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MINOR: applet: Improve applet API to take care of inbuf/outbuf alloc failures

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applet_get_inbuf() and applet_get_outbuf() functions were not testing if the
buffers were available. So, the caller had to check them before calling one
of these functions. It is not really handy. So now, these functions take
care to have a fully usable buffer before returning. Otherwise NULL is
returned.
This commit is contained in:
Christopher Faulet 2025-07-17 15:08:55 +02:00
parent 44aae94ab9
commit 1f9a1cbefc
1 changed files with 9 additions and 2 deletions
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11
include/haproxy/applet.h
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@ -288,8 +288,11 @@ static inline void applet_expect_data(struct appctx *appctx)
*/
static inline struct buffer *applet_get_inbuf(struct appctx *appctx)
{
if (appctx->flags & APPCTX_FL_INOUT_BUFS)
if (appctx->flags & APPCTX_FL_INOUT_BUFS) {
if (applet_fl_test(appctx, APPCTX_FL_INBLK_ALLOC) || !appctx_get_buf(appctx, &appctx->inbuf))
return NULL;
return &appctx->inbuf;
}
else
return sc_ob(appctx_sc(appctx));
}
@ -300,8 +303,12 @@ static inline struct buffer *applet_get_inbuf(struct appctx *appctx)
*/
static inline struct buffer *applet_get_outbuf(struct appctx *appctx)
{
if (appctx->flags & APPCTX_FL_INOUT_BUFS)
if (appctx->flags & APPCTX_FL_INOUT_BUFS) {
if (applet_fl_test(appctx, APPCTX_FL_OUTBLK_ALLOC|APPCTX_FL_OUTBLK_FULL) ||
!appctx_get_buf(appctx, &appctx->outbuf))
return NULL;
return &appctx->outbuf;
}
else
return sc_ib(appctx_sc(appctx));
}