void *pov_malloc(size_t size, const char *file, int line, const char *msg)
{
void *block;
size_t totalsize;
#if defined(MEM_HEADER)
MEMNODE *node;
#endif
#if defined(MEM_PREFILL) || defined(MEM_GUARD)
char *memptr;
size_t i;
#endif
#if defined(MEM_HEADER)
if (size == 0)
{
Error("Attempt to malloc zero size block (File: %s Line: %d).", file, line);
}
#endif
totalsize = size + NODESIZE + (MEM_GUARD_SIZE * 2); /* number of bytes allocated in OS */
block = (void *)MALLOC(totalsize);
if (block == NULL)
MAError(msg, size);
#if defined(MEM_HEADER)
node = (MEMNODE *) block;
#endif
#if defined(MEM_TAG)
node->tag = MEMTAG_VALUE;
#endif
#if defined(MEM_TRACE) || defined(MEM_STATS)
node->size = totalsize;
#endif
#if defined(MEM_TRACE)
node->file = file;
node->line = line;
#endif
#if defined(MEM_PREFILL)
memptr = (char *)block + NODESIZE + MEM_GUARD_SIZE;
for(i = 0; i < size; i++)
memptr[i] = mem_prefill_string[i % mem_prefill_string_len];
#endif
#if defined(MEM_GUARD)
memptr = (char *)block + NODESIZE;
for(i = 0; i < MEM_GUARD_SIZE; i++)
memptr[i] = mem_guard_string[i % mem_guard_string_len];
memptr = (char *)block + ((MEMNODE *)block)->size - MEM_GUARD_SIZE;
for(i = 0; i < MEM_GUARD_SIZE; i++)
memptr[i] = mem_guard_string[i % mem_guard_string_len];
#endif
#if defined(MEM_RECLAIM)
add_node(node);
#endif
#if defined(MEM_STATS)
mem_stats_alloc(totalsize, file, line);
#endif
return (void *)((char *)block + NODESIZE + MEM_GUARD_SIZE);
}
void *pov_realloc(void *ptr, size_t size, const char *file, int line, const char *msg)
{
void *block;
#if defined(MEM_STATS)
size_t oldsize;
#endif
#if defined(MEM_HEADER)
MEMNODE *node;
#endif
#if defined(MEM_RECLAIM)
MEMNODE *prev;
MEMNODE *next;
#endif
#if defined(MEM_PREFILL) || defined(MEM_GUARD)
char *memptr;
size_t i;
#endif
if (size == 0)
{
if (ptr)
pov_free(ptr, file, line);
return NULL;
}
else if (ptr == NULL)
return pov_malloc(size, file, line, msg);
block = (void *)((char *)ptr - NODESIZE - MEM_GUARD_SIZE);
#if defined(MEM_GUARD)
memptr = (char *)block + NODESIZE;
for(i = 0; i < MEM_GUARD_SIZE; i++)
{
if(memptr[i] != mem_guard_string[i % mem_guard_string_len])
{
Warning(0, "Damaged start guard detected in resized block (File: %s Line: %d).", file, line);
break;
}
}
memptr = (char *)block + ((MEMNODE *)block)->size - MEM_GUARD_SIZE;
for(i = 0; i < MEM_GUARD_SIZE; i++)
{
if(memptr[i] != mem_guard_string[i % mem_guard_string_len])
{
Warning(0, "Damaged end guard detected in resized block (File: %s Line: %d).", file, line);
break;
}
}
#endif
#if defined(MEM_HEADER)
node = (MEMNODE *) block;
#endif
#if defined(MEM_TAG)
if (node->tag != MEMTAG_VALUE)
Error("Attempt to realloc invalid block (File: %s Line: %d).", file, line);
node->tag = ~node->tag;
#endif
#if defined(MEM_RECLAIM)
prev = node->prev;
next = node->next;
#endif
#if defined(MEM_STATS)
oldsize = ((MEMNODE *)block)->size;
#if defined(MEM_PREFILL)
memptr = (char *)block + NODESIZE + MEM_GUARD_SIZE;
for(i = size; i < oldsize - NODESIZE - (MEM_GUARD_SIZE * 2); i++)
memptr[i] = mem_clear_string[i % mem_clear_string_len];
#endif
#endif
block = (void *)REALLOC(block, NODESIZE + (MEM_GUARD_SIZE * 2) + size);
if (block == NULL)
MAError(msg, size);
#if defined(MEM_STATS)
/* REALLOC does an implied FREE... */
mem_stats_free(oldsize);
/* ...and an implied MALLOC... */
mem_stats_alloc(NODESIZE + (MEM_GUARD_SIZE * 2) + size, file, line);
#if defined(MEM_PREFILL)
memptr = (char *)block + NODESIZE + MEM_GUARD_SIZE;
for(i = oldsize - NODESIZE - (MEM_GUARD_SIZE * 2); i < size; i++)
memptr[i] = mem_prefill_string[i % mem_prefill_string_len];
#endif
#endif
#if defined(MEM_HEADER)
node = (MEMNODE *) block;
#endif
#if defined(MEM_TAG)
node->tag = MEMTAG_VALUE;
#endif
#if defined(MEM_TRACE) || defined(MEM_STATS)
node->size = size + NODESIZE + (MEM_GUARD_SIZE * 2);
#endif
#if defined(MEM_TRACE)
node->file = file;
node->line = line;
#endif
#if defined(MEM_GUARD)
memptr = (char *)block + NODESIZE;
for(i = 0; i < MEM_GUARD_SIZE; i++)
memptr[i] = mem_guard_string[i % mem_guard_string_len];
memptr = (char *)block + ((MEMNODE *)block)->size - MEM_GUARD_SIZE;
for(i = 0; i < MEM_GUARD_SIZE; i++)
memptr[i] = mem_guard_string[i % mem_guard_string_len];
#endif
#if defined(MEM_RECLAIM)
if (prev == NULL)
memlist = node;
else
prev->next = node;
if (node->next != NULL)
node->next->prev = node;
if (next != NULL)
next->prev = node;
#endif
return (void *)((char *)block + NODESIZE + MEM_GUARD_SIZE);
}
void *pov_malloc(size_t size, const char *file, int line, const char *msg)
{
void *block;
size_t totalsize;
#if defined(MEM_HEADER)
MEMNODE *node;
#endif
#if defined(MEM_PREFILL) || defined(MEM_GUARD)
char *memptr;
size_t i;
#endif
#if defined(MEM_HEADER)
if (size == 0)
{
// TODO MESSAGE Error("Attempt to malloc zero size block (File: %s Line: %d).", file, line);
}
#endif
totalsize = size + NODESIZE + (MEM_GUARD_SIZE * 2); /* number of bytes allocated in OS */
block = reinterpret_cast<void *>(MALLOC(totalsize));
if (block == NULL)
throw std::bad_alloc();; // TODO FIXME !!! // Parser::MAError(msg, (int)size);
#if defined(MEM_HEADER)
node = reinterpret_cast<MEMNODE *>(block);
#endif
#if defined(MEM_TAG)
node->tag = MEMTAG_VALUE;
#endif
#if defined(MEM_TRACE) || defined(MEM_STATS)
node->size = totalsize;
#endif
#if defined(MEM_TRACE)
node->file = file;
node->line = line;
#endif
#if defined(MEM_PREFILL)
memptr = reinterpret_cast<char *>(block) + NODESIZE + MEM_GUARD_SIZE;
for(i = 0; i < size; i++)
memptr[i] = mem_prefill_string[i % mem_prefill_string_len];
#endif
#if defined(MEM_GUARD)
memptr = reinterpret_cast<char *>(block) + NODESIZE;
for(i = 0; i < MEM_GUARD_SIZE; i++)
memptr[i] = mem_guard_string[i % mem_guard_string_len];
memptr = reinterpret_cast<char *>(block) + (reinterpret_cast<MEMNODE *>(block))->size - MEM_GUARD_SIZE;
for(i = 0; i < MEM_GUARD_SIZE; i++)
memptr[i] = mem_guard_string[i % mem_guard_string_len];
#endif
#if defined(MEM_RECLAIM)
add_node(node);
#endif
#if defined(MEM_STATS)
mem_stats_alloc(totalsize, file, line);
#endif
return reinterpret_cast<void *>(reinterpret_cast<char *>(block) + NODESIZE + MEM_GUARD_SIZE);
}