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MINOR: dynbuf: Add helper functions to alloc large and small buffers

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b_alloc_small() and b_alloc_large() can now be used to alloc small or larger
buffers. For now, unlike default buffers, buffer_wait lists are not used.
This commit is contained in:
Christopher Faulet 2026-03-10 08:09:12 +01:00
parent 4d6cba03f2
commit f8c96bf9cb
1 changed files with 29 additions and 0 deletions
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29
include/haproxy/dynbuf.h
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@ -200,6 +200,35 @@ static inline char *__b_get_emergency_buf(void)
__b_free((_buf)); \
} while (0)
static inline struct buffer *b_alloc_small(struct buffer *buf)
{
char *area = NULL;
if (!buf->size) {
area = pool_alloc(pool_head_small_buffer);
if (!area)
return NULL;
buf->area = area;
buf->size = global.tune.bufsize_small;
}
return buf;
}
static inline struct buffer *b_alloc_large(struct buffer *buf)
{
char *area = NULL;
if (!buf->size) {
area = pool_alloc(pool_head_large_buffer);
if (!area)
return NULL;
buf->area = area;
buf->size = global.tune.bufsize_large;
}
return buf;
}
/* Offer one or multiple buffer currently belonging to target <from> to whoever
* needs one. Any pointer is valid for <from>, including NULL. Its purpose is
* to avoid passing a buffer to oneself in case of failed allocations (e.g.