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/* Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include "mysys_priv.h"
#include "my_sys.h"
#include <my_dir.h>
#include <m_string.h>
#include "mysys_err.h"
#include "my_thread_local.h"
#ifndef _WIN32
#include <utime.h>
#else
#include <sys/utime.h>
#endif
/*
Rename with copy stat form old file
Copy stats from old file to new file, deletes orginal and
changes new file name to old file name
if MY_REDEL_MAKE_COPY is given, then the orginal file
is renamed to org_name-'current_time'.BAK
if MY_REDEL_NO_COPY_STAT is given, stats are not copied
from org_name to tmp_name.
*/
#define REDEL_EXT ".BAK"
int my_redel(const char *org_name, const char *tmp_name, myf MyFlags)
{
int error=1;
DBUG_ENTER("my_redel");
DBUG_PRINT("my",("org_name: '%s' tmp_name: '%s' MyFlags: %d",
org_name,tmp_name,MyFlags));
if (!(MyFlags & MY_REDEL_NO_COPY_STAT))
{
if (my_copystat(org_name,tmp_name,MyFlags) < 0)
goto end;
}
if (MyFlags & MY_REDEL_MAKE_BACKUP)
{
char name_buff[FN_REFLEN+20];
char ext[20];
ext[0]='-';
get_date(ext+1,2+4,(time_t) 0);
my_stpcpy(strend(ext),REDEL_EXT);
if (my_rename(org_name, fn_format(name_buff, org_name, "", ext, 2),
MyFlags))
goto end;
}
else if (my_delete_allow_opened(org_name, MyFlags))
goto end;
if (my_rename(tmp_name,org_name,MyFlags))
goto end;
error=0;
end:
DBUG_RETURN(error);
} /* my_redel */
/* Copy stat from one file to another */
/* Return -1 if can't get stat, 1 if wrong type of file */
int my_copystat(const char *from, const char *to, int MyFlags)
{
MY_STAT statbuf;
if (my_stat(from, &statbuf, MyFlags) == NULL)
return -1; /* Can't get stat on input file */
if ((statbuf.st_mode & S_IFMT) != S_IFREG)
return 1;
/* Copy modes */
if (chmod(to, statbuf.st_mode & 07777))
{
set_my_errno(errno);
if (MyFlags & (MY_FAE+MY_WME))
{
char errbuf[MYSYS_STRERROR_SIZE];
my_error(EE_CHANGE_PERMISSIONS, MYF(0), from,
errno, my_strerror(errbuf, sizeof(errbuf), errno));
}
return -1;
}
#if !defined(_WIN32)
if (statbuf.st_nlink > 1 && MyFlags & MY_LINK_WARNING)
{
if (MyFlags & MY_LINK_WARNING)
my_error(EE_LINK_WARNING,MYF(0),from,statbuf.st_nlink);
}
/* Copy ownership */
if (chown(to, statbuf.st_uid, statbuf.st_gid))
{
set_my_errno(errno);
if (MyFlags & (MY_FAE+MY_WME))
{
char errbuf[MYSYS_STRERROR_SIZE];
my_error(EE_CHANGE_OWNERSHIP, MYF(0), from,
errno, my_strerror(errbuf, sizeof(errbuf), errno));
}
return -1;
}
#endif /* !_WIN32 */
if (MyFlags & MY_COPYTIME)
{
struct utimbuf timep;
timep.actime = statbuf.st_atime;
timep.modtime = statbuf.st_mtime;
(void) utime((char*) to, &timep);/* Update last accessed and modified times */
}
return 0;
} /* my_copystat */
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