alloc.h File Reference

cbmimage alloc function definitions More...

#include <stddef.h>

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Typedefs
typedef void *	cbmimage_alloc_xalloc_function_type(size_t size)
	Type for a cbmimage_i_xalloc() style callback.
typedef void *	cbmimage_alloc_xalloc_and_copy_function_type(size_t newsize, const void *oldbuffer, size_t oldsize)
	Type for a cbmimage_i_xalloc_and_copy() style callback.
typedef void	cbmimage_alloc_xfree_function_type(void *ptr)
	Type for a cbmimage_i_xfree() style callback.

Functions
void *	cbmimage_i_xalloc (size_t size)
void	cbmimage_i_xfree (void *ptr)
void *	cbmimage_i_xalloc_and_copy (size_t newsize, const void *oldbuffer, size_t oldsize)
int	cbmimage_alloc_set_functions (cbmimage_alloc_xalloc_function_type, cbmimage_alloc_xfree_function_type, cbmimage_alloc_xalloc_and_copy_function_type)
	set the callback for output from the library

Detailed Description

cbmimage alloc function definitions

Author

Spiro Trikaliotis

Typedef Documentation

cbmimage_alloc_xalloc_and_copy_function_type

typedef void * cbmimage_alloc_xalloc_and_copy_function_type(size_t newsize, const void *oldbuffer, size_t oldsize)

Type for a cbmimage_i_xalloc_and_copy() style callback.

Used with cbmimage_set_alloc_functions()

cbmimage_alloc_xalloc_function_type

typedef void * cbmimage_alloc_xalloc_function_type(size_t size)

Type for a cbmimage_i_xalloc() style callback.

Used with cbmimage_set_alloc_functions()

cbmimage_alloc_xfree_function_type

typedef void cbmimage_alloc_xfree_function_type(void *ptr)

Type for a cbmimage_i_xfree() style callback.

Used with cbmimage_set_alloc_functions()

Function Documentation

cbmimage_alloc_set_functions()

int cbmimage_alloc_set_functions	(	cbmimage_alloc_xalloc_function_type	xalloc_function,
		cbmimage_alloc_xfree_function_type	xfree_function,
		cbmimage_alloc_xalloc_and_copy_function_type	xalloc_and_copy_function )

set the callback for output from the library

Parameters

[in]

xalloc_function

pointer to the function that is called whenever the library wants to xalloc() something

If this is set to NULL, then a library internal xalloc() is used

Parameters

[in]

xfree_function

pointer to the function that is called whenever the library wants to xfree() something

If this is set to NULL, then a library internal xfree() is used

Parameters

[in]

xalloc_and_copy_function

pointer to the function that is called whenever the library wants to xalloc_and_copy() something

If this is set to NULL, then a library internal xalloc_and_copy() is used

Remarks

• xalloc_function and xfree_function must correspond to each other. Because of this, do not set one of these functions, but not the other!
• If xalloc_and_copy_function is set, it must correspond to xalloc_function, too. However, if it is not defined (= NULL), then an internal implementation is used that used xalloc_function; thus, in this case, the usage is safe