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mysql-3.23.28g-win-source.exe
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merge
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create.c
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2000-08-31
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/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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; either version 2 of the License, or
(at your option) any later version.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/* Create a MERGE-file */
#include "mrgdef.h"
/* create file named 'name' and save filenames in it
table_names should be NULL or a vector of string-pointers with
a NULL-pointer last
*/
int mrg_create(name,table_names)
const char *name,**table_names;
{
int save_errno;
uint errpos;
File file;
char buff[FN_REFLEN],*end;
DBUG_ENTER("mrg_create");
errpos=0;
if ((file = my_create(fn_format(buff,name,"",MRG_NAME_EXT,4),0,
O_RDWR | O_TRUNC,MYF(MY_WME))) < 0)
goto err;
errpos=1;
if (table_names)
for ( ; *table_names ; table_names++)
{
strmov(buff,*table_names);
fn_same(buff,name,4);
*(end=strend(buff))='\n';
if (my_write(file,*table_names,(uint) (end-buff+1),
MYF(MY_WME | MY_NABP)))
goto err;
}
if (my_close(file,MYF(0)))
goto err;
DBUG_RETURN(0);
err:
save_errno=my_errno;
switch (errpos) {
case 1:
VOID(my_close(file,MYF(0)));
}
my_errno=save_errno; /* Return right errocode */
DBUG_RETURN(-1);
} /* mrg_create */