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/* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is Mobile Application Link.
*
* The Initial Developer of the Original Code is AvantGo, Inc.
* Portions created by AvantGo, Inc. are Copyright (C) 1997-1999
* AvantGo, Inc. All Rights Reserved.
*
* Contributor(s):
*/
/* Owner: miket */
#include <AGUtil.h>
#include <AGSynchronize.h>
int8 AGSynchronizeInt8(int8 a, int8 d, int8 r)
{
if (a != d)
return d;
else if (a != r)
return r;
return a;
}
int16 AGSynchronizeInt16(int16 a, int16 d, int16 r)
{
if (a != d)
return d;
else if (a != r)
return r;
return a;
}
int32 AGSynchronizeInt32(int32 a, int32 d, int32 r)
{
if (a != d)
return d;
else if (a != r)
return r;
return a;
}
AGBool AGSynchronizeBoolean(AGBool a, AGBool d, AGBool r)
{
if (a != d)
return d;
else if (a != r)
return r;
return a;
}
char * AGSynchronizeString(char * a, char * d, char * r)
{
if (NULL == d && NULL == r)
return NULL;
if (NULL == a) {
if (NULL != d)
return strdup(d);
else
return strdup(r);
}
if (NULL != d) {
if (strcmp(a, d))
return strdup(d);
else {
if (NULL != r) {
if (strcmp(a, r))
return strdup(r);
} else
return NULL;
}
} else
return NULL;
return strdup(a);
}
static void ag_memdup(void ** dest, int32 * destlen,
void * src, int32 srclen)
{
*dest = malloc(srclen);
if (NULL != *dest) {
memcpy(*dest, src, srclen);
*destlen = srclen;
}
else
*destlen = 0;
}
void AGSynchronizeData(void ** s, int32 * slen,
void * a, int32 alen,
void * d, int32 dlen,
void * r, int32 rlen)
{
if (NULL == d && NULL == r) {
*s = NULL;
*slen = 0;
return;
}
if (NULL == a) {
if (NULL != d)
ag_memdup(s, slen, d, dlen);
else
ag_memdup(s, slen, r, rlen);
return;
}
if (dlen != alen) {
if (0 == dlen) {
*s = NULL;
*slen = 0;
} else
ag_memdup(s, slen, d, dlen);
return;
}
if (NULL != d) {
if (memcmp(a, d, alen)) {
ag_memdup(s, slen, d, dlen);
return;
}
}
if (rlen != alen) {
if (0 == rlen) {
*s = NULL;
*slen = 0;
} else
ag_memdup(s, slen, r, rlen);
return;
}
if (NULL != r) {
if (memcmp(a, r, alen)) {
ag_memdup(s, slen, r, rlen);
return;
}
}
ag_memdup(s, slen, a, alen);
}
void AGSynchronizeStackStruct(void * s,
void * a,
void * d,
void * r,
int32 len)
{
if (memcmp(a, d, len)) {
memcpy(s, d, len);
return;
}
if (memcmp(a, r, len)) {
memcpy(s, r, len);
return;
}
memcpy(s, a, len);
}
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