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/* Copyright (C) 2000-2006 MySQL 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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/**
@file
@brief
This file defines all string functions
@warning
Some string functions don't always put and end-null on a String.
(This shouldn't be needed)
*/
#include <drizzled/server_includes.h>
#include <drizzled/data_home.h>
#include <drizzled/error.h>
String my_empty_string("",default_charset_info);
String *Item_load_file::val_str(String *str)
{
assert(fixed == 1);
String *file_name;
File file;
struct stat stat_info;
char path[FN_REFLEN];
if (!(file_name= args[0]->val_str(str)))
goto err;
(void) fn_format(path, file_name->c_ptr(), drizzle_real_data_home, "",
MY_RELATIVE_PATH | MY_UNPACK_FILENAME);
/* Read only allowed from within dir specified by secure_file_priv */
if (opt_secure_file_priv &&
strncmp(opt_secure_file_priv, path, strlen(opt_secure_file_priv)))
goto err;
if (stat(path, &stat_info))
goto err;
if (!(stat_info.st_mode & S_IROTH))
{
/* my_error(ER_TEXTFILE_NOT_READABLE, MYF(0), file_name->c_ptr()); */
goto err;
}
if (stat_info.st_size > (long) current_session->variables.max_allowed_packet)
{
push_warning_printf(current_session, DRIZZLE_ERROR::WARN_LEVEL_WARN,
ER_WARN_ALLOWED_PACKET_OVERFLOWED,
ER(ER_WARN_ALLOWED_PACKET_OVERFLOWED),
func_name(), current_session->variables.max_allowed_packet);
goto err;
}
if (tmp_value.alloc(stat_info.st_size))
goto err;
if ((file = my_open(file_name->c_ptr(), O_RDONLY, MYF(0))) < 0)
goto err;
if (my_read(file, (unsigned char*) tmp_value.ptr(), stat_info.st_size, MYF(MY_NABP)))
{
my_close(file, MYF(0));
goto err;
}
tmp_value.length(stat_info.st_size);
my_close(file, MYF(0));
null_value = 0;
return(&tmp_value);
err:
null_value = 1;
return(0);
}
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