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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems
*
* 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 <drizzled/server_includes.h>
#include CSTDINT_H
#include <drizzled/function/str/user.h>
#include <drizzled/session.h>
/**
@todo
make USER() replicate properly (currently it is replicated to "")
*/
bool Item_func_user::init(const char *user, const char *host)
{
assert(fixed == 1);
// For system threads (e.g. replication SQL thread) user may be empty
if (user)
{
const CHARSET_INFO * const cs= str_value.charset();
uint32_t res_length= (strlen(user)+strlen(host)+2) * cs->mbmaxlen;
if (str_value.alloc(res_length))
{
null_value=1;
return true;
}
res_length=cs->cset->snprintf(cs, (char*)str_value.ptr(), res_length,
"%s@%s", user, host);
str_value.length(res_length);
str_value.mark_as_const();
}
return false;
}
bool Item_func_user::fix_fields(Session *session, Item **ref)
{
return (Item_str_func::fix_fields(session, ref) ||
init(session->security_ctx.user.c_str(),
session->security_ctx.ip.c_str()));
}
bool Item_func_current_user::fix_fields(Session *session, Item **ref)
{
if (Item_str_func::fix_fields(session, ref))
return true;
Security_context *ctx= &session->security_ctx;
return init(ctx->user.c_str(), ctx->ip.c_str());
}
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