source: trunk/third/rpm/db/os_win32/os_rename.c @ 19079

/*-
 * See the file LICENSE for redistribution information.
 *
 * Copyright (c) 1997-2002
 *      Sleepycat Software.  All rights reserved.
 */

#include "db_config.h"

#ifndef lint
static const char revid[] = "Id: os_rename.c,v 1.12 2002/07/12 18:56:55 bostic Exp ";
#endif /* not lint */

#include "db_int.h"

/*
 * __os_rename --
 *      Rename a file.
 */
int
__os_rename(dbenv, oldname, newname, flags)
        DB_ENV *dbenv;
        const char *oldname, *newname;
        u_int32_t flags;
{
        int ret;

        ret = 0;
        if (DB_GLOBAL(j_rename) != NULL) {
                if (DB_GLOBAL(j_rename)(oldname, newname) == -1)
                        ret = __os_get_errno();
                goto done;
        }

        if (!MoveFile(oldname, newname))
                ret = __os_win32_errno();

        if (ret == EEXIST) {
                ret = 0;
                if (__os_is_winnt()) {
                        if (!MoveFileEx(
                            oldname, newname, MOVEFILE_REPLACE_EXISTING))
                                ret = __os_win32_errno();
                } else {
                        /*
                         * There is no MoveFileEx for Win9x/Me, so we have to
                         * do the best we can.  Note that MoveFile returns 1
                         * if the names refer to the same file, so we don't
                         * need to check that here.
                         */
                        (void)DeleteFile(newname);
                        if (!MoveFile(oldname, newname))
                                ret = __os_win32_errno();
                }
        }

done:   if (ret != 0 && flags == 0)
                __db_err(dbenv,
                    "Rename %s %s: %s", oldname, newname, strerror(ret));

        return (ret);
}