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MINOR: h1-htx: Disable 0-copy for buffers of different size

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When a message payload is parsed, it is possible to swap buffers. We must
only take care both buffers have same size. It will be mandatory when the
large buffers support on channels will be added.
This commit is contained in:
Christopher Faulet 2026-02-10 15:24:54 +01:00
parent 33d2be0364
commit 16586399e1
1 changed files with 3 additions and 2 deletions
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5
src/h1_htx.c
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@ -464,9 +464,10 @@ static size_t h1_copy_msg_data(struct htx **dsthtx, struct buffer *srcbuf, size_
* - count == srcbuf->data
* - srcbuf->head == sizeof(struct htx)
* => we can swap the buffers and place an htx header into
* the target buffer instead
* the target buffer instead (for buffers of same size)
*/
if (unlikely(htx_is_empty(tmp_htx) && count == b_data(srcbuf) &&
if (unlikely(b_size(srcbuf) == b_size(htxbuf) &&
htx_is_empty(tmp_htx) && count == b_data(srcbuf) &&
!ofs && b_head_ofs(srcbuf) == sizeof(struct htx))) {
void *raw_area = srcbuf->area;
void *htx_area = htxbuf->area;