int
_iodbcdm_cfg_to_string (PCONFIG pconfig, char *section,
char *buf, size_t buf_sz)
{
BOOL atsection;
if (_iodbcdm_cfg_rewind (pconfig) == -1)
return -1;
atsection = FALSE;
buf[0] = '\0';
while (_iodbcdm_cfg_nextentry (pconfig) == 0)
{
if (atsection)
{
if (_iodbcdm_cfg_section (pconfig))
break;
else if (_iodbcdm_cfg_define (pconfig))
{
if (buf[0] != '\0')
CATBUF (buf, ";", buf_sz);
CATBUF (buf, pconfig->id, buf_sz);
CATBUF (buf, "=", buf_sz);
CATBUF (buf, pconfig->value, buf_sz);
}
}
else if (_iodbcdm_cfg_section (pconfig) &&
!strcasecmp (pconfig->section, section))
atsection = TRUE;
}
return 0;
}
int
_iodbcdm_list_entries (PCONFIG pCfg, LPCSTR lpszSection, LPSTR lpszRetBuffer, int cbRetBuffer)
{
int curr = 0, sect_len = 0;
lpszRetBuffer[0] = 0;
if (!_iodbcdm_cfg_find (pCfg, (char*)lpszSection, NULL))
{
while (curr < cbRetBuffer && 0 == _iodbcdm_cfg_nextentry (pCfg))
{
if (_iodbcdm_cfg_section (pCfg))
break;
if (_iodbcdm_cfg_define (pCfg) && pCfg->id)
{
sect_len = strlen (pCfg->id) + 1;
sect_len =
sect_len >
cbRetBuffer - curr ? cbRetBuffer - curr : sect_len;
memmove (lpszRetBuffer + curr, pCfg->id, sect_len);
curr += sect_len;
}
}
if (curr < cbRetBuffer)
lpszRetBuffer[curr] = 0;
return curr;
}
return 0;
}
int
_iodbcdm_cfg_next_section(PCONFIG pconfig)
{
do
if (0 != _iodbcdm_cfg_nextentry (pconfig))
return -1;
while (!_iodbcdm_cfg_section (pconfig));
return 0;
}
int
_iodbcdm_cfg_find (PCONFIG pconfig, char *section, char *id)
{
int atsection;
if (!_iodbcdm_cfg_valid (pconfig) || _iodbcdm_cfg_rewind (pconfig))
return -1;
atsection = 0;
while (_iodbcdm_cfg_nextentry (pconfig) == 0)
{
if (atsection)
{
if (_iodbcdm_cfg_section (pconfig))
return -1;
else if (_iodbcdm_cfg_define (pconfig))
{
char *szId = _iodbcdm_remove_quotes (pconfig->id);
int bSame;
if (szId)
{
bSame = !strcasecmp (szId, id);
free (szId);
if (bSame)
return 0;
}
}
}
else if (_iodbcdm_cfg_section (pconfig)
&& !strcasecmp (pconfig->section, section))
{
if (id == NULL)
return 0;
atsection = 1;
}
}
return -1;
}
BOOL
GetAvailableDrivers (LPCSTR lpszInfFile, LPSTR lpszBuf, WORD cbBufMax,
WORD * pcbBufOut, BOOL infFile)
{
int sect_len = 0;
WORD curr = 0;
BOOL retcode = FALSE;
PCONFIG pCfg;
char *szId;
if (!lpszBuf || !cbBufMax)
{
PUSH_ERROR (ODBC_ERROR_INVALID_BUFF_LEN);
goto quit;
}
/* Open the file to read from */
if (_iodbcdm_cfg_init (&pCfg, lpszInfFile, FALSE))
{
PUSH_ERROR (ODBC_ERROR_COMPONENT_NOT_FOUND);
goto quit;
}
/* Get the ODBC Drivers section */
#ifdef WIN32
if (_iodbcdm_cfg_find (pCfg, "ODBC 32 bit Drivers", NULL))
#else
if (_iodbcdm_cfg_find (pCfg, "ODBC Drivers", NULL))
#endif
{
PUSH_ERROR (ODBC_ERROR_COMPONENT_NOT_FOUND);
goto done;
}
while (curr < cbBufMax && 0 == _iodbcdm_cfg_nextentry (pCfg))
{
if (_iodbcdm_cfg_section (pCfg))
break;
if (_iodbcdm_cfg_define (pCfg) && pCfg->id)
{
szId = pCfg->id;
while (infFile && *szId == '"')
szId++;
sect_len = STRLEN (szId);
if (!sect_len)
{
PUSH_ERROR (ODBC_ERROR_INVALID_INF);
goto done;
}
while (infFile && *(szId + sect_len - 1) == '"')
sect_len -= 1;
sect_len = sect_len > cbBufMax - curr ? cbBufMax - curr : sect_len;
if (sect_len)
memmove (lpszBuf + curr, szId, sect_len);
else
{
PUSH_ERROR (ODBC_ERROR_INVALID_INF);
goto done;
}
curr += sect_len;
lpszBuf[curr++] = 0;
}
}
if (curr < cbBufMax)
lpszBuf[curr + 1] = 0;
if (pcbBufOut)
*pcbBufOut = curr;
retcode = TRUE;
done:
_iodbcdm_cfg_done (pCfg);
quit:
return retcode;
}
