82 lines
1.7 KiB
C
82 lines
1.7 KiB
C
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1997,2008 Oracle. All rights reserved.
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*
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* $Id: os_rename.c 63573 2008-05-23 21:43:21Z trent.nelson $
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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(env, oldname, newname, silent)
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ENV *env;
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const char *oldname, *newname;
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u_int32_t silent;
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{
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DB_ENV *dbenv;
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_TCHAR *toldname, *tnewname;
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int ret;
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dbenv = env == NULL ? NULL : env->dbenv;
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if (dbenv != NULL &&
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FLD_ISSET(dbenv->verbose, DB_VERB_FILEOPS | DB_VERB_FILEOPS_ALL))
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__db_msg(env, "fileops: rename %s to %s", oldname, newname);
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TO_TSTRING(env, oldname, toldname, ret);
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if (ret != 0)
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return (ret);
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TO_TSTRING(env, newname, tnewname, ret);
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if (ret != 0) {
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FREE_STRING(env, toldname);
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return (ret);
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}
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LAST_PANIC_CHECK_BEFORE_IO(env);
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if (!MoveFile(toldname, tnewname))
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ret = __os_get_syserr();
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if (__os_posix_err(ret) == EEXIST) {
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ret = 0;
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#ifndef DB_WINCE
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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_syserr();
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} else
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#endif
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{
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/*
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* There is no MoveFileEx for Win9x/Me/CE, 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_syserr();
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}
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}
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FREE_STRING(env, tnewname);
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FREE_STRING(env, toldname);
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if (ret != 0) {
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if (silent == 0)
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__db_syserr(
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env, ret, "MoveFileEx %s %s", oldname, newname);
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ret = __os_posix_err(ret);
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}
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return (ret);
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}
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