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+ memb_inmemb

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This commit is contained in:
adamdunkels 2007-03-16 16:53:33 +00:00
parent 997a286b5d
commit 943a12613f
2 changed files with 13 additions and 11 deletions
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9
core/lib/memb.c
View File

@ -30,7 +30,7 @@
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: memb.c,v 1.2 2006/08/16 22:12:46 oliverschmidt Exp $
* $Id: memb.c,v 1.3 2007/03/16 16:53:33 adamdunkels Exp $
*/
/**
@ -101,5 +101,12 @@ memb_free(struct memb_blocks *m, void *ptr)
return -1;
}
/*---------------------------------------------------------------------------*/
int
memb_inmemb(struct memb_blocks *m, void *ptr)
{
return (char *)ptr >= (char *)m->mem &&
(char *)ptr < (char *)m->mem + (m->num * m->size);
}
/*---------------------------------------------------------------------------*/
/** @} */

15
core/lib/memb.h
View File

@ -30,7 +30,7 @@
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: memb.h,v 1.1 2006/06/17 22:41:18 adamdunkels Exp $
* $Id: memb.h,v 1.2 2007/03/16 16:53:33 adamdunkels Exp $
*/
/**
@ -49,14 +49,6 @@
* memory by the memb_alloc() function, and are deallocated with the
* memb_free() function.
*
* \note Because of namespace clashes only one MEMB() can be
* declared per C module, and the name scope of a MEMB() memory
* block is local to each C module.
*
* The following example shows how to declare and use a memory block
* called "cmem" which has 8 chunks of memory with each memory chunk
* being 20 bytes large.
*
* @{
*/
@ -90,7 +82,7 @@
*
* Example:
\code
MEMB(connections, sizeof(struct connection), 16);
MEMB(connections, struct connection, 16);
\endcode
*
* \param name The name of the memory block (later used with
@ -143,6 +135,9 @@ void *memb_alloc(struct memb_blocks *m);
*/
char memb_free(struct memb_blocks *m, void *ptr);
int memb_inmemb(struct memb_blocks *m, void *ptr);
/** @} */
/** @} */