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/*\
* $XConsortium: storage.c,v 1.2 94/04/04 15:31:27 rws Exp $
*
* COPYRIGHT 1990
* DIGITAL EQUIPMENT CORPORATION
* MAYNARD, MASSACHUSETTS
* ALL RIGHTS RESERVED.
*
* THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE AND
* SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT CORPORATION.
* DIGITAL MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THIS SOFTWARE
* FOR ANY PURPOSE. IT IS SUPPLIED "AS IS" WITHOUT EXPRESS OR IMPLIED
* WARRANTY.
*
* IF THE SOFTWARE IS MODIFIED IN A MANNER CREATING DERIVATIVE COPYRIGHT
* RIGHTS, APPROPRIATE LEGENDS MAY BE PLACED ON THE DERIVATIVE WORK IN
* ADDITION TO THAT SET FORTH ABOVE.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Digital Equipment Corporation not be
* used in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission.
\*/
#define DEBUG_VAR genDebug
#include "utils.h"
#include "storagestr.h"
/***====================================================================***/
int
genHashString(inKey)
GenKey inKey;
{
char *key= (char *)inKey;
int total;
uENTRY1("genHashString(%s)\n",key);
total= *key++;
if (*key) total|= (((int)(*key++))<<16)&0x00ff0000;
if (*key) total|= (((int)(*key++))<<8)&0x0000ff00;
if (*key) total|= (((int)(*key++))<<24)&0xff000000;
uRETURN(total);
}
GenData
genReplaceFreedStringData( newDataIn, ppOldDataIn )
GenData newDataIn;
GenData * ppOldDataIn;
{
char *newData= (char *)newDataIn;
char **ppOldData= (char **)ppOldDataIn;
uENTRY3("genReplaceStringData(%s,0x%x(%s))\n",newData,ppOldData,
*ppOldData);
if ((ppOldData)&&(*ppOldData)) {
uFree((Opaque)*ppOldData);
*ppOldData= NULL;
}
uRETURN((GenData)uStringDup(newData));
}
GenData
genReplaceFreedPointerData( newDataIn, ppOldDataIn )
GenData newDataIn;
GenData * ppOldDataIn;
{
char *newData= (char *)newDataIn;
char **ppOldData= (char **)ppOldDataIn;
uENTRY2("genReplacePointerData(%s,0x%x)\n",newData,ppOldData);
if ((ppOldData)&&(*ppOldData)) {
uFree((Opaque)*ppOldData);
*ppOldData= NULL;
}
uRETURN((GenData)newData);
}
Comparison
genCompareStringKey( key1, key2 )
GenKey key1;
GenKey key2;
{
char *str1= (char *)key1;
char *str2= (char *)key2;
uENTRY2("genCompareStringKey(%s,%s)\n",uStringText(str1),uStringText(str2));
uRETURN(uStringCompare(str1,str2));
}
GenData
genDupStringData( data )
GenData data;
{
char *str= (char *)data;
uENTRY1("genDupStringData(%s)\n",uStringText(str));
str= (char *)uStringDup(str);
uRETURN((GenData)str);
}
void
genFreeKey( key )
GenKey key;
{
uENTRY1("genFreeKey(0x%x)\n",key);
uFree((Opaque)key);
uVOIDRETURN;
}
GenData
genFreeData( data )
GenData data;
{
uENTRY1("genFreeData(0x%x)\n",data);
uFree((Opaque)data);
uRETURN(data);
}
/***====================================================================***/
static GenKeyDescRec genFreedStringKeyTypeRec= {
(HashFunc)genHashString,
(CompareKeyFunc)genCompareStringKey,
(StoreKeyFunc)genDupStringData,
(RemoveKeyFunc)genFreeKey,
(GenKey)NULL
};
static GenKeyDescRec genStringKeyTypeRec= {
(HashFunc)genHashString,
(CompareKeyFunc)genCompareStringKey,
(StoreKeyFunc)NULL,
(RemoveKeyFunc)NULL,
(GenKey)NULL
};
static GenKeyDescRec genIntegerKeyTypeRec= {
(HashFunc)NULL,
(CompareKeyFunc)NULL,
(StoreKeyFunc)NULL,
(RemoveKeyFunc)NULL,
(GenKey)-1
};
static GenKeyDescRec genXResourceKeyTypeRec= {
(HashFunc)NULL,
(CompareKeyFunc)NULL,
(StoreKeyFunc)NULL,
(RemoveKeyFunc)NULL,
(GenKey)0 /* should be None */
};
GenKeyDescPtr genStringKeyType= &genStringKeyTypeRec;
GenKeyDescPtr genFreedStringKeyType= &genFreedStringKeyTypeRec;
GenKeyDescPtr genIntegerKeyType= &genIntegerKeyTypeRec;
GenKeyDescPtr genXResourceKeyType= &genXResourceKeyTypeRec;
GenKeyDescPtr genDefaultKeyType= &genFreedStringKeyTypeRec;
static GenDataDescRec genFreedStringDataTypeRec= {
(StoreDataFunc)genDupStringData,
(ReplaceDataFunc)genReplaceFreedStringData,
(RemoveDataFunc)genFreeData,
(GenData)NULL,
};
static GenDataDescRec genPointerDataTypeRec= {
(StoreDataFunc)NULL,
(ReplaceDataFunc)NULL,
(RemoveDataFunc)NULL,
(GenData)NULL,
};
static GenDataDescRec genFreedPointerDataTypeRec= {
(StoreDataFunc)NULL,
(ReplaceDataFunc)genReplaceFreedPointerData,
(RemoveDataFunc)genFreeData,
(GenData)NULL,
};
static GenDataDescRec genIntegerDataTypeRec= {
(StoreDataFunc)NULL,
(ReplaceDataFunc)NULL,
(RemoveDataFunc)NULL,
(GenData)-1,
};
static GenDataDescRec genXResourceDataTypeRec= {
(StoreDataFunc)NULL,
(ReplaceDataFunc)NULL,
(RemoveDataFunc)NULL,
(GenData)0, /* should be None */
};
GenDataDescPtr genFreedStringDataType= &genFreedStringDataTypeRec;
GenDataDescPtr genPointerDataType= &genPointerDataTypeRec;
GenDataDescPtr genFreedPointerDataType= &genFreedPointerDataTypeRec;
GenDataDescPtr genIntegerDataType= &genIntegerDataTypeRec;
GenDataDescPtr genXResourceDataType= &genXResourceDataTypeRec;
GenDataDescPtr genDefaultDataType= &genPointerDataTypeRec;
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