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Code Issues Releases Wiki Activity

Fixed a crash with negative hash ids (made them unsigned)

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This commit is contained in:
Klaus Schmidinger 2005-05-29 10:24:54 +02:00
parent 1e63fa4174
commit 1f631bf667
2 changed files with 15 additions and 15 deletions
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12
tools.c
View File

@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: tools.c 1.94 2005/05/28 11:46:44 kls Exp $
* $Id: tools.c 1.95 2005/05/29 10:18:26 kls Exp $
*/
#include "tools.h"
@ -1075,15 +1075,15 @@ cHashBase::~cHashBase(void)
free(hashTable);
}
void cHashBase::Add(cListObject *Object, int Id)
void cHashBase::Add(cListObject *Object, unsigned int Id)
{
int hash = hashfn(Id);
unsigned int hash = hashfn(Id);
if (!hashTable[hash])
hashTable[hash] = new cList<cHashObject>;
hashTable[hash]->Add(new cHashObject(Object, Id));
}
void cHashBase::Del(cListObject *Object, int Id)
void cHashBase::Del(cListObject *Object, unsigned int Id)
{
cList<cHashObject> *list = hashTable[hashfn(Id)];
if (list) {
@ -1096,7 +1096,7 @@ void cHashBase::Del(cListObject *Object, int Id)
}
}
cListObject *cHashBase::Get(int Id) const
cListObject *cHashBase::Get(unsigned int Id) const
{
cList<cHashObject> *list = hashTable[hashfn(Id)];
if (list) {
@ -1108,7 +1108,7 @@ cListObject *cHashBase::Get(int Id) const
return NULL;
}
cList<cHashObject> *cHashBase::GetList(int Id) const
cList<cHashObject> *cHashBase::GetList(unsigned int Id) const
{
return hashTable[hashfn(Id)];
}

18
tools.h
View File

@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: tools.h 1.71 2005/05/28 11:24:49 kls Exp $
* $Id: tools.h 1.72 2005/05/29 10:24:54 kls Exp $
*/
#ifndef __TOOLS_H
@ -239,25 +239,25 @@ public:
class cHashObject : public cListObject {
friend class cHashBase;
private:
int id;
unsigned int id;
cListObject *object;
public:
cHashObject(cListObject *Object, int Id) { object = Object; id = Id; }
cHashObject(cListObject *Object, unsigned int Id) { object = Object; id = Id; }
};
class cHashBase {
private:
cList<cHashObject> **hashTable;
int size;
int hashfn(int Id) const { return Id % size; }
unsigned int hashfn(unsigned int Id) const { return Id % size; }
protected:
cHashBase(int Size);
public:
virtual ~cHashBase();
void Add(cListObject *Object, int Id);
void Del(cListObject *Object, int Id);
cListObject *Get(int Id) const;
cList<cHashObject> *GetList(int Id) const;
void Add(cListObject *Object, unsigned int Id);
void Del(cListObject *Object, unsigned int Id);
cListObject *Get(unsigned int Id) const;
cList<cHashObject> *GetList(unsigned int Id) const;
};
#define HASHSIZE 512
@ -265,7 +265,7 @@ public:
template<class T> class cHash : public cHashBase {
public:
cHash(int Size = HASHSIZE) : cHashBase(Size) {}
T *Get(int Id) const { return (T *)cHashBase::Get(Id); }
T *Get(unsigned int Id) const { return (T *)cHashBase::Get(Id); }
};
#endif //__TOOLS_H