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mysql
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mysql-3.23.28g-win-source.exe
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mysys
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my_redel.c
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2000-09-26
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/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA */
#define USES_TYPES /* sys/types is included */
#include "mysys_priv.h"
#include <my_dir.h>
#include <m_string.h>
#include "mysys_err.h"
#if defined(HAVE_SYS_UTIME_H)
#include <sys/utime.h>
#elif defined(HAVE_UTIME_H)
#include <utime.h>
#elif !defined(HPUX)
struct utimbuf {
time_t actime;
time_t modtime;
};
#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
*/
#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 (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);
strmov(strend(ext),REDEL_EXT);
if (my_rename(org_name, fn_format(name_buff, org_name, "", ext, 2),
MyFlags))
goto end;
}
else if (my_delete(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)
{
struct stat statbuf;
if (stat((char*) from, &statbuf))
{
my_errno=errno;
if (MyFlags & (MY_FAE+MY_WME))
my_error(EE_STAT, MYF(ME_BELL+ME_WAITTANG),from,errno);
return -1; /* Can't get stat on input file */
}
if ((statbuf.st_mode & S_IFMT) != S_IFREG)
return 1;
VOID(chmod(to, statbuf.st_mode & 07777)); /* Copy modes */
#if !defined(MSDOS) && !defined(__WIN__) && !defined(__EMX__)
if (statbuf.st_nlink > 1 && MyFlags & MY_LINK_WARNING)
{
if (MyFlags & MY_LINK_WARNING)
my_error(EE_LINK_WARNING,MYF(ME_BELL+ME_WAITTANG),from,statbuf.st_nlink);
}
VOID(chown(to, statbuf.st_uid, statbuf.st_gid)); /* Copy ownership */
#endif /* MSDOS */
#ifndef VMS
#ifndef __ZTC__
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 */
}
#else
if (MyFlags & MY_COPYTIME)
{
time_t time[2];
time[0]= statbuf.st_atime;
time[1]= statbuf.st_mtime;
VOID(utime((char*) to, time));/* Update last accessed and modified times */
}
#endif
#endif
return 0;
} /* my_copystat */