https://bird.network.cz/pipermail/bird-users/2023-March/016743.html
See-also: https://bugs.gentoo.org/836713
Signed-off-by: Petr Vaněk <arkamar at atlas.cz>
---
 lib/printf_test.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/printf_test.c b/lib/printf_test.c
index 47ea905d..ca278975 100644
--- a/lib/printf_test.c
+++ b/lib/printf_test.c
@@ -32,11 +32,14 @@ t_simple(void)
   BSPRINTF(1, "@", buf, "@", 64);
   BSPRINTF(1, "\xff", buf, "%c", 0xff);

+  const char * io_error_str = strerror(EIO);
+  const int io_error_len = strlen(io_error_str);
+
   errno = 5;
-  BSPRINTF(18, "Input/output error", buf, "%m");
+  BSPRINTF(io_error_len, io_error_str, buf, "%m");
   errno = 0;

-  BSPRINTF(18, "Input/output error", buf, "%M", 5);
+  BSPRINTF(io_error_len, io_error_str, buf, "%M", 5);

   BSPRINTF(11, "TeSt%StRiNg", buf, "%s", "TeSt%StRiNg");

--
2.39.2