From db9a58f48c6eae16fbfcd89d59b09e123dbed54f Mon Sep 17 00:00:00 2001
From: "Luke T. Shumaker" <lukeshu@lukeshu.com>
Date: Tue, 15 Apr 2025 15:58:31 -0600
Subject: libmisc: Add alloc.h to help detect wrong alloc sizes

Lo and behold, there was a mistake in chan.c.
---
 libcr_ipc/chan.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'libcr_ipc/chan.c')

diff --git a/libcr_ipc/chan.c b/libcr_ipc/chan.c
index 6cbe890..f20b8a0 100644
--- a/libcr_ipc/chan.c
+++ b/libcr_ipc/chan.c
@@ -4,10 +4,10 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
-#include <alloca.h>  /* for alloca() */
 #include <string.h>  /* for memcpy() */
 
 #include <libcr/coroutine.h> /* for cid_t, cr_* */
+#include <libmisc/alloc.h>
 #include <libmisc/assert.h>
 #include <libmisc/rand.h>
 
@@ -150,7 +150,7 @@ size_t cr_select_v(size_t arg_cnt, struct cr_select_arg arg_vec[]) {
 	struct cr_select_waiters waiters = {
 		.cnt   = arg_cnt,
 		.args  = arg_vec,
-		.nodes = alloca(sizeof(struct cr_chan_waiter) * arg_cnt),
+		.nodes = stack_alloc(arg_cnt, struct _cr_chan_waiter_list_node),
 	};
 	for (size_t i = 0; i < arg_cnt; i++) {
 		waiters.nodes[i] = (struct _cr_chan_waiter_list_node){ .val = {
-- 
cgit v1.2.3-2-g168b