From b09f6885c9851d2715da353331f8e10a4b01f61f Mon Sep 17 00:00:00 2001
From: Seigo Tanimura <seigo.tanimura@gmail.com>
Date: Fri, 19 Jan 2024 03:22:56 +0900
Subject: [PATCH] pal: Strerror_s(3) cannot return ERANGE in case of the short
 buffer.

Such the condition seems not treated as a runtime constraint violation.

The best solution is hence to guarantee that the zero status means that a
NUL-terminated string is returned.

Signed-off-by: Seigo Tanimura <seigo.tanimura@gmail.com>
---
 src/flb_pal.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/flb_pal.c b/src/flb_pal.c
index 35c33e17f68..ba5aa226e4c 100644
--- a/src/flb_pal.c
+++ b/src/flb_pal.c
@@ -63,12 +63,7 @@ int flb_strerror_r(int errnum, char *buf, size_t buflen)
     return strerror_r(errnum, buf, buflen);
 #endif
 #elif defined(FLB_HAVE_STRERROR_S)
-    int ret;
-
-    ret = (int) strerror_s(buf, (rsize_t)buflen, (errno_t)errnum);
-    if (0 != ret) {
-        ret = ERANGE;
-    }
+    return (int) strerror_s(buf, (rsize_t)buflen, (errno_t)errnum);
 #endif
 }
 #endif