From 8f2aaaa8d294a730ca06356c793232ffd8fc6100 Mon Sep 17 00:00:00 2001
From: Aleksy Grabowski <hurufu@gmail.com>
Date: Wed, 15 Nov 2023 21:00:02 +0100
Subject: [PATCH] Fix type

---
 frob.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/frob.c b/frob.c
index b5c165b..dfc1c14 100644
--- a/frob.c
+++ b/frob.c
@@ -570,7 +570,7 @@ static void perform_pending_write(const enum channel i, struct state* const st)
     // We can write only to output channels
     assert(i >= CHANNEL_FIRST_OUTPUT && i <= CHANNEL_LAST_OUTPUT);
 
-    const ptrdiff_t l = used_space(ch);
+    const size_t l = used_space(ch);
     const ssize_t s = write(ch->fd, ch->buf, l);
     if (s != l) {
         EXITF("Can't write %td bytes to %s channel (fd %d)", l, channel_to_string(i), ch->fd);