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	Fix message sizes for web extension communication - surf - surf browser, a WebK…
	git clone git://git.suckless.org/surf
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	---
	commit b48be75179e5e2839b60f713111a1789b868cede
	parent 2ea91766bbd2f0689df3fbc9793c10c4376c0389
	Author: Quentin Rameau <[email protected]>
	Date: Sun, 17 Mar 2024 08:06:01 +0100

	Fix message sizes for web extension communication

	Diffstat:
	M surf.c \| 11 ++++++-----
	M webext-surf.c \| 6 +++---

	2 files changed, 9 insertions(+), 8 deletions(-)
	---
	diff --git a/surf.c b/surf.c
	@@ -1853,21 +1853,22 @@ zoom(Client c, const Arg a)
	static void
	msgext(Client c, char type, const Arg a)
	{
	- static char msg[MSGBUFSZ];
	+ static unsigned char msg[MSGBUFSZ];
	int ret;

	if (spair[0] < 0)
	return;

	- if ((ret = snprintf(msg, sizeof(msg), "%c%c%c", c->pageid, type, a->i))
	- >= sizeof(msg)) {
	+ ret = snprintf(msg, sizeof(msg), "%c%c%c",
	+ (unsigned char)c->pageid, type, (signed char)a->i);
	+ if (ret >= sizeof(msg)) {
	fprintf(stderr, "surf: message too long: %d\n", ret);
	return;
	}

	if (send(spair[0], msg, ret, 0) != ret)
	- fprintf(stderr, "surf: error sending: %u%c%d (%d)\n",
	- c->pageid, type, a->i, ret);
	+ fprintf(stderr, "surf: error sending: %hhu/%c/%d (%d)\n",
	+ (unsigned char)c->pageid, type, a->i, ret);
	}

	void
	diff --git a/webext-surf.c b/webext-surf.c
	@@ -39,7 +39,7 @@ readsock(GIOChannel *s, GIOCondition c, gpointer unused)
	}

	if (msgsz < 2) {
	- fprintf(stderr, "webext: readsock: message too short: %d\n",
	+ fprintf(stderr, "webext: readsock: message too short: %lu\n",
	msgsz);
	return TRUE;
	}
	@@ -54,7 +54,7 @@ readsock(GIOChannel *s, GIOCondition c, gpointer unused)
	if (msgsz != 3)
	return TRUE;
	snprintf(js, sizeof(js),
	- "window.scrollBy(window.innerWidth/100*%d,0);",
	+ "window.scrollBy(window.innerWidth/100*%hhd,0);",
	msg[2]);
	jsc_context_evaluate(jsc, js, -1);
	break;
	@@ -62,7 +62,7 @@ readsock(GIOChannel *s, GIOCondition c, gpointer unused)
	if (msgsz != 3)
	return TRUE;
	snprintf(js, sizeof(js),
	- "window.scrollBy(0,window.innerHeight/100*%d);",
	+ "window.scrollBy(0,window.innerHeight/100*%hhd);",
	msg[2]);
	jsc_context_evaluate(jsc, js, -1);
	break;