Re: Memory Leaks - Can you help me find them in ths snippet

From:
"Daniel T." <daniel_t@earthlink.net>
Newsgroups:
comp.lang.c++
Date:
Tue, 29 Jan 2008 11:10:46 -0500
Message-ID:
<daniel_t-F3F045.11104629012008@earthlink.vsrv-sjc.supernews.net>
"nmehring@gmail.com" <nmehring@gmail.com> wrote:

Thank you, I will correct that additional leak if i>0

The reason I am using these datatypes is because I am utilizing this
3rd party library method:

extern LONG SDEAPI SE_stream_update_row (SE_STREAM stream,
                                          const ACHAR *table,
                                          LONG *sde_row_id,
                                          SHORT num_columns,
                                          const ACHAR **columns);

So I figured I had to use the char data type.


Sorry, I thought you were using each column individually. i.e., I
thought the API was asking for char* and was being called multiple
times, not char** and called once.

However, I still recommend you use vectors rather than allocating the
memory yourself and hoping for the best.

Something like this would do nicely:

   vector< vector< char > >
                        block( lColumnCount, SE_QUALIFIED_COLUMN_LEN );

   for ( int i = 0; i < block.size(); ++i )
   {
      strcpy( &block[i].front(), CStringColumnName[i] );
   }

   vector< char* > columns( block.size() );
   for ( int i = 0; i != block.size(); ++i )
   {
      columns[i] = &block[i].front();
   }
   SE_stream_update_row( /* other params */, &columns[0] );

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