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66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/* Copyright (C) 2000 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#define USES_TYPES
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#include "mysys_priv.h"
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#include <my_dir.h>
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#include "mysys_err.h"
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#undef my_rename
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/* On unix rename deletes to file if it exists */
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int my_rename(const char *from, const char *to, myf MyFlags)
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{
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int error = 0;
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DBUG_ENTER("my_rename");
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DBUG_PRINT("my",("from %s to %s MyFlags %d", from, to, MyFlags));
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#if defined(HAVE_FILE_VERSIONS)
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{ /* Check that there isn't a old file */
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int save_errno;
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MY_STAT my_stat_result;
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save_errno=my_errno;
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if (my_stat(to,&my_stat_result,MYF(0)))
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{
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my_errno=EEXIST;
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error= -1;
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if (MyFlags & MY_FAE+MY_WME)
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my_error(EE_LINK, MYF(ME_BELL+ME_WAITTANG),from,to,my_errno);
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DBUG_RETURN(error);
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}
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my_errno=save_errno;
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}
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#endif
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#if defined(HAVE_RENAME)
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#ifdef __WIN__
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/*
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On windows we can't rename over an existing file:
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Remove any conflicting files:
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*/
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(void) my_delete(to, MYF(0));
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#endif
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if (rename(from,to))
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#else
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if (link(from, to) || unlink(from))
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#endif
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{
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my_errno=errno;
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error = -1;
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if (MyFlags & (MY_FAE+MY_WME))
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my_error(EE_LINK, MYF(ME_BELL+ME_WAITTANG),from,to,my_errno);
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}
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DBUG_RETURN(error);
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} /* my_rename */
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