fix off-by-one error and do not use magic constant of 100 when checking StackPost

[apt.git] / apt-inst / dirstream.cc

diff --git a/apt-inst/dirstream.cc b/apt-inst/dirstream.cc
index a8a4d9c0d628187d46ad51a827da9c8cc1eb0f57..65d1aa188a6b3080fa7e8c3177d53ff0e6c124ba 100644 (file)
--- a/apt-inst/dirstream.cc
+++ b/apt-inst/dirstream.cc
@@ -11,9 +11,7 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/dirstream.h"
-#endif
+#include<config.h>
 
 #include <apt-pkg/dirstream.h>
 #include <apt-pkg/error.h>
@@ -42,16 +40,20 @@ bool pkgDirStream::DoItem(Item &Itm,int &Fd)
         int iFd = open(Itm.Name,O_NDELAY|O_WRONLY|O_CREAT|O_TRUNC|O_APPEND,
                       Itm.Mode);
         if (iFd < 0)
-           return _error->Errno("open",_("Failed write file %s"),
+           return _error->Errno("open",_("Failed to write file %s"),
                                 Itm.Name);
         
         // fchmod deals with umask and fchown sets the ownership
         if (fchmod(iFd,Itm.Mode) != 0)
-           return _error->Errno("fchmod",_("Failed write file %s"),
-                                Itm.Name);
+        {
+           close(iFd);
+           return _error->Errno("fchmod",_("Failed to write file %s"), Itm.Name);
+        }
         if (fchown(iFd,Itm.UID,Itm.GID) != 0 && errno != EPERM)
-           return _error->Errno("fchown",_("Failed write file %s"),
-                                Itm.Name);
+        {
+           close(iFd);
+           return _error->Errno("fchown",_("Failed to write file %s"), Itm.Name);
+        }
         Fd = iFd;
         return true;
       }
@@ -61,6 +63,22 @@ bool pkgDirStream::DoItem(Item &Itm,int &Fd)
       case Item::CharDevice:
       case Item::BlockDevice:
       case Item::Directory:
+      {
+        struct stat Buf;
+        // check if the dir is already there, if so return true
+        if (stat(Itm.Name,&Buf) == 0)
+        {
+           if(S_ISDIR(Buf.st_mode))
+              return true;
+           // something else is there already, return false
+           return false;
+        }
+        // nothing here, create the dir
+        if(mkdir(Itm.Name,Itm.Mode) < 0)
+           return false;
+        return true;
+        break;
+      }
       case Item::FIFO:
       break;
    }