reimplement the last uses of sprintf

Working with strings c-style is complicated and error-prune,
so by converting to c++ style we gain some simplicity and
avoid buffer overflows by later extensions.

Git-Dch: Ignore

1 files changed, 3 insertions, 1 deletions

diff --git a/apt-private/acqprogress.h b/apt-private/acqprogress.h
index 71a10d78a..ab8170126 100644
--- a/apt-private/acqprogress.h
+++ b/apt-private/acqprogress.h
@@ -17,10 +17,12 @@
 class APT_PUBLIC AcqTextStatus : public pkgAcquireStatus
 {
    unsigned int &ScreenWidth;
-   char BlankLine[1024];
+   size_t LastLineLength;
    unsigned long ID;
    unsigned long Quiet;
 
+   void clearLastLine();
+
    public:
 
    virtual bool MediaChange(std::string Media,std::string Drive);