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72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1997-2005
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* Sleepycat Software. All rights reserved.
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*
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* $Id: os_rename.c,v 12.1 2005/06/16 20:23:30 bostic Exp $
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*/
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#include "db_config.h"
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#include "db_int.h"
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/*
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* __os_rename --
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* Rename a file.
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*/
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int
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__os_rename(dbenv, oldname, newname, flags)
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DB_ENV *dbenv;
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const char *oldname, *newname;
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u_int32_t flags;
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{
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int ret;
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_TCHAR *toldname, *tnewname;
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ret = 0;
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if (DB_GLOBAL(j_rename) != NULL) {
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if (DB_GLOBAL(j_rename)(oldname, newname) == -1)
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ret = __os_get_errno();
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goto done;
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}
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TO_TSTRING(dbenv, oldname, toldname, ret);
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if (ret != 0)
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goto done;
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TO_TSTRING(dbenv, newname, tnewname, ret);
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if (ret != 0)
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goto err;
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if (!MoveFile(toldname, tnewname))
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ret = __os_get_errno();
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if (ret == EEXIST) {
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ret = 0;
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if (__os_is_winnt()) {
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if (!MoveFileEx(
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toldname, tnewname, MOVEFILE_REPLACE_EXISTING))
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ret = __os_get_errno();
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} else {
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/*
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* There is no MoveFileEx for Win9x/Me, so we have to
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* do the best we can. Note that the MoveFile call
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* above would have succeeded if oldname and newname
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* refer to the same file, so we don't need to check
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* that here.
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*/
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(void)DeleteFile(tnewname);
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if (!MoveFile(toldname, tnewname))
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ret = __os_get_errno();
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}
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}
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FREE_STRING(dbenv, tnewname);
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err: FREE_STRING(dbenv, toldname);
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done: if (ret != 0 && flags == 0)
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__db_err(dbenv,
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"Rename %s %s: %s", oldname, newname, strerror(ret));
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return (ret);
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}
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