Re: ESQL/C problem with freeing sqlda structure

Michael Kramer wrote: > ... > trying to free a sqlda structure allocated by Informix I get the > following exception: > > Debug assertion failed > File: dbgheap.c > Line: 1011 > Expression: _CrtIsValidHeapPointer(pUserData) that's just what I got sometime ago (with VC++ 4). It is caused by alloc() (in isqlt07c) and free() (in your app) using different memory management structures. Use 'SqlFreeMem' with FreeType 'SQLDA_FREE' for freeing Informix-allocated sqlda structures. Assume the following declarations (from the ESQL 5 header; they are missing in the ESQL 7 header, but nevertheless the function is in the library): extern void SqlFreeMem(void * MemAddr, int FreeType); /* defines for SqlFreeMem, FreeType */ #define CURSOR_FREE 1 #define STRING_FREE 2 #define SQLDA_FREE 3 #define CONN_FREE 4 -- Norbert Meier | Tel. : (+49) 5251 8-14926 Siemens Nixdorf AG, ASW C8 | EMail: meier.pad@sni.de 33094 Paderborn Germany