simplify code some more to make reddit happy

[apt.git] / apt-pkg / contrib / fileutl.cc

diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index ffb8b4b53cc628a6caba0dc36b3d3f6121094d6a..53628406445cdf42a5c911c0faf498e46ad87b94 100644 (file)
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -319,7 +319,7 @@ bool CreateDirectory(string const &Parent, string const &Path)
       return false;
 
    // we are not going to create directories "into the blue"
-   if (Path.find(Parent, 0) != 0)
+   if (Path.compare(0, Parent.length(), Parent) != 0)
       return false;
 
    vector<string> const dirs = VectorizeString(Path.substr(Parent.size()), '/');
@@ -1588,29 +1588,55 @@ unsigned long long FileFd::Tell()
    return Res;
 }
                                                                        /*}}}*/
-// FileFd::FileSize - Return the size of the file                      /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-unsigned long long FileFd::FileSize()
+static bool StatFileFd(char const * const msg, int const iFd, std::string const &FileName, struct stat &Buf, FileFdPrivate * const d) /*{{{*/
 {
-   struct stat Buf;
-   if ((d == NULL || d->pipe == false) && fstat(iFd,&Buf) != 0)
-      return FileFdErrno("fstat","Unable to determine the file size");
+   bool ispipe = (d != NULL && d->pipe == true);
+   if (ispipe == false)
+   {
+      if (fstat(iFd,&Buf) != 0)
+        // higher-level code will generate more meaningful messages,
+        // even translated this would be meaningless for users
+        return _error->Errno("fstat", "Unable to determine %s for fd %i", msg, iFd);
+      ispipe = S_ISFIFO(Buf.st_mode);
+   }
 
    // for compressor pipes st_size is undefined and at 'best' zero
-   if ((d != NULL && d->pipe == true) || S_ISFIFO(Buf.st_mode))
+   if (ispipe == true)
    {
       // we set it here, too, as we get the info here for free
       // in theory the Open-methods should take care of it already
       if (d != NULL)
         d->pipe = true;
       if (stat(FileName.c_str(), &Buf) != 0)
-        return FileFdErrno("stat","Unable to determine the file size");
+        return _error->Errno("fstat", "Unable to determine %s for file %s", msg, FileName.c_str());
+   }
+   return true;
+}
+                                                                       /*}}}*/
+// FileFd::FileSize - Return the size of the file                      /*{{{*/
+unsigned long long FileFd::FileSize()
+{
+   struct stat Buf;
+   if (StatFileFd("file size", iFd, FileName, Buf, d) == false)
+   {
+      Flags |= Fail;
+      return 0;
    }
-
    return Buf.st_size;
 }
                                                                        /*}}}*/
+// FileFd::ModificationTime - Return the time of last touch            /*{{{*/
+time_t FileFd::ModificationTime()
+{
+   struct stat Buf;
+   if (StatFileFd("modification time", iFd, FileName, Buf, d) == false)
+   {
+      Flags |= Fail;
+      return 0;
+   }
+   return Buf.st_mtime;
+}
+                                                                       /*}}}*/
 // FileFd::Size - Return the size of the content in the file           /*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -1682,35 +1708,6 @@ unsigned long long FileFd::Size()
    return size;
 }
                                                                        /*}}}*/
-// FileFd::ModificationTime - Return the time of last touch            /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-time_t FileFd::ModificationTime()
-{
-   struct stat Buf;
-   if ((d == NULL || d->pipe == false) && fstat(iFd,&Buf) != 0)
-   {
-      FileFdErrno("fstat","Unable to determine the modification time of file %s", FileName.c_str());
-      return 0;
-   }
-
-   // for compressor pipes st_size is undefined and at 'best' zero
-   if ((d != NULL && d->pipe == true) || S_ISFIFO(Buf.st_mode))
-   {
-      // we set it here, too, as we get the info here for free
-      // in theory the Open-methods should take care of it already
-      if (d != NULL)
-        d->pipe = true;
-      if (stat(FileName.c_str(), &Buf) != 0)
-      {
-        FileFdErrno("fstat","Unable to determine the modification time of file %s", FileName.c_str());
-        return 0;
-      }
-   }
-
-   return Buf.st_mtime;
-}
-                                                                       /*}}}*/
 // FileFd::Close - Close the file if the close flag is set             /*{{{*/
 // ---------------------------------------------------------------------
 /* */