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/*
* SQLGetProfileString.c
*
* $Id: SQLGetPrivateProfileString.c,v 1.1 2001/06/07 00:48:50 source Exp $
*
* The iODBC driver manager.
*
* Copyright (C) 2001 by OpenLink Software <iodbc@openlinksw.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <iodbc.h>
#include <iodbcinst.h>
#include "inifile.h"
#include "iodbc_error.h"
#include "misc.h"
#ifndef WIN32
int
GetPrivateProfileString (LPCSTR lpszSection, LPCSTR lpszEntry,
LPCSTR lpszDefault, LPSTR lpszRetBuffer, int cbRetBuffer,
LPCSTR lpszFilename)
{
char *defval = (char *) lpszDefault, *value = NULL;
int len = 0;
PCONFIG pCfg;
lpszRetBuffer[cbRetBuffer - 1] = 0;
/* If error during reading the file */
if (_iodbcdm_cfg_search_init (&pCfg, lpszFilename, FALSE))
{
PUSH_ERROR (ODBC_ERROR_INVALID_PATH);
goto fail;
}
/* List all sections from the ini file */
if (lpszSection == NULL || *lpszSection == '\0')
{
len = _iodbcdm_list_sections (pCfg, lpszRetBuffer, cbRetBuffer);
goto done;
}
/* List all the entries of the specified section */
if (lpszEntry == NULL || *lpszEntry == '\0')
{
len =
_iodbcdm_list_entries (pCfg, lpszSection, lpszRetBuffer,
cbRetBuffer);
goto done;
}
/*
* Sorry for this one -- Windows cannot handle a default value of
* "" in GetPrivateProfileString, so it is passed as " " instead.
*/
if (defval == NULL || *defval == '\0')
defval = " ";
/*
* Check whether someone else has modified the odbc.ini file
*/
_iodbcdm_cfg_refresh (pCfg);
if (!_iodbcdm_cfg_find (pCfg, (LPSTR) lpszSection, (LPSTR) lpszEntry))
value = pCfg->value;
if (value == NULL)
{
value = defval;
if (value[0] == ' ' && value[1] == '\0')
value = "";
}
STRNCPY (lpszRetBuffer, value, cbRetBuffer - 1);
done:
_iodbcdm_cfg_done (pCfg);
fail:
if (!len)
len = STRLEN (lpszRetBuffer);
if (len == cbRetBuffer - 1)
PUSH_ERROR (ODBC_ERROR_INVALID_BUFF_LEN);
return len;
}
#endif
int INSTAPI
SQLGetPrivateProfileString (LPCSTR lpszSection, LPCSTR lpszEntry,
LPCSTR lpszDefault, LPSTR lpszRetBuffer, int cbRetBuffer,
LPCSTR lpszFilename)
{
char pathbuf[1024];
int len = 0;
/* Check input parameters */
CLEAR_ERROR ();
if (!lpszRetBuffer || !cbRetBuffer)
{
PUSH_ERROR (ODBC_ERROR_INVALID_BUFF_LEN);
goto quit;
}
if (!lpszDefault)
{
PUSH_ERROR (ODBC_ERROR_GENERAL_ERR);
goto quit;
}
/* Else go through user/system odbc.ini */
switch (configMode)
{
case ODBC_USER_DSN:
wSystemDSN = USERDSN_ONLY;
if (lpszFilename)
{
len =
GetPrivateProfileString (lpszSection, lpszEntry, lpszDefault,
lpszRetBuffer, cbRetBuffer, lpszFilename);
goto quit;
}
if (_iodbcadm_getinifile (pathbuf, sizeof (pathbuf), FALSE, FALSE))
len =
GetPrivateProfileString (lpszSection, lpszEntry, lpszDefault,
lpszRetBuffer, cbRetBuffer, pathbuf);
goto quit;
case ODBC_SYSTEM_DSN:
wSystemDSN = SYSTEMDSN_ONLY;
if (lpszFilename)
{
len =
GetPrivateProfileString (lpszSection, lpszEntry, lpszDefault,
lpszRetBuffer, cbRetBuffer, lpszFilename);
goto quit;
}
if (_iodbcadm_getinifile (pathbuf, sizeof (pathbuf), FALSE, FALSE))
len =
GetPrivateProfileString (lpszSection, lpszEntry, lpszDefault,
lpszRetBuffer, cbRetBuffer, pathbuf);
goto quit;
case ODBC_BOTH_DSN:
wSystemDSN = USERDSN_ONLY;
if (lpszFilename)
{
len =
GetPrivateProfileString (lpszSection, lpszEntry, lpszDefault,
lpszRetBuffer, cbRetBuffer, lpszFilename);
if (!len)
{
CLEAR_ERROR ();
wSystemDSN = SYSTEMDSN_ONLY;
len =
GetPrivateProfileString (lpszSection, lpszEntry,
lpszDefault, lpszRetBuffer, cbRetBuffer, lpszFilename);
}
goto quit;
}
if (_iodbcadm_getinifile (pathbuf, sizeof (pathbuf), FALSE, FALSE))
len =
GetPrivateProfileString (lpszSection, lpszEntry, lpszDefault,
lpszRetBuffer, cbRetBuffer, pathbuf);
else
{
CLEAR_ERROR ();
wSystemDSN = SYSTEMDSN_ONLY;
if (_iodbcadm_getinifile (pathbuf, sizeof (pathbuf), FALSE, FALSE))
len =
GetPrivateProfileString (lpszSection, lpszEntry, lpszDefault,
lpszRetBuffer, cbRetBuffer, pathbuf);
}
goto quit;
};
PUSH_ERROR (ODBC_ERROR_GENERAL_ERR);
goto quit;
quit:
wSystemDSN = USERDSN_ONLY;
configMode = ODBC_BOTH_DSN;
return len;
}
|
