gpgv: Use buffered writes for splitting clearsigned files

This is safe here, as the code ensures that the file is flushed
before it is being used. The next series should probably make
GetTempFile() buffer writes by default.

1 files changed, 5 insertions, 1 deletions

diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 8cb4b509c..0c0cb05ea 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -3107,6 +3107,10 @@ std::string GetTempDir(std::string const &User)
 									/*}}}*/
 FileFd* GetTempFile(std::string const &Prefix, bool ImmediateUnlink, FileFd * const TmpFd)	/*{{{*/
 {
+   return GetTempFile(Prefix, ImmediateUnlink, TmpFd, false);
+}
+FileFd* GetTempFile(std::string const &Prefix, bool ImmediateUnlink, FileFd * const TmpFd, bool Buffered)
+{
    char fn[512];
    FileFd * const Fd = TmpFd == nullptr ? new FileFd() : TmpFd;
 
@@ -3123,7 +3127,7 @@ FileFd* GetTempFile(std::string const &Prefix, bool ImmediateUnlink, FileFd * co
 	 delete Fd;
       return nullptr;
    }
-   if (!Fd->OpenDescriptor(fd, FileFd::ReadWrite, FileFd::None, true))
+   if (!Fd->OpenDescriptor(fd, FileFd::ReadWrite | (Buffered ? FileFd::BufferedWrite : 0), FileFd::None, true))
    {
       _error->Errno("GetTempFile",_("Unable to write to %s"),fn);
       if (TmpFd == nullptr)