---
name: "ACE_Obchunk"
section: "3"
platform: "linux"
package: "libace-doc"
version: "5.0.7-4"
release: "Debian 2.2 (Potato)"
platforms: ["linux"]
url: "https://new.carta.tech/ACE_Obchunk"
---

# ACE\_Obchunk(3)

Defines the state that represents a "chunk" of memory.

## NAME

ACE\_Obchunk -  Defines the state that represents a "chunk" of memory.

## SYNOPSIS

```
#include <ace/Obstack.h>
class ACE_Obchunk
{
  public:
    friend class ACE_Obstack;
    ACE_Obchunk (size_t size);
    ~ACE_Obchunk (void);
    void dump (void) const;
    ACE_ALLOC_HOOK_DECLARE;
  private:
    char *end_;
    char *cur_;
    ACE_Obchunk *next_;
    char contents_[4];
};
```

## PUBLIC MEMBERS

```
friend class ACE_Obstack;
```

```
ACE_Obchunk (size_t size);
```

Constructor.

```
~ACE_Obchunk (void);
```

dtor.

```
void dump (void) const;
```

Dump the state of an object.

```
ACE_ALLOC_HOOK_DECLARE;
```

Declare the dynamic allocation hooks.

## PRIVATE MEMBERS

```
char *end_;
```

Pointer to the end of the chunk.

```
char *cur_;
```

Pointer to the current location in the chunk.

```
ACE_Obchunk *next_;
```

Next chunk in the chain.

```
char contents_[4];
```

Pointer to the beginning contents of this chunk.  This field is actually overlayed by the memory allocated by ACE\_Obstack::new\_chunk.  Therefore, it \*must\* come last.

## AUTHOR

Doug Schmidt

## LIBRARY

ace