dba_inifile.c

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/*
   +----------------------------------------------------------------------+
   | Copyright (c) The PHP Group                                          |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | https://www.php.net/license/3_01.txt                                 |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Author: Marcus Boerger <helly@php.net>                               |
   +----------------------------------------------------------------------+
 */
 
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
 
#include "php.h"
 
#ifdef DBA_INIFILE
#include "php_inifile.h"
 
#include "libinifile/inifile.h"
 
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
 
DBA_OPEN_FUNC(inifile)
{
    info->dbf = inifile_alloc(info->fp, info->mode == DBA_READER, info->flags&DBA_PERSISTENT);
 
    return info->dbf ? SUCCESS : FAILURE;
}
 
DBA_CLOSE_FUNC(inifile)
{
    inifile *dba = info->dbf;
 
    inifile_free(dba, info->flags&DBA_PERSISTENT);
}
 
DBA_FETCH_FUNC(inifile)
{
    inifile *dba = info->dbf;
    val_type ini_val;
    key_type ini_key;
    zend_string *fetched_val = NULL;
 
    if (!key) {
        php_error_docref(NULL, E_WARNING, "No key specified");
        return 0;
    }
    ini_key = inifile_key_split(ZSTR_VAL(key)); /* keylen not needed here */
 
    ini_val = inifile_fetch(dba, &ini_key, skip);
    inifile_key_free(&ini_key);
    if (ini_val.value) {
        fetched_val = zend_string_init(ini_val.value, strlen(ini_val.value), /* persistent */ false);
        inifile_val_free(&ini_val);
    }
    return fetched_val;
}
 
DBA_UPDATE_FUNC(inifile)
{
    inifile *dba = info->dbf;
    val_type ini_val;
    int res;
    key_type ini_key;
 
    if (!key) {
        php_error_docref(NULL, E_WARNING, "No key specified");
        return 0;
    }
    ini_key = inifile_key_split(ZSTR_VAL(key)); /* keylen not needed here */
 
    ini_val.value = ZSTR_VAL(val);
 
    if (mode == 1) {
        res = inifile_append(dba, &ini_key, &ini_val);
    } else {
        res = inifile_replace(dba, &ini_key, &ini_val);
    }
    inifile_key_free(&ini_key);
    switch(res) {
    case -1:
        // TODO Check when this happens and confirm this can even happen
        php_error_docref(NULL, E_WARNING, "Operation not possible");
        return FAILURE;
    default:
    case 0:
        return SUCCESS;
    case 1:
        return FAILURE;
    }
}
 
DBA_EXISTS_FUNC(inifile)
{
    inifile *dba = info->dbf;
    val_type ini_val;
    key_type ini_key;
 
    if (!key) {
        php_error_docref(NULL, E_WARNING, "No key specified");
        return 0;
    }
    ini_key = inifile_key_split(ZSTR_VAL(key)); /* keylen not needed here */
 
    ini_val = inifile_fetch(dba, &ini_key, 0);
    inifile_key_free(&ini_key);
    if (ini_val.value) {
        inifile_val_free(&ini_val);
        return SUCCESS;
    }
    return FAILURE;
}
 
DBA_DELETE_FUNC(inifile)
{
    inifile *dba = info->dbf;
    int res;
    bool found = 0;
    key_type ini_key;
 
    if (!key) {
        php_error_docref(NULL, E_WARNING, "No key specified");
        return 0;
    }
    ini_key = inifile_key_split(ZSTR_VAL(key)); /* keylen not needed here */
 
    res =  inifile_delete_ex(dba, &ini_key, &found);
 
    inifile_key_free(&ini_key);
    return (res == -1 || !found ? FAILURE : SUCCESS);
}
 
DBA_FIRSTKEY_FUNC(inifile)
{
    inifile *dba = info->dbf;
 
    if (inifile_firstkey(dba)) {
        char *result = inifile_key_string(&dba->curr.key);
        zend_string *key = zend_string_init(result, strlen(result), /* persistent */ false);
        efree(result);
        return key;
    } else {
        return NULL;
    }
}
 
DBA_NEXTKEY_FUNC(inifile)
{
    inifile *dba = info->dbf;
 
    if (!dba->curr.key.group && !dba->curr.key.name) {
        return NULL;
    }
 
    if (inifile_nextkey(dba)) {
        char *result = inifile_key_string(&dba->curr.key);
        zend_string *key = zend_string_init(result, strlen(result), /* persistent */ false);
        efree(result);
        return key;
    } else {
        return NULL;
    }
}
 
DBA_OPTIMIZE_FUNC(inifile)
{
    /* dummy */
    return SUCCESS;
}
 
DBA_SYNC_FUNC(inifile)
{
    /* dummy */
    return SUCCESS;
}
 
DBA_INFO_FUNC(inifile)
{
    return estrdup(inifile_version());
}
 
#endif