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//-----------------------------------------------------------------------------
//
// ImageLib Sources
// Copyright (C) 2000-2002 by Denton Woods
// Last modified: 06/13/2002 <--Y2K Compliant! =]
//
// Filename: src-IL/src/il_alloc.c
//
// Description: File handling for DevIL
//
//-----------------------------------------------------------------------------
#define __ALLOC_C
#include "il_internal.h"
//#include <stdlib.h>
//mAlloc ialloc;
//mFree ifree;
ILvoid* ILAPIENTRY DefaultAllocFunc(ILuint Size)
{
return malloc(Size);
}
ILvoid* ILAPIENTRY ialloc(ILuint Size)
{
ILvoid *Ptr;
Ptr = ialloc_ptr(Size);
if (Ptr == NULL)
ilSetError(IL_OUT_OF_MEMORY);
return Ptr;
}
ILvoid ILAPIENTRY ifree(ILvoid *Ptr)
{
ifree_ptr(Ptr);
return;
}
ILvoid ILAPIENTRY DefaultFreeFunc(ILvoid *Ptr)
{
if (Ptr)
free(Ptr);
return;
}
ILvoid ILAPIENTRY ilResetMemory()
{
ialloc_ptr = DefaultAllocFunc;
ifree_ptr = DefaultFreeFunc;
return;
}
ILvoid ILAPIENTRY ilSetMemory(mAlloc AllocFunc, mFree FreeFunc)
{
if (AllocFunc == NULL || FreeFunc == NULL) {
ilSetError(IL_INVALID_PARAM);
return;
}
ialloc_ptr = AllocFunc;
ifree_ptr = FreeFunc;
return;
}
/*#if defined(_WIN32) && defined(_MEM_DEBUG)
#include <windows.h>
int bAtexit = 0;
typedef struct ALLOC_INFO
{
unsigned long address;
unsigned long size;
char file[64];
unsigned long line;
struct ALLOC_INFO *Next;
} ALLOC_INFO;
ALLOC_INFO *AllocList;
void AddTrack(unsigned long addr, unsigned long size, const char *file, unsigned long line)
{
ALLOC_INFO *Temp;
if (AllocList == NULL) {
AllocList = (ALLOC_INFO*)malloc(sizeof(ALLOC_INFO)); // Just assume it succeeds.
AllocList->address = addr;
AllocList->size = size;
AllocList->line = line;
strncpy(AllocList->file, file, 63);
AllocList->Next = NULL;
}
else {
Temp = AllocList;
AllocList = (ALLOC_INFO*)malloc(sizeof(ALLOC_INFO)); // Just assume it succeeds.
AllocList->address = addr;
AllocList->size = size;
AllocList->line = line;
strncpy(AllocList->file, file, 63);
AllocList->Next = Temp;
}
return;
}
void RemoveTrack(unsigned long addr)
{
ALLOC_INFO *Temp, *Prev;
Temp = AllocList;
Prev = NULL;
if (Temp == NULL)
return;
while (Temp != NULL) {
if (Temp->address == addr) {
if (Prev == NULL) {
AllocList = Temp->Next;
free(Temp);
}
else {
Prev->Next = Temp->Next;
free(Temp);
}
break;
}
Prev = Temp;
Temp = Temp->Next;
}
return;
}
void DumpUnfreed(void)
{
unsigned long TotalSize = 0;
char buf[1024];
ALLOC_INFO *i = AllocList;
OutputDebugString("DevIL Unfreed Information:\n");
while (i != NULL) {
sprintf(buf, "%s(%d) : %d bytes unfreed at %d\n", i->file, i->line, i->size, i->address);
OutputDebugString(buf);
TotalSize += i->size;
AllocList = i->Next;
free(i);
i = AllocList;
}
sprintf(buf, "-----------------------------------------------------------\n");
OutputDebugString(buf);
sprintf(buf, "Total Unfreed: %d bytes\n\n\n", TotalSize);
OutputDebugString(buf);
}
void AddToAtexit()
{
if (bAtexit)
return;
atexit(DumpUnfreed);
bAtexit = 1;
}
void *c_alloc(unsigned long size, unsigned long num, const char *file, unsigned long line)
{
void *ptr;
ptr = calloc(size, num);
if (!ptr)
return NULL;
AddToAtexit();
AddTrack((unsigned long)ptr, size * num, file, line);
return ptr;
}
void *m_alloc(unsigned long size, const char *file, unsigned long line)
{
void *ptr;
ptr = malloc(size);
if (!ptr)
return NULL;
AddToAtexit();
AddTrack((unsigned long)ptr, size, file, line);
return ptr;
}
void f_ree(void *ptr)
{
RemoveTrack((unsigned long)ptr);
free(ptr);
return;
}
#endif//defined(_WIN32) && defined(_MEM_DEBUG)*/
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