << std::endl; + std::cout << " Archive: " << DeNull(F.Archive()) << std::endl; + std::cout << " Component: " << DeNull(F.Component()) << std::endl; + std::cout << " Version: " << DeNull(F.Version()) << std::endl; + std::cout << " Origin: " << DeNull(F.Origin()) << std::endl; + std::cout << " Site: " << DeNull(F.Site()) << std::endl; + std::cout << " Label: " << DeNull(F.Label()) << std::endl; + std::cout << " Architecture: " << DeNull(F.Architecture()) << std::endl; } return true; @@ -441,7 +432,7 @@ bool Dump(CommandLine &Cmd) // --------------------------------------------------------------------- /* This is needed to make dpkg --merge happy.. I spent a bit of time to make this run really fast, perhaps I went a little overboard.. */ -bool DumpAvail(CommandLine &Cmd) +static bool DumpAvail(CommandLine &) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); @@ -550,7 +541,7 @@ bool DumpAvail(CommandLine &Cmd) if ((File->Flags & pkgCache::Flag::NotSource) == pkgCache::Flag::NotSource) { pkgTagSection Tags; - TFRewriteData RW[] = {{"Status",0},{"Config-Version",0},{}}; + TFRewriteData RW[] = {{"Status", NULL, NULL},{"Config-Version", NULL, NULL},{NULL, NULL, NULL}}; const char *Zero = 0; if (Tags.Scan(Buffer+Jitter,VF.Size+1) == false || TFRewrite(stdout,Tags,&Zero,RW) == false) @@ -580,7 +571,7 @@ bool DumpAvail(CommandLine &Cmd) } /*}}}*/ // ShowDepends - Helper for printing out a dependency tree /*{{{*/ -bool ShowDepends(CommandLine &CmdL, bool const RevDepends) +static bool ShowDepends(CommandLine &CmdL, bool const RevDepends) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); @@ -627,8 +618,7 @@ bool ShowDepends(CommandLine &CmdL, bool const RevDepends) case pkgCache::Dep::Depends: if (!ShowDepends) continue; break; case pkgCache::Dep::Recommends: if (!ShowRecommends) continue; break; case pkgCache::Dep::Suggests: if (!ShowSuggests) continue; break; - case pkgCache::Dep::Replaces: if (!ShowReplaces) continue; break; - case pkgCache::Dep::Conflicts: if (!ShowConflicts) continue; break; + case pkgCache::Dep::Replaces: if (!ShowReplaces) continue; break; case pkgCache::Dep::Conflicts: if (!ShowConflicts) continue; break; case pkgCache::Dep::DpkgBreaks: if (!ShowBreaks) continue; break; case pkgCache::Dep::Enhances: if (!ShowEnhances) continue; break; } @@ -695,7 +685,7 @@ bool ShowDepends(CommandLine &CmdL, bool const RevDepends) // Depends - Print out a dependency tree /*{{{*/ // --------------------------------------------------------------------- /* */ -bool Depends(CommandLine &CmdL) +static bool Depends(CommandLine &CmdL) { return ShowDepends(CmdL, false); } @@ -703,7 +693,7 @@ bool Depends(CommandLine &CmdL) // RDepends - Print out a reverse dependency tree /*{{{*/ // --------------------------------------------------------------------- /* */ -bool RDepends(CommandLine &CmdL) +static bool RDepends(CommandLine &CmdL) { return ShowDepends(CmdL, true); } @@ -712,7 +702,7 @@ bool RDepends(CommandLine &CmdL) // --------------------------------------------------------------------- // Code contributed from Junichi Uekawa on 20 June 2002. -bool XVcg(CommandLine &CmdL) +static bool XVcg(CommandLine &CmdL) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); @@ -924,7 +914,7 @@ bool XVcg(CommandLine &CmdL) /* Dotty is the graphvis program for generating graphs. It is a fairly simple queuing algorithm that just writes dependencies and nodes. http://www.research.att.com/sw/tools/graphviz/ */ -bool Dotty(CommandLine &CmdL) +static bool Dotty(CommandLine &CmdL) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); @@ -1128,14 +1118,16 @@ bool Dotty(CommandLine &CmdL) /* This displays the package record from the proper package index file. It is not used by DumpAvail for performance reasons. */ -static unsigned char const* skipDescriptionFields(unsigned char const * DescP) +static APT_PURE unsigned char const* skipDescriptionFields(unsigned char const * DescP) { + char const * const TagName = "\nDescription"; + size_t const TagLen = strlen(TagName); while ((DescP = (unsigned char*)strchr((char*)DescP, '\n')) != NULL) { if (DescP[1] == ' ') DescP += 2; - else if (strncmp((char*)DescP, "\nDescription", strlen("\nDescription")) == 0) - DescP += strlen("\nDescription"); + else if (strncmp((char*)DescP, TagName, TagLen) == 0) + DescP += TagLen; else break; } @@ -1143,7 +1135,7 @@ static unsigned char const* skipDescriptionFields(unsigned char const * DescP) ++DescP; return DescP; } -bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V) +static bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V) { pkgCache *Cache = CacheFile.GetPkgCache(); if (unlikely(Cache == NULL)) @@ -1166,11 +1158,12 @@ bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V) if (PkgF.Open(I.FileName(), FileFd::ReadOnly, FileFd::Extension) == false) return false; - // Read the record - unsigned char *Buffer = new unsigned char[Cache->HeaderP->MaxVerFileSize+1]; - Buffer[V.FileList()->Size] = '\n'; - if (PkgF.Seek(V.FileList()->Offset) == false || - PkgF.Read(Buffer,V.FileList()->Size) == false) + // Read the record (and ensure that it ends with a newline and NUL) + unsigned char *Buffer = new unsigned char[Cache->HeaderP->MaxVerFileSize+2]; + Buffer[Vf->Size] = '\n'; + Buffer[Vf->Size+1] = '\0'; + if (PkgF.Seek(Vf->Offset) == false || + PkgF.Read(Buffer,Vf->Size) == false) { delete [] Buffer; return false; @@ -1181,10 +1174,11 @@ bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V) if (DescP != NULL) ++DescP; else - DescP = Buffer + V.FileList()->Size; + DescP = Buffer + Vf->Size; // Write all but Description - if (fwrite(Buffer,1,DescP - Buffer,stdout) < (size_t)(DescP - Buffer)) + size_t const length = DescP - Buffer; + if (length != 0 && FileFd::Write(STDOUT_FILENO, Buffer, length) == false) { delete [] Buffer; return false; @@ -1211,7 +1205,7 @@ bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V) const unsigned char *End = (unsigned char*)strstr((char*)DescP, "\nDescription"); if (End == NULL) { - End = &Buffer[V.FileList()->Size]; + End = &Buffer[Vf->Size]; DescP = NULL; } else @@ -1220,7 +1214,7 @@ bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V) DescP = skipDescriptionFields(End + strlen("Description")); } size_t const length = End - Start; - if (fwrite(Start, 1, length, stdout) < length) + if (length != 0 && FileFd::Write(STDOUT_FILENO, Start, length) == false) { delete [] Buffer; return false; @@ -1229,12 +1223,11 @@ bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V) // write a final newline after the last field cout<FindB("APT::Cache::ShowFull",false); bool const NamesOnly = _config->FindB("APT::Cache::NamesOnly",false); @@ -1318,7 +1311,11 @@ bool Search(CommandLine &CmdL) pkgCache::VerIterator V = Plcy->GetCandidateVer(P); if (V.end() == false) { - DFList[G->ID].Df = V.TranslatedDescription().FileList(); + pkgCache::DescIterator const D = V.TranslatedDescription(); + //FIXME: packages without a description can't be found + if (D.end() == true) + continue; + DFList[G->ID].Df = D.FileList(); DFList[G->ID].ID = G->ID; } @@ -1333,7 +1330,11 @@ bool Search(CommandLine &CmdL) continue; unsigned long id = Prv.OwnerPkg().Group()->ID; - DFList[id].Df = V.TranslatedDescription().FileList(); + pkgCache::DescIterator const D = V.TranslatedDescription(); + //FIXME: packages without a description can't be found + if (D.end() == true) + continue; + DFList[id].Df = D.FileList(); DFList[id].ID = id; size_t const PrvPatternOffset = id * NumPatterns; @@ -1396,7 +1397,7 @@ bool Search(CommandLine &CmdL) } /*}}}*/ /* ShowAuto - show automatically installed packages (sorted) {{{*/ -bool ShowAuto(CommandLine &CmdL) +static bool ShowAuto(CommandLine &) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); @@ -1423,7 +1424,7 @@ bool ShowAuto(CommandLine &CmdL) // ShowPackage - Dump the package record to the screen /*{{{*/ // --------------------------------------------------------------------- /* */ -bool ShowPackage(CommandLine &CmdL) +static bool ShowPackage(CommandLine &CmdL) { pkgCacheFile CacheFile; CacheSetHelperVirtuals helper(true, GlobalError::NOTICE); @@ -1447,7 +1448,7 @@ bool ShowPackage(CommandLine &CmdL) // ShowPkgNames - Show package names /*{{{*/ // --------------------------------------------------------------------- /* This does a prefix match on the first argument */ -bool ShowPkgNames(CommandLine &CmdL) +static bool ShowPkgNames(CommandLine &CmdL) { pkgCacheFile CacheFile; if (unlikely(CacheFile.BuildCaches(NULL, false) == false)) @@ -1486,7 +1487,7 @@ bool ShowPkgNames(CommandLine &CmdL) // ShowSrcPackage - Show source package records /*{{{*/ // --------------------------------------------------------------------- /* */ -bool ShowSrcPackage(CommandLine &CmdL) +static bool ShowSrcPackage(CommandLine &CmdL) { pkgCacheFile CacheFile; pkgSourceList *List = CacheFile.GetSourceList(); @@ -1523,7 +1524,7 @@ bool ShowSrcPackage(CommandLine &CmdL) // Policy - Show the results of the preferences file /*{{{*/ // --------------------------------------------------------------------- /* */ -bool Policy(CommandLine &CmdL) +static bool Policy(CommandLine &CmdL) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); @@ -1652,7 +1653,7 @@ bool Policy(CommandLine &CmdL) // Madison - Look a bit like katie's madison /*{{{*/ // --------------------------------------------------------------------- /* */ -bool Madison(CommandLine &CmdL) +static bool Madison(CommandLine &CmdL) { pkgCacheFile CacheFile; pkgSourceList *SrcList = CacheFile.GetSourceList(); @@ -1725,7 +1726,7 @@ bool Madison(CommandLine &CmdL) // GenCaches - Call the main cache generator /*{{{*/ // --------------------------------------------------------------------- /* */ -bool GenCaches(CommandLine &Cmd) +static bool GenCaches(CommandLine &) { OpTextProgress Progress(*_config); @@ -1736,7 +1737,7 @@ bool GenCaches(CommandLine &Cmd) // ShowHelp - Show a help screen /*{{{*/ // --------------------------------------------------------------------- /* */ -bool ShowHelp(CommandLine &Cmd) +static bool ShowHelp(CommandLine &) { ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION, COMMON_ARCH,__DATE__,__TIME__); @@ -1783,38 +1784,10 @@ bool ShowHelp(CommandLine &Cmd) /*}}}*/ int main(int argc,const char *argv[]) /*{{{*/ { - CommandLine::Args Args[] = { - {'h',"help","help",0}, - {'v',"version","version",0}, - {'p',"pkg-cache","Dir::Cache::pkgcache",CommandLine::HasArg}, - {'s',"src-cache","Dir::Cache::srcpkgcache",CommandLine::HasArg}, - {'q',"quiet","quiet",CommandLine::IntLevel}, - {'i',"important","APT::Cache::Important",0}, - {'f',"full","APT::Cache::ShowFull",0}, - {'g',"generate","APT::Cache::Generate",0}, - {'a',"all-versions","APT::Cache::AllVersions",0}, - {'n',"names-only","APT::Cache::NamesOnly",0}, - {0,"all-names","APT::Cache::AllNames",0}, - {0,"recurse","APT::Cache::RecurseDepends",0}, - {'t',"target-release","APT::Default-Release",CommandLine::HasArg}, - {'t',"default-release","APT::Default-Release",CommandLine::HasArg}, - {'c',"config-file",0,CommandLine::ConfigFile}, - {'o',"option",0,CommandLine::ArbItem}, - {0,"installed","APT::Cache::Installed",0}, - {0,"pre-depends","APT::Cache::ShowPre-Depends",0}, - {0,"depends","APT::Cache::ShowDepends",0}, - {0,"recommends","APT::Cache::ShowRecommends",0}, - {0,"suggests","APT::Cache::ShowSuggests",0}, - {0,"replaces","APT::Cache::ShowReplaces",0}, - {0,"breaks","APT::Cache::ShowBreaks",0}, - {0,"conflicts","APT::Cache::ShowConflicts",0}, - {0,"enhances","APT::Cache::ShowEnhances",0}, - {0,0,0,0}}; - CommandLine::Dispatch CmdsA[] = {{"help",&ShowHelp}, + CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp}, {"gencaches",&GenCaches}, {"showsrc",&ShowSrcPackage}, - {0,0}}; - CommandLine::Dispatch CmdsB[] = {{"showpkg",&DumpPackage}, + {"showpkg",&DumpPackage}, {"stats",&Stats}, {"dump",&Dump}, {"dumpavail",&DumpAvail}, @@ -1831,12 +1804,14 @@ int main(int argc,const char *argv[]) /*{{{*/ {"madison",&Madison}, {0,0}}; + std::vector Args = getCommandArgs("apt-cache", CommandLine::GetCommand(Cmds, argc, argv)); + // Set up gettext support setlocale(LC_ALL,""); textdomain(PACKAGE); // Parse the command line and initialize the package library - CommandLine CmdL(Args,_config); + CommandLine CmdL(Args.data(),_config); if (pkgInitConfig(*_config) == false || CmdL.Parse(argc,argv) == false || pkgInitSystem(*_config,_system) == false) @@ -1860,8 +1835,8 @@ int main(int argc,const char *argv[]) /*{{{*/ if (_config->Exists("APT::Cache::Generate") == true) _config->Set("pkgCacheFile::Generate", _config->FindB("APT::Cache::Generate", true)); - if (CmdL.DispatchArg(CmdsA,false) == false && _error->PendingError() == false) - CmdL.DispatchArg(CmdsB); + // Match the operation + CmdL.DispatchArg(Cmds); // Print any errors or warnings found during parsing bool const Errors = _error->PendingError();