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/***************************************************************************
types.i - Libini supported data types
Use readString for others
-------------------
begin : Fri Apr 21 2000
copyright : (C) 2000 by Simon White
email : s_a_white@email.com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ini.h"
/********************************************************************************************************************
* Function : __ini_write
* Parameters : ini - pointer to ini file database. heading - heading name. key - key name.
* Returns : Pointer to new key.
* Globals Used :
* Globals Modified :
* Description : Make calls to add a new key and appends a description of changes in the backup file
********************************************************************************************************************
* Rev | Date | By | Comment
* ----------------------------------------------------------------------------------------------------------------
********************************************************************************************************************/
static struct key_tag *__ini_write (ini_t *ini)
{
struct section_tag *section;
struct key_tag *key;
// Is file read only?
if (ini->mode == INI_READ)
return NULL;
// Check to make sure a section/key has
// been asked for by the user
section = ini->selected;
if (!section)
return NULL;
key = section->selected;
if (!key)
return NULL;
// Add or replace key
if (!__ini_addHeading (ini, section->heading))
return NULL;
return __ini_addKey (ini, key->key);
}
/********************************************************************************************************************
* Function : ini_readString
* Parameters : ini - pointer to ini file database.
* : value - keys data
* Returns : -1 for error or the number of chars read.
* Globals Used :
* Globals Modified :
* Description : Reads data part from a key and returns it as a string
********************************************************************************************************************
* Rev | Date | By | Comment
* ----------------------------------------------------------------------------------------------------------------
********************************************************************************************************************/
int INI_LINKAGE ini_readString (ini_fd_t fd, char *str, size_t size)
{
struct key_tag *_key;
ini_t *ini = (ini_t *) fd;
if (!ini->selected)
return -1;
if (size <= 0)
return -1;
// Locate and read keys value
_key = ini->selected->selected;
if (!_key)
return -1;
size--; // Reserve space for NULL
#ifdef INI_ADD_LIST_SUPPORT
if (ini->listDelims)
{
char *data;
size_t length;
data = __ini_listRead (ini);
if (!data)
return -1;
// Check to make sure size is correct
length = strlen (data);
if (size > length)
size = length;
memcpy (str, data, size);
}
else
#endif // INI_ADD_LIST_SUPPORT
{ // Locate and read back keys data (Index ignored)
// Check to make sure size is correct
if (size > _key->length)
size = _key->length;
if (size)
{
fseek (ini->ftmp, _key->pos, SEEK_SET);
size = fread (str, sizeof(char), size, ini->ftmp);
}
else if (_key == &ini->tmpKey)
return -1; // Can't read tmpKey
}
str[size] = '\0';
__ini_strtrim (str);
return size;
}
/********************************************************************************************************************
* Function : ini_writeString
* Parameters : ini - pointer to ini file database.
* : value - keys data
* Returns : -1 for Error and 0 on success
* Globals Used :
* Globals Modified :
* Description : Writes data part to a key.
* : Conforms to Microsoft API call. E.g. use NULLS to remove headings/keys
* : Headings and keys will be created as necessary
********************************************************************************************************************
* Rev | Date | By | Comment
* ----------------------------------------------------------------------------------------------------------------
********************************************************************************************************************/
int INI_LINKAGE ini_writeString (ini_fd_t fd, char *str)
{
ini_t *ini = (ini_t *) fd;
struct key_tag *_key;
_key = __ini_write (ini);
if (!_key)
return -1;
// Write data to bottom of backup file
_key->length = strlen (str);
fprintf (ini->ftmp, "%s\n", str);
return 0;
}
/********************************************************************************************************************
* Function : ini_readInt
* Parameters : ini - pointer to ini file database.
* : value - keys data
* Returns : -1 for error or the number of values read.
* Globals Used :
* Globals Modified :
* Description : Reads data part from a key and returns it as a int
********************************************************************************************************************
* Rev | Date | By | Comment
* ----------------------------------------------------------------------------------------------------------------
********************************************************************************************************************/
int INI_LINKAGE ini_readInt (ini_fd_t fd, int *value)
{
ini_t *ini = (ini_t *) fd;
struct key_tag *_key;
// Check to make sure a section has been
// asked for by the user
if (!ini->selected)
return -1;
// Locate and read keys value
_key = ini->selected->selected;
if (!_key)
return -1;
#ifdef INI_ADD_LIST_SUPPORT
if (ini->listDelims)
{
char *data;
data = __ini_listRead (ini);
if (!data)
return -1;
sscanf (data, "%d", value);
}
else
#endif // INI_ADD_LIST_SUPPORT
{
if (_key->length)
{ // Locate and read back keys data
fseek (ini->ftmp, _key->pos, SEEK_SET);
fscanf (ini->ftmp, "%d", value);
}
else if (_key == &ini->tmpKey)
return -1; // Can't read tmpKey
}
return 0;
}
#ifdef INI_ADD_EXTRAS
/********************************************************************************************************************
* Function : ini_readLong
* Parameters : ini - pointer to ini file database.
* : value - keys data
* Returns : -1 for error or the number of values read.
* Globals Used :
* Globals Modified :
* Description : Reads data part from a key and returns it as a long
********************************************************************************************************************
* Rev | Date | By | Comment
* ----------------------------------------------------------------------------------------------------------------
********************************************************************************************************************/
int INI_LINKAGE ini_readLong (ini_fd_t fd, long *value)
{
ini_t *ini = (ini_t *) fd;
struct key_tag *_key;
// Check to make sure a section has been
// asked for by the user
if (!ini->selected)
return -1;
// Locate and read keys value
_key = ini->selected->selected;
if (!_key)
return -1;
#ifdef INI_ADD_LIST_SUPPORT
if (ini->listDelims)
{
char *data;
data = __ini_listRead (ini);
if (!data)
return -1;
sscanf (data, "%ld", value);
}
else
#endif // INI_ADD_LIST_SUPPORT
{
if (_key->length)
{ // Locate and read back keys data
fseek (ini->ftmp, _key->pos, SEEK_SET);
fscanf (ini->ftmp, "%ld", value);
}
else if (_key == &ini->tmpKey)
return -1; // Can't read tmpKey
}
return 0;
}
/********************************************************************************************************************
* Function : ini_readDouble
* Parameters : ini - pointer to ini file database.
* : value - keys data
* Returns : -1 for error or the number of values read.
* Globals Used :
* Globals Modified :
* Description : Reads data part from a key and returns it as a double (real)
********************************************************************************************************************
* Rev | Date | By | Comment
* ----------------------------------------------------------------------------------------------------------------
********************************************************************************************************************/
int INI_LINKAGE ini_readDouble (ini_fd_t fd, double *value)
{
ini_t *ini = (ini_t *) fd;
struct key_tag *_key;
// Check to make sure a section has been
// asked for by the user
if (!ini->selected)
return -1;
// Locate and read keys value
_key = ini->selected->selected;
if (!_key)
return -1;
#ifdef INI_ADD_LIST_SUPPORT
if (ini->listDelims)
{
char *data;
data = __ini_listRead (ini);
if (!data)
return -1;
sscanf (data, "%lf", value);
}
else
#endif // INI_ADD_LIST_SUPPORT
{
if (_key->length)
{ // Locate and read back keys data
fseek (ini->ftmp, _key->pos, SEEK_SET);
fscanf (ini->ftmp, "%lf", value);
}
else if (_key == &ini->tmpKey)
return -1; // Can't read tmpKey
}
return 0;
}
/********************************************************************************************************************
* Function : ini_writeInt
* Parameters : ini - pointer to ini file database.
* : value - keys data
* Returns : -1 for Error and 0 on success
* Globals Used :
* Globals Modified :
* Description : Writes data part to a key.
* : Headings and keys will be created as necessary
********************************************************************************************************************
* Rev | Date | By | Comment
* ----------------------------------------------------------------------------------------------------------------
********************************************************************************************************************/
int INI_LINKAGE ini_writeInt (ini_fd_t fd, int value)
{
ini_t *ini = (ini_t *) fd;
struct key_tag *_key;
long pos;
_key = __ini_write (ini);
if (!_key)
return -1;
// Write data to bottom of backup file
fprintf (ini->ftmp, "%d", value);
pos = ftell (ini->ftmp);
_key->length = (size_t) (pos - _key->pos);
fprintf (ini->ftmp, "\n");
return 0;
}
/********************************************************************************************************************
* Function : ini_writeLong
* Parameters : ini - pointer to ini file database.
* : value - keys data
* Returns : -1 for Error and 0 on success
* Globals Used :
* Globals Modified :
* Description : Writes data part to a key.
* : Headings and keys will be created as necessary
********************************************************************************************************************
* Rev | Date | By | Comment
* ----------------------------------------------------------------------------------------------------------------
********************************************************************************************************************/
int INI_LINKAGE ini_writeLong (ini_fd_t fd, long value)
{
ini_t *ini = (ini_t *) fd;
struct key_tag *_key;
long pos;
_key = __ini_write (ini);
if (!_key)
return -1;
// Write data to bottom of backup file
fprintf (ini->ftmp, "%ld", value);
pos = ftell (ini->ftmp);
_key->length = (size_t) (pos - _key->pos);
fprintf (ini->ftmp, "\n");
return 0;
}
/********************************************************************************************************************
* Function : ini_writeDouble
* Parameters : ini - pointer to ini file database.
* : value - keys data
* Returns : -1 for Error and 0 on success
* Globals Used :
* Globals Modified :
* Description : Writes data part to a key.
* : Headings and keys will be created as necessary
********************************************************************************************************************
* Rev | Date | By | Comment
* ----------------------------------------------------------------------------------------------------------------
********************************************************************************************************************/
int INI_LINKAGE ini_writeDouble (ini_fd_t fd, double value)
{
ini_t *ini = (ini_t *) fd;
struct key_tag *_key;
long pos;
_key = __ini_write (ini);
if (!_key)
return -1;
// Write data to bottom of backup file
fprintf (ini->ftmp, "%f", value);
pos = ftell (ini->ftmp);
_key->length = (size_t) (pos - _key->pos);
fprintf (ini->ftmp, "\n");
return 0;
}
#endif // INI_ADD_EXTRAS
|
