From 5d16d15a95bfaa1d55255b108e4c86337b8900b5 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Tue, 21 Dec 2021 12:12:54 +0100
Subject: [PATCH] swaybar: fix errno handling in status_handle_readable

If getline fails once, it was not reset before the next getline
call. errno is only overwritten by getline on error.

(cherry picked from commit 414950bbc8e833362a689cc11720855e8edd1323)
---
 swaybar/status_line.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/swaybar/status_line.c b/swaybar/status_line.c
index a97f35253..2e9bb7f1d 100644
--- a/swaybar/status_line.c
+++ b/swaybar/status_line.c
@@ -117,11 +117,11 @@ bool status_handle_readable(struct status_line *status) {
 		status->text = status->buffer;
 		// intentional fall-through
 	case PROTOCOL_TEXT:
-		errno = 0;
 		while (true) {
 			if (status->buffer[read_bytes - 1] == '\n') {
 				status->buffer[read_bytes - 1] = '\0';
 			}
+			errno = 0;
 			read_bytes = getline(&status->buffer,
 					&status->buffer_size, status->read);
 			if (errno == EAGAIN) {