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/* -*- Mode: C; tab-width: 4 -*-
*
* Copyright (c) 2003-2004, Apple Computer, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Change History (most recent first):
$Log: dnssd_ipc.c,v $
Revision 1.16 2006/08/14 23:05:53 cheshire
Added "tab-width" emacs header line
Revision 1.15 2005/01/27 22:57:56 cheshire
Fix compile errors on gcc4
Revision 1.14 2004/10/06 02:22:20 cheshire
Changed MacRoman copyright symbol (should have been UTF-8 in any case :-) to ASCII-compatible "(c)"
Revision 1.13 2004/10/01 22:15:55 rpantos
rdar://problem/3824265: Replace APSL in client lib with BSD license.
Revision 1.12 2004/09/16 23:14:24 cheshire
Changes for Windows compatibility
Revision 1.11 2004/06/18 04:56:09 rpantos
casting goodness
Revision 1.10 2004/06/12 01:08:14 cheshire
Changes for Windows compatibility
Revision 1.9 2004/05/18 23:51:27 cheshire
Tidy up all checkin comments to use consistent "<rdar://problem/xxxxxxx>" format for bug numbers
Revision 1.8 2003/11/05 22:44:57 ksekar
<rdar://problem/3335230>: No bounds checking when reading data from client
Reviewed by: Stuart Cheshire
Revision 1.7 2003/08/12 19:56:25 cheshire
Update to APSL 2.0
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "dnssd_ipc.h"
void put_long(const uint32_t l, char **ptr)
{
(*ptr)[0] = (char)((l >> 24) & 0xFF);
(*ptr)[1] = (char)((l >> 16) & 0xFF);
(*ptr)[2] = (char)((l >> 8) & 0xFF);
(*ptr)[3] = (char)((l ) & 0xFF);
*ptr += sizeof(uint32_t);
}
uint32_t get_long(char **ptr)
{
uint8_t *p = (uint8_t*) *ptr;
*ptr += sizeof(uint32_t);
return((uint32_t) ((uint32_t)p[0] << 24 | (uint32_t)p[1] << 16 | (uint32_t)p[2] << 8 | p[3]));
}
void put_short(uint16_t s, char **ptr)
{
(*ptr)[0] = (char)((s >> 8) & 0xFF);
(*ptr)[1] = (char)((s ) & 0xFF);
*ptr += sizeof(uint16_t);
}
uint16_t get_short(char **ptr)
{
uint8_t *p = (uint8_t*) *ptr;
*ptr += sizeof(uint16_t);
return((uint16_t) ((uint16_t)p[0] << 8 | p[1]));
}
int put_string(const char *str, char **ptr)
{
if (!str) str = "";
strcpy(*ptr, str);
*ptr += strlen(str) + 1;
return 0;
}
int get_string(char **ptr, char *buffer, int buflen)
{
int overrun = (int)strlen(*ptr) < buflen ? 0 : -1;
strncpy(buffer, *ptr, buflen - 1);
buffer[buflen - 1] = '\0';
*ptr += strlen(buffer) + 1;
return overrun;
}
void put_rdata(const int rdlen, const unsigned char *rdata, char **ptr)
{
memcpy(*ptr, rdata, rdlen);
*ptr += rdlen;
}
char *get_rdata(char **ptr, int rdlen)
{
char *rd = *ptr;
*ptr += rdlen;
return rd;
}
void ConvertHeaderBytes(ipc_msg_hdr *hdr)
{
hdr->version = htonl(hdr->version);
hdr->datalen = htonl(hdr->datalen);
hdr->flags = htonl(hdr->flags);
hdr->op = htonl(hdr->op );
hdr->reg_index = htonl(hdr->reg_index);
}
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