fix various -Wall warnings

2 files changed, 5 insertions, 3 deletions

diff --git a/apt-pkg/contrib/cdromutl.cc b/apt-pkg/contrib/cdromutl.cc
index 6f00e1451..b6524a178 100644
--- a/apt-pkg/contrib/cdromutl.cc
+++ b/apt-pkg/contrib/cdromutl.cc
@@ -176,7 +176,8 @@ bool IdentCdrom(string CD,string &Res,unsigned int Version)
       Hash.Add(Dir->d_name);
    };
    
-   chdir(StartDir.c_str());
+   if (chdir(StartDir.c_str()) != 0)
+      return _error->Errno("chdir",_("Unable to change to %s"),StartDir.c_str());
    closedir(D);
    
    // Some stats from the fsys
diff --git a/apt-pkg/contrib/mmap.cc b/apt-pkg/contrib/mmap.cc
index abcae46fe..eed438250 100644
--- a/apt-pkg/contrib/mmap.cc
+++ b/apt-pkg/contrib/mmap.cc
@@ -192,7 +192,8 @@ DynamicMMap::~DynamicMMap()
    unsigned long EndOfFile = iSize;
    iSize = WorkSpace;
    Close(false);
-   ftruncate(Fd->Fd(),EndOfFile);
+   if(ftruncate(Fd->Fd(),EndOfFile) < 0)
+      _error->Errno("ftruncate", _("Failed to truncate file"));
 }  
 									/*}}}*/
 // DynamicMMap::RawAllocate - Allocate a raw chunk of unaligned space	/*{{{*/
@@ -209,7 +210,7 @@ unsigned long DynamicMMap::RawAllocate(unsigned long Size,unsigned long Aln)
    // Just in case error check
    if (Result + Size > WorkSpace)
    {
-      _error->Error("Dynamic MMap ran out of room");
+      _error->Error(_("Dynamic MMap ran out of room"));
       return 0;
    }