// Frees a block of memory...
//
void Z_Free(void *pvAddress)
{
zoneHeader_t *pMemory = ((zoneHeader_t *)pvAddress) - 1;
if (pMemory->eTag == TAG_STATIC)
{
return;
}
#ifdef DETAILED_ZONE_DEBUG_CODE
//
// check this error *before* barfing on bad magics...
//
int& iAllocCount = mapAllocatedZones[pMemory];
if (iAllocCount <= 0)
{
Com_Error(ERR_FATAL, "Z_Free(): Block already-freed, or not allocated through Z_Malloc!");
return;
}
#endif
if (pMemory->iMagic != ZONE_MAGIC)
{
Com_Error(ERR_FATAL, "Z_Free(): Corrupt zone header!");
return;
}
if (ZoneTailFromHeader(pMemory)->iMagic != ZONE_MAGIC)
{
Com_Error(ERR_FATAL, "Z_Free(): Corrupt zone tail!");
return;
}
Zone_FreeBlock(pMemory);
}
// Frees all blocks with the specified tag...
//
void Z_TagFree(memtag_t eTag)
{
//#ifdef _DEBUG
// int iZoneBlocks = TheZone.Stats.iCount;
//#endif
zoneHeader_t *pMemory = TheZone.Header.pNext;
while (pMemory)
{
zoneHeader_t *pNext = pMemory->pNext;
if ( (eTag == TAG_ALL) || (pMemory->eTag == eTag))
{
Zone_FreeBlock(pMemory);
}
pMemory = pNext;
}
// these stupid pragmas don't work here???!?!?!
//
//#ifdef _DEBUG
//#pragma warning( disable : 4189)
// int iBlocksFreed = iZoneBlocks - TheZone.Stats.iCount;
//#pragma warning( default : 4189)
//#endif
}
// Frees a block of memory...
//
int Z_Free(void *pvAddress)
{
if (!TheZone.Stats.iCount)
{
//Com_Error(ERR_FATAL, "Z_Free(): Zone has been cleard already!");
Com_Printf("Z_Free(%x): Zone has been cleard already!\n",pvAddress);
return -1;
}
zoneHeader_t *pMemory = ((zoneHeader_t *)pvAddress) - 1;
#if 1 //debugging double free
if (pMemory->iMagic == 'FREE')
{
Com_Error(ERR_FATAL, "Z_Free(%s): Block already-freed, or not allocated through Z_Malloc!",pvAddress);
return -1;
}
#endif
if (pMemory->eTag == TAG_STATIC)
{
return 0;
}
#ifdef DETAILED_ZONE_DEBUG_CODE
//
// check this error *before* barfing on bad magics...
//
int& iAllocCount = mapAllocatedZones[pMemory];
if (iAllocCount <= 0)
{
Com_Error(ERR_FATAL, "Z_Free(): Block already-freed, or not allocated through Z_Malloc!");
return -1;
}
#endif
if (pMemory->iMagic != ZONE_MAGIC)
{
Com_Error(ERR_FATAL, "Z_Free(): Corrupt zone header!");
return -1;
}
if (ZoneTailFromHeader(pMemory)->iMagic != ZONE_MAGIC)
{
Com_Error(ERR_FATAL, "Z_Free(): Corrupt zone tail!");
return -1;
}
return Zone_FreeBlock(pMemory);
}
// Frees a block of memory...
//
void Z_Free(void *pvAddress)
{
if (pvAddress == NULL) // I've put this in as a safety measure because of some bits of #ifdef BSPC stuff -Ste.
{
//Com_Error(ERR_FATAL, "Z_Free(): NULL arg");
return;
}
zoneHeader_t *pMemory = ((zoneHeader_t *)pvAddress) - 1;
if (pMemory->eTag == TAG_STATIC)
{
return;
}
#ifdef DETAILED_ZONE_DEBUG_CODE
//
// check this error *before* barfing on bad magics...
//
int& iAllocCount = mapAllocatedZones[pMemory];
if (iAllocCount <= 0)
{
Com_Error(ERR_FATAL, "Z_Free(): Block already-freed, or not allocated through Z_Malloc!");
return;
}
#endif
if (pMemory->iMagic != ZONE_MAGIC)
{
Com_Error(ERR_FATAL, "Z_Free(): Corrupt zone header!");
return;
}
if (ZoneTailFromHeader(pMemory)->iMagic != ZONE_MAGIC)
{
Com_Error(ERR_FATAL, "Z_Free(): Corrupt zone tail!");
return;
}
Zone_FreeBlock(pMemory);
}
