Interstage Application Server Smart Repository運用ガイド

5.3.3.6 属性値のUTF-8への変換

　属性値の集合をUTF-8に変換する場合のサンプルプログラムを以下に示します。

［conv_values.c］

/*
 * Copyright (c) 2004.  Fujitsu Limited.  All rights reserved.
 * 
 * 属性値のUTF-8への変換を行う。
 *
 */

#include <sys/types.h>
#include <stdlib.h>
#include "examples.h"

/*-------------------------------------------------------------*/
int do_conv_values(
char *in_vals[],
struct berval **out_vals[],
int in,
int out
)
{
int i;
int rtn;
int count;
struct berval **vals;
struct berval *berval;


/*----------------------------------------------------------*/

/* 属性値の数をカウント */
count = ldap_count_values( in_vals );
vals = (struct berval **)calloc( count + 1, sizeof( struct berval * ) );
if ( vals == NULL ) {
        *out_vals = NULL;
        return( -1 );
}

/* 日本語を含む文字列をUTF-8に変換 */
for ( i = 0; i < count; i++ ) {
        berval = (struct berval *)calloc( 1, sizeof( struct berval ) );
        rtn = ldap_conv_utf( in_vals[i], &berval->bv_val, in, out );
        if ( rtn == 0 ) {
                vals[i] = NULL;
                ldap_value_free_len( vals );
                *out_vals = NULL;
                free(berval);
                return(-1);
        }
        berval->bv_len = (unsigned long)rtn;
        vals[i] = berval;
}
*out_vals = vals;
return(0);
}