malloc_limit.h File Reference

#include <zrtos/malloc.h>

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Data Structures
struct	_zrtos_malloc_limit_t

Macros
#define	ZRTOS_MALLOC_LIMIT__INIT()   {.length = 0}

Typedefs
typedef struct _zrtos_malloc_limit_t	zrtos_malloc_limit_t

Functions
void *	zrtos_malloc_limit__malloc (zrtos_malloc_limit_t *thiz, size_t length, size_t limit)
void	zrtos_malloc_limit__free (zrtos_malloc_limit_t *thiz, void *ptr)

Macro Definition Documentation

ZRTOS_MALLOC_LIMIT__INIT

#define ZRTOS_MALLOC_LIMIT__INIT

(

)

{.length = 0}

Definition at line 23 of file malloc_limit.h.

Typedef Documentation

zrtos_malloc_limit_t

typedef struct _zrtos_malloc_limit_t zrtos_malloc_limit_t

Function Documentation

zrtos_malloc_limit__free()

void zrtos_malloc_limit__free	(	zrtos_malloc_limit_t *	thiz,
		void *	ptr
	)

Definition at line 41 of file malloc_limit.h.

                                                                   {
    thiz->length -= zrtos_malloc__get_length(ptr);
    kfree(ptr);
}

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zrtos_malloc_limit__malloc()

void* zrtos_malloc_limit__malloc	(	zrtos_malloc_limit_t *	thiz,
		size_t	length,
		size_t	limit
	)

Definition at line 25 of file malloc_limit.h.

 {
    void *ret = 0;
    size_t len = thiz->length + length;
    if(len <= limit){
        ret = kmalloc(length);
        if(ret){
            thiz->length = len;
        }
    }
    return ret;
}

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