fileutl: simple_buffer: Add write() and full() methods

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

diff --git a/apt-pkg/aptconfiguration.cc b/apt-pkg/aptconfiguration.cc
index 3948854c66496c9b683c315a3d87b14f606a0209..74f88640cc54ee2a967e3044df7b9a6a17ccd602 100644 (file)
--- a/apt-pkg/aptconfiguration.cc
+++ b/apt-pkg/aptconfiguration.cc
@@ -16,17 +16,51 @@
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/macros.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/macros.h>
 #include <apt-pkg/strutl.h>

+#include <apt-pkg/pkgsystem.h>

 
 

-#include <sys/types.h>

 #include <dirent.h>
 #include <stdio.h>
 #include <fcntl.h>
 #include <dirent.h>
 #include <stdio.h>
 #include <fcntl.h>

-
+#include <ctype.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>

 #include <algorithm>
 #include <string>
 #include <vector>
 #include <algorithm>
 #include <string>
 #include <vector>

+

                                                                        /*}}}*/
 namespace APT {
                                                                        /*}}}*/
 namespace APT {

+// setDefaultConfigurationForCompressors                               /*{{{*/
+static void setDefaultConfigurationForCompressors() {
+       // Set default application paths to check for optional compression types
+       _config->CndSet("Dir::Bin::bzip2", "/bin/bzip2");
+       _config->CndSet("Dir::Bin::xz", "/usr/bin/xz");
+       if (FileExists(_config->FindFile("Dir::Bin::xz")) == true) {
+               _config->Set("Dir::Bin::lzma", _config->FindFile("Dir::Bin::xz"));
+               _config->Set("APT::Compressor::lzma::Binary", "xz");
+               if (_config->Exists("APT::Compressor::lzma::CompressArg") == false) {
+                       _config->Set("APT::Compressor::lzma::CompressArg::", "--format=lzma");
+                       _config->Set("APT::Compressor::lzma::CompressArg::", "-9");
+               }
+               if (_config->Exists("APT::Compressor::lzma::UncompressArg") == false) {
+                       _config->Set("APT::Compressor::lzma::UncompressArg::", "--format=lzma");
+                       _config->Set("APT::Compressor::lzma::UncompressArg::", "-d");
+               }
+       } else {
+               _config->CndSet("Dir::Bin::lzma", "/usr/bin/lzma");
+               if (_config->Exists("APT::Compressor::lzma::CompressArg") == false) {
+                       _config->Set("APT::Compressor::lzma::CompressArg::", "--suffix=");
+                       _config->Set("APT::Compressor::lzma::CompressArg::", "-9");
+               }
+               if (_config->Exists("APT::Compressor::lzma::UncompressArg") == false) {
+                       _config->Set("APT::Compressor::lzma::UncompressArg::", "--suffix=");
+                       _config->Set("APT::Compressor::lzma::UncompressArg::", "-d");
+               }
+       }
+}
+                                                                       /*}}}*/

 // getCompressionTypes - Return Vector of usable compressiontypes      /*{{{*/
 // ---------------------------------------------------------------------
 /* return a vector of compression types in the preferred order. */
 // getCompressionTypes - Return Vector of usable compressiontypes      /*{{{*/
 // ---------------------------------------------------------------------
 /* return a vector of compression types in the preferred order. */


@@ -41,8 +75,8 @@ const Configuration::getCompressionTypes(bool const &Cached) {
        }
 
        // setup the defaults for the compressiontypes => method mapping
        }
 
        // setup the defaults for the compressiontypes => method mapping

-       _config->CndSet("Acquire::CompressionTypes::bz2","bzip2");

        _config->CndSet("Acquire::CompressionTypes::xz","xz");
        _config->CndSet("Acquire::CompressionTypes::xz","xz");

+       _config->CndSet("Acquire::CompressionTypes::bz2","bzip2");

        _config->CndSet("Acquire::CompressionTypes::lzma","lzma");
        _config->CndSet("Acquire::CompressionTypes::gz","gzip");
 
        _config->CndSet("Acquire::CompressionTypes::lzma","lzma");
        _config->CndSet("Acquire::CompressionTypes::gz","gzip");
 


@@ -61,11 +95,9 @@ const Configuration::getCompressionTypes(bool const &Cached) {
                        continue;
                // ignore types we have no app ready to use
                std::string const app = _config->Find(method);
                        continue;
                // ignore types we have no app ready to use
                std::string const app = _config->Find(method);

-               std::vector<APT::Configuration::Compressor>::const_iterator c = compressors.begin();
-               for (; c != compressors.end(); ++c)
-                       if (c->Name == app)
-                               break;
-               if (c == compressors.end())
+               if (std::find_if(compressors.begin(), compressors.end(), [&app](APT::Configuration::Compressor const &c) {
+                               return c.Name == app;
+                       }) == compressors.end())

                        continue;
                types.push_back(*o);
        }
                        continue;
                types.push_back(*o);
        }


@@ -82,11 +114,9 @@ const Configuration::getCompressionTypes(bool const &Cached) {
                if (std::find(types.begin(),types.end(),Types->Tag) != types.end())
                        continue;
                // ignore types we have no app ready to use
                if (std::find(types.begin(),types.end(),Types->Tag) != types.end())
                        continue;
                // ignore types we have no app ready to use

-               std::vector<APT::Configuration::Compressor>::const_iterator c = compressors.begin();
-               for (; c != compressors.end(); ++c)
-                       if (c->Name == Types->Value)
-                               break;
-               if (c == compressors.end())
+               if (std::find_if(compressors.begin(), compressors.end(), [&Types](APT::Configuration::Compressor const &c) {
+                               return c.Name == Types->Value;
+                       }) == compressors.end())

                        continue;
                types.push_back(Types->Tag);
        }
                        continue;
                types.push_back(Types->Tag);
        }


@@ -188,7 +218,7 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
        // get the environment language codes: LC_MESSAGES (and later LANGUAGE)
        // we extract both, a long and a short code and then we will
        // check if we actually need both (rare) or if the short is enough
        // get the environment language codes: LC_MESSAGES (and later LANGUAGE)
        // we extract both, a long and a short code and then we will
        // check if we actually need both (rare) or if the short is enough

-       string const envMsg = string(Locale == 0 ? std::setlocale(LC_MESSAGES, NULL) : *Locale);
+       string const envMsg = string(Locale == 0 ? ::setlocale(LC_MESSAGES, NULL) : *Locale);

        size_t const lenShort = (envMsg.find('_') != string::npos) ? envMsg.find('_') : 2;
        size_t const lenLong = (envMsg.find_first_of(".@") != string::npos) ? envMsg.find_first_of(".@") : (lenShort + 3);
 
        size_t const lenShort = (envMsg.find('_') != string::npos) ? envMsg.find('_') : 2;
        size_t const lenLong = (envMsg.find_first_of(".@") != string::npos) ? envMsg.find_first_of(".@") : (lenShort + 3);
 


@@ -270,7 +300,7 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
 }
                                                                        /*}}}*/
 // checkLanguage - are we interested in the given Language?            /*{{{*/
 }
                                                                        /*}}}*/
 // checkLanguage - are we interested in the given Language?            /*{{{*/

-bool const Configuration::checkLanguage(std::string Lang, bool const All) {
+bool Configuration::checkLanguage(std::string Lang, bool const All) {

        // the empty Language is always interesting as it is the original
        if (Lang.empty() == true)
                return true;
        // the empty Language is always interesting as it is the original
        if (Lang.empty() == true)
                return true;


@@ -291,87 +321,8 @@ std::vector<std::string> const Configuration::getArchitectures(bool const &Cache
        string const arch = _config->Find("APT::Architecture");
        archs = _config->FindVector("APT::Architectures");
 
        string const arch = _config->Find("APT::Architecture");
        archs = _config->FindVector("APT::Architectures");
 

-       if (unlikely(arch.empty() == true))
-               return archs;
-
-       // FIXME: It is a bit unclean to have debian specific code here…
-       if (archs.empty() == true) {
-               archs.push_back(arch);
-
-               // Generate the base argument list for dpkg
-               std::vector<const char *> Args;
-               string Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
-               {
-                       string const dpkgChrootDir = _config->FindDir("DPkg::Chroot-Directory", "/");
-                       size_t dpkgChrootLen = dpkgChrootDir.length();
-                       if (dpkgChrootDir != "/" && Tmp.find(dpkgChrootDir) == 0) {
-                               if (dpkgChrootDir[dpkgChrootLen - 1] == '/')
-                                       --dpkgChrootLen;
-                               Tmp = Tmp.substr(dpkgChrootLen);
-                       }
-               }
-               Args.push_back(Tmp.c_str());
-
-               // Stick in any custom dpkg options
-               ::Configuration::Item const *Opts = _config->Tree("DPkg::Options");
-               if (Opts != 0) {
-                       Opts = Opts->Child;
-                       for (; Opts != 0; Opts = Opts->Next)
-                       {
-                               if (Opts->Value.empty() == true)
-                                       continue;
-                               Args.push_back(Opts->Value.c_str());
-                       }
-               }
-
-               Args.push_back("--print-foreign-architectures");
-               Args.push_back(NULL);
-
-               int external[2] = {-1, -1};
-               if (pipe(external) != 0)
-               {
-                       _error->WarningE("getArchitecture", "Can't create IPC pipe for dpkg --print-foreign-architectures");
-                       return archs;
-               }
-
-               pid_t dpkgMultiArch = ExecFork();
-               if (dpkgMultiArch == 0) {
-                       close(external[0]);
-                       std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
-                       int const nullfd = open("/dev/null", O_RDONLY);
-                       dup2(nullfd, STDIN_FILENO);
-                       dup2(external[1], STDOUT_FILENO);
-                       dup2(nullfd, STDERR_FILENO);
-                       if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0)
-                               _error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --print-foreign-architectures", chrootDir.c_str());
-                       execvp(Args[0], (char**) &Args[0]);
-                       _error->WarningE("getArchitecture", "Can't detect foreign architectures supported by dpkg!");
-                       _exit(100);
-               }
-               close(external[1]);
-
-               FILE *dpkg = fdopen(external[0], "r");
-               if(dpkg != NULL) {
-                       char buf[1024];
-                       while (fgets(buf, sizeof(buf), dpkg) != NULL) {
-                               char* arch = strtok(buf, " ");
-                               while (arch != NULL) {
-                                       for (; isspace(*arch) != 0; ++arch);
-                                       if (arch[0] != '\0') {
-                                               char const* archend = arch;
-                                               for (; isspace(*archend) == 0 && *archend != '\0'; ++archend);
-                                               string a(arch, (archend - arch));
-                                               if (std::find(archs.begin(), archs.end(), a) == archs.end())
-                                                       archs.push_back(a);
-                                       }
-                                       arch = strtok(NULL, " ");
-                               }
-                       }
-                       fclose(dpkg);
-               }
-               ExecWait(dpkgMultiArch, "dpkg --print-foreign-architectures", true);
-               return archs;
-       }
+       if (archs.empty() == true)
+          archs = _system->ArchitecturesSupported();

 
        if (archs.empty() == true ||
            std::find(archs.begin(), archs.end(), arch) == archs.end())
 
        if (archs.empty() == true ||
            std::find(archs.begin(), archs.end(), arch) == archs.end())


@@ -390,42 +341,13 @@ std::vector<std::string> const Configuration::getArchitectures(bool const &Cache
 }
                                                                        /*}}}*/
 // checkArchitecture - are we interested in the given Architecture?    /*{{{*/
 }
                                                                        /*}}}*/
 // checkArchitecture - are we interested in the given Architecture?    /*{{{*/

-bool const Configuration::checkArchitecture(std::string const &Arch) {
+bool Configuration::checkArchitecture(std::string const &Arch) {

        if (Arch == "all")
                return true;
        std::vector<std::string> const archs = getArchitectures(true);
        return (std::find(archs.begin(), archs.end(), Arch) != archs.end());
 }
                                                                        /*}}}*/
        if (Arch == "all")
                return true;
        std::vector<std::string> const archs = getArchitectures(true);
        return (std::find(archs.begin(), archs.end(), Arch) != archs.end());
 }
                                                                        /*}}}*/

-// setDefaultConfigurationForCompressors                               /*{{{*/
-void Configuration::setDefaultConfigurationForCompressors() {
-       // Set default application paths to check for optional compression types
-       _config->CndSet("Dir::Bin::bzip2", "/bin/bzip2");
-       _config->CndSet("Dir::Bin::xz", "/usr/bin/xz");
-       if (FileExists(_config->FindFile("Dir::Bin::xz")) == true) {
-               _config->Set("Dir::Bin::lzma", _config->FindFile("Dir::Bin::xz"));
-               _config->Set("APT::Compressor::lzma::Binary", "xz");
-               if (_config->Exists("APT::Compressor::lzma::CompressArg") == false) {
-                       _config->Set("APT::Compressor::lzma::CompressArg::", "--format=lzma");
-                       _config->Set("APT::Compressor::lzma::CompressArg::", "-9");
-               }
-               if (_config->Exists("APT::Compressor::lzma::UncompressArg") == false) {
-                       _config->Set("APT::Compressor::lzma::UncompressArg::", "--format=lzma");
-                       _config->Set("APT::Compressor::lzma::UncompressArg::", "-d");
-               }
-       } else {
-               _config->CndSet("Dir::Bin::lzma", "/usr/bin/lzma");
-               if (_config->Exists("APT::Compressor::lzma::CompressArg") == false) {
-                       _config->Set("APT::Compressor::lzma::CompressArg::", "--suffix=");
-                       _config->Set("APT::Compressor::lzma::CompressArg::", "-9");
-               }
-               if (_config->Exists("APT::Compressor::lzma::UncompressArg") == false) {
-                       _config->Set("APT::Compressor::lzma::UncompressArg::", "--suffix=");
-                       _config->Set("APT::Compressor::lzma::UncompressArg::", "-d");
-               }
-       }
-}
-                                                                       /*}}}*/

 // getCompressors - Return Vector of usealbe compressors               /*{{{*/
 // ---------------------------------------------------------------------
 /* return a vector of compressors used by apt-ftparchive in the
 // getCompressors - Return Vector of usealbe compressors               /*{{{*/
 // ---------------------------------------------------------------------
 /* return a vector of compressors used by apt-ftparchive in the


@@ -448,22 +370,30 @@ const Configuration::getCompressors(bool const Cached) {
 #ifdef HAVE_ZLIB
        else
                compressors.push_back(Compressor("gzip",".gz","false", NULL, NULL, 2));
 #ifdef HAVE_ZLIB
        else
                compressors.push_back(Compressor("gzip",".gz","false", NULL, NULL, 2));

+#endif
+       if (_config->Exists("Dir::Bin::xz") == false || FileExists(_config->FindFile("Dir::Bin::xz")) == true)
+               compressors.push_back(Compressor("xz",".xz","xz","-6","-d",3));
+#ifdef HAVE_LZMA
+       else
+               compressors.push_back(Compressor("xz",".xz","false", NULL, NULL, 3));

 #endif
        if (_config->Exists("Dir::Bin::bzip2") == false || FileExists(_config->FindFile("Dir::Bin::bzip2")) == true)
 #endif
        if (_config->Exists("Dir::Bin::bzip2") == false || FileExists(_config->FindFile("Dir::Bin::bzip2")) == true)

-               compressors.push_back(Compressor("bzip2",".bz2","bzip2","-9","-d",3));
+               compressors.push_back(Compressor("bzip2",".bz2","bzip2","-9","-d",4));

 #ifdef HAVE_BZ2
        else
 #ifdef HAVE_BZ2
        else

-               compressors.push_back(Compressor("bzip2",".bz2","false", NULL, NULL, 3));
+               compressors.push_back(Compressor("bzip2",".bz2","false", NULL, NULL, 4));

 #endif
 #endif

-       if (_config->Exists("Dir::Bin::xz") == false || FileExists(_config->FindFile("Dir::Bin::xz")) == true)
-               compressors.push_back(Compressor("xz",".xz","xz","-6","-d",4));

        if (_config->Exists("Dir::Bin::lzma") == false || FileExists(_config->FindFile("Dir::Bin::lzma")) == true)
                compressors.push_back(Compressor("lzma",".lzma","lzma","-9","-d",5));
        if (_config->Exists("Dir::Bin::lzma") == false || FileExists(_config->FindFile("Dir::Bin::lzma")) == true)
                compressors.push_back(Compressor("lzma",".lzma","lzma","-9","-d",5));

+#ifdef HAVE_LZMA
+       else
+               compressors.push_back(Compressor("lzma",".lzma","false", NULL, NULL, 5));
+#endif

 
        std::vector<std::string> const comp = _config->FindVector("APT::Compressor");
        for (std::vector<std::string>::const_iterator c = comp.begin();
             c != comp.end(); ++c) {
 
        std::vector<std::string> const comp = _config->FindVector("APT::Compressor");
        for (std::vector<std::string>::const_iterator c = comp.begin();
             c != comp.end(); ++c) {

-               if (*c == "." || *c == "gzip" || *c == "bzip2" || *c == "lzma" || *c == "xz")
+               if (c->empty() || *c == "." || *c == "gzip" || *c == "bzip2" || *c == "lzma" || *c == "xz")

                        continue;
                compressors.push_back(Compressor(c->c_str(), std::string(".").append(*c).c_str(), c->c_str(), "-9", "-d", 100));
        }
                        continue;
                compressors.push_back(Compressor(c->c_str(), std::string(".").append(*c).c_str(), c->c_str(), "-9", "-d", 100));
        }


@@ -527,7 +457,7 @@ std::string const Configuration::getBuildProfilesString() {
                return "";
        std::vector<std::string>::const_iterator p = profiles.begin();
        std::string list = *p;
                return "";
        std::vector<std::string>::const_iterator p = profiles.begin();
        std::string list = *p;

-       for (; p != profiles.end(); ++p)
+       for (++p; p != profiles.end(); ++p)

           list.append(",").append(*p);
        return list;
 }
           list.append(",").append(*p);
        return list;
 }