ldap/common/friendly.c

/*
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */
#pragma ident   "%Z%%M% %I% %E% SMI"

/*
 * The contents of this file are subject to the Netscape Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is Mozilla Communicator client code, released
 * March 31, 1998.
 *
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation. Portions created by Netscape are
 * Copyright (C) 1998-1999 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s):
 */
/*
 *  Copyright (c) 1990 Regents of the University of Michigan.
 *  All rights reserved.
 */
/*
 *  friendly.c
 */

#if 0
#ifndef lint
static char copyright[] = "@(#) Copyright (c) 1993 Regents of the University of Michigan.\nAll rights reserved.\n";
#endif
#endif

#include "ldap-int.h"

char *
LDAP_CALL
ldap_friendly_name( char *filename, char *name, FriendlyMap *map )
{
    int i, entries;
    FILE    *fp;
    char    *s;
    char    buf[BUFSIZ];

    if ( map == NULL ) {
        return( name );
    }
    if ( NULL == name)
    {
        return (name);
    }

    if ( *map == NULL ) {
        if ( (fp = fopen( filename, "rF" )) == NULL )
            return( name );

        entries = 0;
        while ( fgets( buf, sizeof(buf), fp ) != NULL ) {
            if ( buf[0] != '#' )
                entries++;
        }
        rewind( fp );

        if ( (*map = (FriendlyMap)NSLDAPI_MALLOC( (entries + 1) *
            sizeof(struct friendly) )) == NULL ) {
            fclose( fp );
            return( name );
        }

        i = 0;
        while ( fgets( buf, sizeof(buf), fp ) != NULL && i < entries ) {
            if ( buf[0] == '#' )
                continue;

            if ( (s = strchr( buf, '\n' )) != NULL )
                *s = '\0';

            if ( (s = strchr( buf, '\t' )) == NULL )
                continue;
            *s++ = '\0';

            if ( *s == '"' ) {
                int esc = 0, found = 0;

                for ( ++s; *s && !found; s++ ) {
                    switch ( *s ) {
                    case '\\':
                        esc = 1;
                        break;
                    case '"':
                        if ( !esc )
                            found = 1;
                        /* FALL */
                    default:
                        esc = 0;
                        break;
                    }
                }
            }

            (*map)[i].f_unfriendly = nsldapi_strdup( buf );
            (*map)[i].f_friendly = nsldapi_strdup( s );
            i++;
        }

        fclose( fp );
        (*map)[i].f_unfriendly = NULL;
    }

    for ( i = 0; (*map)[i].f_unfriendly != NULL; i++ ) {
        if ( strcasecmp( name, (*map)[i].f_unfriendly ) == 0 )
            return( (*map)[i].f_friendly );
    }
    return( name );
}


void
LDAP_CALL
ldap_free_friendlymap( FriendlyMap *map )
{
    struct friendly* pF;

    if ( map == NULL || *map == NULL ) {
        return;
    }

    for ( pF = *map; pF->f_unfriendly; pF++ ) {
        NSLDAPI_FREE( pF->f_unfriendly );
        NSLDAPI_FREE( pF->f_friendly );
    }
    NSLDAPI_FREE( *map );
    *map = NULL;
}