better non-virtual metaIndex.LocalFileName() implementation

[apt.git] / apt-pkg / deb / dpkgpm.cc

diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index 04a13a86c08288e0ba8b7f074218c353456a9cf4..0cded32e1f9e5bd93c73657eb589b5d6f98b4301 100644 (file)
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -55,6 +55,18 @@
 
 using namespace std;
 
+APT_PURE static unsigned int
+EnvironmentSize()
+{
+  unsigned int size = 0;
+  char **envp = environ;
+
+  while (*envp != NULL)
+    size += strlen (*envp++) + 1;
+
+  return size;
+}
+
 class pkgDPkgPMPrivate 
 {
 public:
@@ -517,7 +529,7 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
 void pkgDPkgPM::DoStdin(int master)
 {
    unsigned char input_buf[256] = {0,}; 
-   ssize_t len = read(0, input_buf, sizeof(input_buf));
+   ssize_t len = read(STDIN_FILENO, input_buf, sizeof(input_buf));
    if (len)
       FileFd::Write(master, input_buf, len);
    else
@@ -1034,7 +1046,6 @@ void pkgDPkgPM::BuildPackagesProgressMap()
    }
 }
                                                                         /*}}}*/
-#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR < 13)
 bool pkgDPkgPM::Go(int StatusFd)
 {
    APT::Progress::PackageManager *progress = NULL;
@@ -1043,9 +1054,8 @@ bool pkgDPkgPM::Go(int StatusFd)
    else
       progress = new APT::Progress::PackageManagerProgressFd(StatusFd);
    
-   return GoNoABIBreak(progress);
+   return Go(progress);
 }
-#endif
 
 void pkgDPkgPM::StartPtyMagic()
 {
@@ -1184,11 +1194,7 @@ void pkgDPkgPM::StopPtyMagic()
  * through to human readable (and i10n-able)
  * names and calculates a percentage for each step.
  */
-#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
 bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress)
-#else
-bool pkgDPkgPM::GoNoABIBreak(APT::Progress::PackageManager *progress)
-#endif
 {
    pkgPackageManager::SigINTStop = false;
    d->progress = progress;
@@ -1236,8 +1242,15 @@ bool pkgDPkgPM::GoNoABIBreak(APT::Progress::PackageManager *progress)
    fd_set rfds;
    struct timespec tv;
 
-   unsigned int const MaxArgs = _config->FindI("Dpkg::MaxArgs",8*1024);
-   unsigned int const MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes",32*1024);
+   // FIXME: do we really need this limit when we have MaxArgBytes?
+   unsigned int const MaxArgs = _config->FindI("Dpkg::MaxArgs",32*1024);
+
+   // try to figure out the max environment size
+   int OSArgMax = sysconf(_SC_ARG_MAX);
+   if(OSArgMax < 0)
+      OSArgMax = 32*1024;
+   OSArgMax -= EnvironmentSize() - 2*1024;
+   unsigned int const MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes", OSArgMax);
    bool const NoTriggers = _config->FindB("DPkg::NoTriggers", false);
 
    if (RunScripts("DPkg::Pre-Invoke") == false)
@@ -1760,11 +1773,6 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg)
    if (Ver.end() == true)
       return;
    pkgver = Ver.VerStr() == NULL ? "unknown" : Ver.VerStr();
-   pkgRecords Recs(Cache);
-   pkgRecords::Parser &Parse = Recs.Lookup(Ver.FileList());
-   srcpkgname = Parse.SourcePkg();
-   if(srcpkgname.empty())
-      srcpkgname = pkgname;
 
    // if the file exists already, we check:
    // - if it was reported already (touched by apport). 
@@ -1815,7 +1823,7 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg)
    time_t now = time(NULL);
    fprintf(report, "Date: %s" , ctime(&now));
    fprintf(report, "Package: %s %s\n", pkgname.c_str(), pkgver.c_str());
-   fprintf(report, "SourcePackage: %s\n", srcpkgname.c_str());
+   fprintf(report, "SourcePackage: %s\n", Ver.SourcePkgName());
    fprintf(report, "ErrorMessage:\n %s\n", errormsg);
 
    // ensure that the log is flushed