X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/1b8ba3ba050f01db27f1ddc0e5b280b2fccd9fb9..2d555a8205eccc4cb17b93f7c92b71a854e8f82e:/apt-pkg/contrib/fileutl.cc

diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 2a3b8a87d..f4ab066d7 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -251,6 +251,27 @@ bool CreateDirectory(string const &Parent, string const &Path)
    return true;
 }
 									/*}}}*/
+// CreateAPTDirectoryIfNeeded - ensure that the given directory exists		/*{{{*/
+// ---------------------------------------------------------------------
+/* a small wrapper around CreateDirectory to check if it exists and to
+   remove the trailing "/apt/" from the parent directory if needed */
+bool CreateAPTDirectoryIfNeeded(string const &Parent, string const &Path)
+{
+   if (DirectoryExists(Path) == true)
+      return true;
+
+   size_t const len = Parent.size();
+   if (len > 5 && Parent.find("/apt/", len - 6, 5) == len - 5)
+   {
+      if (CreateDirectory(Parent.substr(0,len-5), Path) == true)
+	 return true;
+   }
+   else if (CreateDirectory(Parent, Path) == true)
+      return true;
+
+   return false;
+}
+									/*}}}*/
 // GetListOfFilesInDir - returns a vector of files in the given dir	/*{{{*/
 // ---------------------------------------------------------------------
 /* If an extension is given only files with this extension are included
@@ -309,7 +330,8 @@ std::vector<string> GetListOfFilesInDir(string const &Dir, std::vector<string> c
 	    {
 	       if (Debug == true)
 		  std::clog << "Bad file: " << Ent->d_name << " → no extension" << std::endl;
-	       _error->Notice("Ignoring file '%s' in directory '%s' as it has no filename extension", Ent->d_name, Dir.c_str());
+	       if (SilentIgnore.Match(Ent->d_name) == false)
+		  _error->Notice("Ignoring file '%s' in directory '%s' as it has no filename extension", Ent->d_name, Dir.c_str());
 	       continue;
 	    }
 	 }
@@ -669,7 +691,7 @@ bool FileFd::Open(string FileName,OpenMode Mode, unsigned long Perms)
       }
       break;
       
-      case WriteEmpty:
+      case WriteAtomic:
       {
 	 Flags |= Replace;
 	 char *name = strdup((FileName + ".XXXXXX").c_str());
@@ -678,6 +700,15 @@ bool FileFd::Open(string FileName,OpenMode Mode, unsigned long Perms)
 	 free(name);
 	 break;
       }
+
+      case WriteEmpty:
+      {
+      	 struct stat Buf;
+	 if (lstat(FileName.c_str(),&Buf) == 0 && S_ISLNK(Buf.st_mode))
+	    unlink(FileName.c_str());
+	 iFd = open(FileName.c_str(),O_RDWR | O_CREAT | O_TRUNC,Perms);
+	 break;
+      }
       
       case WriteExists:
       iFd = open(FileName.c_str(),O_RDWR);
@@ -879,18 +910,48 @@ unsigned long FileFd::Tell()
    return Res;
 }
 									/*}}}*/
-// FileFd::Size - Return the size of the file				/*{{{*/
+// FileFd::FileSize - Return the size of the file			/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-unsigned long FileFd::Size()
+unsigned long FileFd::FileSize()
 {
-   //TODO: For gz, do we need the actual file size here or the uncompressed length?
    struct stat Buf;
+
    if (fstat(iFd,&Buf) != 0)
       return _error->Errno("fstat","Unable to determine the file size");
    return Buf.st_size;
 }
 									/*}}}*/
+// FileFd::Size - Return the size of the content in the file		/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+unsigned long FileFd::Size()
+{
+   unsigned long size = FileSize();
+
+   // only check gzsize if we are actually a gzip file, just checking for
+   // "gz" is not sufficient as uncompressed files will be opened with
+   // gzopen in "direct" mode as well
+   if (gz && !gzdirect(gz) && size > 0)
+   {
+       /* unfortunately zlib.h doesn't provide a gzsize(), so we have to do
+	* this ourselves; the original (uncompressed) file size is the last 32
+	* bits of the file */
+       off_t orig_pos = lseek(iFd, 0, SEEK_CUR);
+       if (lseek(iFd, -4, SEEK_END) < 0)
+	   return _error->Errno("lseek","Unable to seek to end of gzipped file");
+       if (read(iFd, &size, 4) != 4)
+	   return _error->Errno("read","Unable to read original size of gzipped file");
+       size &= 0xFFFFFFFF;
+
+       if (lseek(iFd, orig_pos, SEEK_SET) < 0)
+	   return _error->Errno("lseek","Unable to seek in gzipped file");
+       return size;
+   }
+
+   return size;
+}
+									/*}}}*/
 // FileFd::Close - Close the file if the close flag is set		/*{{{*/
 // ---------------------------------------------------------------------
 /* */