fix gcc warnings

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

diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index e68c2ca345be55f4bbef382b27b081100868d6f1..8295a7c1ef7b0452c1a70297a074b2d7e91bbb45 100644 (file)
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -399,10 +399,14 @@ bool pkgDPkgPM::SendPkgsInfo(FILE * const F, unsigned int const &Version)
    that are due to be installed. */
 bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
 {
+   bool result = true;
+
    Configuration::Item const *Opts = _config->Tree(Cnf);
    if (Opts == 0 || Opts->Child == 0)
       return true;
    Opts = Opts->Child;
+
+   sighandler_t old_sigpipe = signal(SIGPIPE, SIG_IGN);
    
    unsigned int Count = 1;
    for (; Opts != 0; Opts = Opts->Next, Count++)
@@ -428,8 +432,10 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
       std::set<int> KeepFDs;
       MergeKeepFdsFromConfiguration(KeepFDs);
       int Pipes[2];
-      if (pipe(Pipes) != 0)
-        return _error->Errno("pipe","Failed to create IPC pipe to subprocess");
+      if (pipe(Pipes) != 0) {
+         result = _error->Errno("pipe","Failed to create IPC pipe to subprocess");
+         break;
+      }
       if (InfoFD != (unsigned)Pipes[0])
         SetCloseExec(Pipes[0],true);
       else
@@ -463,8 +469,10 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
       }
       close(Pipes[0]);
       FILE *F = fdopen(Pipes[1],"w");
-      if (F == 0)
-        return _error->Errno("fdopen","Faild to open new FD");
+      if (F == 0) {
+         result = _error->Errno("fdopen","Faild to open new FD");
+         break;
+      }
       
       // Feed it the filenames.
       if (Version <= 1)
@@ -492,11 +500,14 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
       fclose(F);
       
       // Clean up the sub process
-      if (ExecWait(Process,Opts->Value.c_str()) == false)
-        return _error->Error("Failure running script %s",Opts->Value.c_str());
+      if (ExecWait(Process,Opts->Value.c_str()) == false) {
+        result = _error->Error("Failure running script %s",Opts->Value.c_str());
+         break;
+      }
    }
+   signal(SIGPIPE, old_sigpipe);
 
-   return true;
+   return result;
 }
                                                                        /*}}}*/
 // DPkgPM::DoStdin - Read stdin and pass to slave pty                  /*{{{*/
@@ -506,7 +517,7 @@ 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
@@ -610,15 +621,15 @@ void pkgDPkgPM::ProcessDpkgStatusLine(char *line)
    {
       if(action == "error")
       {
-         d->progress->Error(list[1], PackagesDone, PackagesTotal,
+         d->progress->Error(pkgname, PackagesDone, PackagesTotal,
                             list[3]);
          pkgFailures++;
-         WriteApportReport(list[1].c_str(), list[3].c_str());
+         WriteApportReport(pkgname.c_str(), list[3].c_str());
          return;
       }
       else if(action == "conffile-prompt")
       {
-         d->progress->ConffilePrompt(list[1], PackagesDone, PackagesTotal,
+         d->progress->ConffilePrompt(pkgname, PackagesDone, PackagesTotal,
                                      list[3]);
          return;
       }
@@ -1020,7 +1031,6 @@ void pkgDPkgPM::BuildPackagesProgressMap()
    }
 }
                                                                         /*}}}*/
-#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR < 13)
 bool pkgDPkgPM::Go(int StatusFd)
 {
    APT::Progress::PackageManager *progress = NULL;
@@ -1029,9 +1039,8 @@ bool pkgDPkgPM::Go(int StatusFd)
    else
       progress = new APT::Progress::PackageManagerProgressFd(StatusFd);
    
-   return GoNoABIBreak(progress);
+   return Go(progress);
 }
-#endif
 
 void pkgDPkgPM::StartPtyMagic()
 {
@@ -1042,14 +1051,15 @@ void pkgDPkgPM::StartPtyMagic()
    }
 
    // setup the pty and stuff
-   struct      winsize win;
+   struct winsize win;
 
-   // if tcgetattr does not return zero there was a error
-   // and we do not do any pty magic
+   // if tcgetattr for both stdin/stdout returns 0 (no error)
+   // we do the pty magic
    _error->PushToStack();
-   if (tcgetattr(STDOUT_FILENO, &d->tt) == 0)
+   if (tcgetattr(STDIN_FILENO, &d->tt) == 0 &&
+       tcgetattr(STDOUT_FILENO, &d->tt) == 0)
    {
-       if (ioctl(1, TIOCGWINSZ, (char *)&win) < 0)
+       if (ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&win) < 0)
        {
            _error->Errno("ioctl", _("ioctl(TIOCGWINSZ) failed"));
        } else if (openpty(&d->master, &d->slave, NULL, &d->tt, &win) < 0)
@@ -1102,11 +1112,7 @@ 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;
@@ -1426,7 +1432,8 @@ bool pkgDPkgPM::GoNoABIBreak(APT::Progress::PackageManager *progress)
 
         if (_config->FindB("DPkg::FlushSTDIN",true) == true && isatty(STDIN_FILENO))
         {
-           int Flags,dummy;
+           int Flags;
+            int dummy = 0;
            if ((Flags = fcntl(STDIN_FILENO,F_GETFL,dummy)) < 0)
               _exit(100);
            
@@ -1606,7 +1613,7 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg)
    string::size_type pos;
    FILE *report;
 
-   if (_config->FindB("Dpkg::ApportFailureReport", false) == false)
+   if (_config->FindB("Dpkg::ApportFailureReport", true) == false)
    {
       std::clog << "configured to not write apport reports" << std::endl;
       return;
@@ -1655,9 +1662,10 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg)
    // do not report dpkg I/O errors, this is a format string, so we compare
    // the prefix and the suffix of the error with the dpkg error message
    vector<string> io_errors;
-   io_errors.push_back(string("failed to read on buffer copy for %s"));
-   io_errors.push_back(string("failed in write on buffer copy for %s"));
-   io_errors.push_back(string("short read on buffer copy for %s"));
+   io_errors.push_back(string("failed to read"));
+   io_errors.push_back(string("failed to write"));
+   io_errors.push_back(string("failed to seek"));
+   io_errors.push_back(string("unexpected end of file or stream"));
 
    for (vector<string>::iterator I = io_errors.begin(); I != io_errors.end(); ++I)
    {