From: Tobias Stoeckmann <tobias@stoeckmann.org>
Date: Wed, 4 Feb 2026 19:42:59 +0000 (+0100)
Subject: lib/pager: Clear potential stdout/stderr errors
X-Git-Tag: v2.43-devel~89^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b6816b60d9ed9ad04030b492f9bfa03ae40fc9ea;p=thirdparty%2Futil-linux.git

lib/pager: Clear potential stdout/stderr errors

Clear stdout/stderr errors which might have occurred in communication
with pager. Since output is flushed and file descriptors replaced, the
information is meaningless.

Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
---

diff --git a/lib/pager.c b/lib/pager.c
index 11d56c1b8..4fe61ffa2 100644
--- a/lib/pager.c
+++ b/lib/pager.c
@@ -274,7 +274,9 @@ void pager_close(void)
 		_exit(EXIT_FAILURE);
 
 	/* restore original output */
+	clearerr(stdout);
 	dup2(pager_process.org_out, STDOUT_FILENO);
+	clearerr(stderr);
 	dup2(pager_process.org_err, STDERR_FILENO);
 
 	close(pager_process.org_out);