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MINOR: htx: Add function to truncate all blocks after a specific block

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htx_truncated_blk() function does the same than htx_trunctate(), except data
are truncated relatively to a block in the message instead of an offset.
This commit is contained in:
Christopher Faulet 2026-03-12 14:54:20 +01:00
parent 3250ec6e9c
commit fbdb0a991a
2 changed files with 13 additions and 0 deletions
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1
include/haproxy/htx.h
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@ -37,6 +37,7 @@ struct htx_blk *htx_add_blk(struct htx *htx, enum htx_blk_type type, uint32_t bl
struct htx_blk *htx_remove_blk(struct htx *htx, struct htx_blk *blk);
struct htx_ret htx_find_offset(struct htx *htx, uint32_t offset);
void htx_truncate(struct htx *htx, uint32_t offset);
void htx_truncate_blk(struct htx *htx, struct htx_blk *blk);
struct htx_ret htx_drain(struct htx *htx, uint32_t max);
struct htx_blk *htx_replace_blk_value(struct htx *htx, struct htx_blk *blk,

12
src/htx.c
View File

@ -469,6 +469,18 @@ void htx_truncate(struct htx *htx, uint32_t offset)
blk = htx_remove_blk(htx, blk);
}
/* Removes all blocks after <blk>, excluding it. if <blk> is NULL, all blocks
* are removed.
*/
void htx_truncate_blk(struct htx *htx, struct htx_blk *blk)
{
if (!blk) {
htx_drain(htx, htx->data);
return;
}
for (blk = htx_get_next_blk(htx, blk); blk; blk = htx_remove_blk(htx, blk));
}
/* Drains <count> bytes from the HTX message <htx>. If the last block is a DATA
* block, it will be cut if necessary. Others blocks will be removed at once if
* <count> is large enough. The function returns an htx_ret with the first block