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CLEANUP: dynbuf: remove the unused b_alloc_fast() function

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It is never used anymore since 1.7 where it was used by b_alloc_margin()
then replaced by direct calls to the pools function, and it maintains a
dependency on the exposed pools functions. It's time to get rid of it,
as it's not even certain it still works.
This commit is contained in:
Willy Tarreau 2021-03-22 14:53:56 +01:00
parent f44ca97fcb
commit 7be7ffac15
2 changed files with 0 additions and 33 deletions
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12
doc/internals/buffer-api.txt
View File

@ -554,18 +554,6 @@ b_alloc | buffer *buf | ensures that <buf> is allocated or
| | The allocated buffer is returned, or
| | NULL in case no memory is available
--------------------+------------------+---------------------------------------
b_alloc_fast | buffer *buf | allocates a buffer and assigns it to
| ret: buffer * | *buf. If no memory is available, (1)
| | is assigned instead with a zero size.
| | No control is made to check if *buf
| | already pointed to another buffer. The
| | allocated buffer is returned, or NULL
| | in case no memory is available. The
| | difference with b_alloc() is that this
| | function only picks from the pool and
| | never calls malloc(), so it can fail
| | even if some memory is available
--------------------+------------------+---------------------------------------
__b_free | buffer *buf | releases <buf> which must be allocated
| ret: void | and marks it empty
--------------------+------------------+---------------------------------------

21
include/haproxy/dynbuf.h
View File

@ -79,27 +79,6 @@ static inline struct buffer *b_alloc(struct buffer *buf)
return buf;
}
/* Allocates a buffer and assigns it to *buf. If no memory is available,
* ((char *)1) is assigned instead with a zero size. No control is made to
* check if *buf already pointed to another buffer. The allocated buffer is
* returned, or NULL in case no memory is available. The difference with
* b_alloc() is that this function only picks from the pool and never calls
* malloc(), so it can fail even if some memory is available.
*/
static inline struct buffer *b_alloc_fast(struct buffer *buf)
{
char *area;
*buf = BUF_WANTED;
area = pool_get_first(pool_head_buffer);
if (unlikely(!area))
return NULL;
buf->area = area;
buf->size = pool_head_buffer->size;
return buf;
}
/* Releases buffer <buf> (no check of emptiness). The buffer's head is marked
* empty.
*/