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971.7.10
by Eric Day
Duplicated oldlibdrizzle module, one for Drizzle protocol and one for MySQL, per Brian's request from merge proposal. Port options are now --drizzle-protocol-port and --mysql-protocol-port. |
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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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* Copyright (C) 2008 Sun Microsystems, Inc.
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*
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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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*
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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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*
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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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*/
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||
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1241.9.1
by Monty Taylor
Removed global.h. Fixed all the headers. |
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#include "config.h" |
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971.7.10
by Eric Day
Duplicated oldlibdrizzle module, one for Drizzle protocol and one for MySQL, per Brian's request from merge proposal. Port options are now --drizzle-protocol-port and --mysql-protocol-port. |
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#include <drizzled/korr.h> |
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#include <stdint.h> |
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#include "pack.h" |
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/* Get the length of next field. Change parameter to point at fieldstart */
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uint32_t drizzleclient_net_field_length(unsigned char **packet) |
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{
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register unsigned char *pos= (unsigned char *)*packet; |
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if (*pos < 251) |
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{
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(*packet)++; |
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return (uint32_t) *pos; |
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}
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if (*pos == 251) |
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{
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(*packet)++; |
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return NULL_LENGTH; |
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}
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if (*pos == 252) |
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{
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(*packet)+=3; |
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return (uint32_t) uint2korr(pos+1); |
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}
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if (*pos == 253) |
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{
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(*packet)+=4; |
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return (uint32_t) uint3korr(pos+1); |
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}
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(*packet)+=9; /* Must be 254 when here */ |
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return (uint32_t) uint4korr(pos+1); |
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}
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/* The same as above but returns int64_t */
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uint64_t drizzleclient_drizzleclient_net_field_length_ll(unsigned char **packet) |
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{
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register unsigned char *pos= *packet; |
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if (*pos < 251) |
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{
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(*packet)++; |
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return (uint64_t) *pos; |
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}
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if (*pos == 251) |
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{
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(*packet)++; |
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return (uint64_t) NULL_LENGTH; |
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}
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if (*pos == 252) |
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{
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(*packet)+=3; |
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return (uint64_t) uint2korr(pos+1); |
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}
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if (*pos == 253) |
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{
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(*packet)+=4; |
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return (uint64_t) uint3korr(pos+1); |
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}
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(*packet)+=9; /* Must be 254 when here */ |
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#ifdef NO_CLIENT_LONGLONG
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return (uint64_t) uint4korr(pos+1); |
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#else
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return (uint64_t) uint8korr(pos+1); |
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#endif
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}
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/*
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Store an integer with simple packing into a output package
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SYNOPSIS
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drizzleclient_net_store_length()
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pkg Store the packed integer here
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length integers to store
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NOTES
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This is mostly used to store lengths of strings.
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We have to cast the result for the LL() becasue of a bug in Forte CC
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compiler.
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RETURN
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Position in 'pkg' after the packed length
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*/
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unsigned char *drizzleclient_net_store_length(unsigned char *packet, uint64_t length) |
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{
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if (length < (uint64_t) 251LL) |
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{
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*packet=(unsigned char) length; |
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return packet+1; |
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}
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/* 251 is reserved for NULL */
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if (length < (uint64_t) 65536LL) |
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{
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*packet++=252; |
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int2store(packet,(uint32_t) length); |
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return packet+2; |
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}
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if (length < (uint64_t) 16777216LL) |
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{
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*packet++=253; |
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int3store(packet,(uint32_t) length); |
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return packet+3; |
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}
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*packet++=254; |
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int8store(packet,length); |
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return packet+8; |
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}
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