PHYSFS_Allocator(3)

NAME
PHYSFS_Allocator - PhysicsFS allocation function pointers.

SYNOPSIS

#include <physfs.h>

  Data Fields
int(* Init )(void)
void(* Deinit )(void)
void *(* Malloc )(PHYSFS_uint64)
void *(* Realloc )(void *, PHYSFS_uint64)
void(* Free )(void *)

Detailed Description

PhysicsFS allocation function pointers. (This is for limited, hardcore use. If you don't immediately see a need for it, you can probably ignore this forever.)

You create one of these structures for use with PHYSFS_setAllocator. Allocators are assumed to be reentrant by the caller; please mutex accordingly.

Allocations are always discussed in 64-bits, for future expansion...we're on the cusp of a 64-bit transition, and we'll probably be allocating 6 gigabytes like it's nothing sooner or later, and I don't want to change this again at that point. If you're on a 32-bit platform and have to downcast, it's okay to return NULL if the allocation is greater than 4 gigabytes, since you'd have to do so anyhow.

See also:
    PHYSFS_setAllocator

Field Documentation

  void(* PHYSFS_Allocator::Deinit) (void)
Deinitialize your allocator. Can be NULL.

  void(* PHYSFS_Allocator::Free) (void *)
Free memory from Malloc or Realloc.

  int(* PHYSFS_Allocator::Init) (void)
Initialize. Can be NULL. Zero on failure.

  void*(* PHYSFS_Allocator::Malloc) (PHYSFS_uint64)
Allocate like malloc().

  void*(* PHYSFS_Allocator::Realloc) (void *, PHYSFS_uint64)
Reallocate like realloc().

Author

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