133 lines
3.5 KiB
C
133 lines
3.5 KiB
C
/* Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
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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; version 2 of the License.
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#include "mysys_priv.h"
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#include "my_sys.h"
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#include <my_dir.h>
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#include <m_string.h>
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#include "mysys_err.h"
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#include "my_thread_local.h"
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#ifndef _WIN32
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#include <utime.h>
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#else
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#include <sys/utime.h>
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#endif
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/*
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Rename with copy stat form old file
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Copy stats from old file to new file, deletes orginal and
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changes new file name to old file name
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if MY_REDEL_MAKE_COPY is given, then the orginal file
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is renamed to org_name-'current_time'.BAK
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if MY_REDEL_NO_COPY_STAT is given, stats are not copied
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from org_name to tmp_name.
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*/
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#define REDEL_EXT ".BAK"
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int my_redel(const char *org_name, const char *tmp_name, myf MyFlags)
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{
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int error=1;
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DBUG_ENTER("my_redel");
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DBUG_PRINT("my",("org_name: '%s' tmp_name: '%s' MyFlags: %d",
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org_name,tmp_name,MyFlags));
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if (!(MyFlags & MY_REDEL_NO_COPY_STAT))
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{
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if (my_copystat(org_name,tmp_name,MyFlags) < 0)
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goto end;
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}
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if (MyFlags & MY_REDEL_MAKE_BACKUP)
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{
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char name_buff[FN_REFLEN+20];
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char ext[20];
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ext[0]='-';
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get_date(ext+1,2+4,(time_t) 0);
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my_stpcpy(strend(ext),REDEL_EXT);
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if (my_rename(org_name, fn_format(name_buff, org_name, "", ext, 2),
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MyFlags))
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goto end;
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}
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else if (my_delete_allow_opened(org_name, MyFlags))
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goto end;
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if (my_rename(tmp_name,org_name,MyFlags))
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goto end;
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error=0;
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end:
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DBUG_RETURN(error);
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} /* my_redel */
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/* Copy stat from one file to another */
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/* Return -1 if can't get stat, 1 if wrong type of file */
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int my_copystat(const char *from, const char *to, int MyFlags)
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{
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MY_STAT statbuf;
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if (my_stat(from, &statbuf, MyFlags) == NULL)
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return -1; /* Can't get stat on input file */
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if ((statbuf.st_mode & S_IFMT) != S_IFREG)
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return 1;
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/* Copy modes */
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if (chmod(to, statbuf.st_mode & 07777))
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{
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set_my_errno(errno);
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if (MyFlags & (MY_FAE+MY_WME))
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{
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char errbuf[MYSYS_STRERROR_SIZE];
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my_error(EE_CHANGE_PERMISSIONS, MYF(0), from,
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errno, my_strerror(errbuf, sizeof(errbuf), errno));
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}
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return -1;
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}
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#if !defined(_WIN32)
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if (statbuf.st_nlink > 1 && MyFlags & MY_LINK_WARNING)
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{
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if (MyFlags & MY_LINK_WARNING)
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my_error(EE_LINK_WARNING,MYF(0),from,statbuf.st_nlink);
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}
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/* Copy ownership */
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if (chown(to, statbuf.st_uid, statbuf.st_gid))
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{
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set_my_errno(errno);
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if (MyFlags & (MY_FAE+MY_WME))
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{
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char errbuf[MYSYS_STRERROR_SIZE];
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my_error(EE_CHANGE_OWNERSHIP, MYF(0), from,
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errno, my_strerror(errbuf, sizeof(errbuf), errno));
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}
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return -1;
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}
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#endif /* !_WIN32 */
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if (MyFlags & MY_COPYTIME)
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{
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struct utimbuf timep;
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timep.actime = statbuf.st_atime;
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timep.modtime = statbuf.st_mtime;
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(void) utime((char*) to, &timep);/* Update last accessed and modified times */
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}
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return 0;
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} /* my_copystat */
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