From dfaf47c51a7fa1f113185ca620cb5c7e29183a37 Mon Sep 17 00:00:00 2001
From: jsing <>
Date: Fri, 11 Oct 2024 07:54:22 +0000
Subject: Add error regress coverage for ERR_LIB_SYS.

These are dynamically populated based on strerror() values.
---
 src/regress/lib/libcrypto/err/err_test.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/regress/lib/libcrypto/err/err_test.c b/src/regress/lib/libcrypto/err/err_test.c
index 16fd675e11..d31c61fa1c 100644
--- a/src/regress/lib/libcrypto/err/err_test.c
+++ b/src/regress/lib/libcrypto/err/err_test.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: err_test.c,v 1.1 2024/10/02 14:41:46 jsing Exp $ */
+/* $OpenBSD: err_test.c,v 1.2 2024/10/11 07:54:22 jsing Exp $ */
 /*
  * Copyright (c) 2024 Joel Sing <jsing@openbsd.org>
  *
@@ -130,6 +130,24 @@ err_test(void)
 
 	ERR_clear_error();
 
+	/*
+	 * Check SYSerror() reasons, which are dynamically populated from
+	 * strerror().
+	 */
+	ERR_put_error(ERR_LIB_SYS, 0xfff, 1, "err.c", 300);
+
+	if ((err = ERR_get_error()) != 0x2fff001UL) {
+		fprintf(stderr, "FAIL: ERR_get_error() = %lx, want "
+		    "0x2fff001UL\n", err);
+		goto failure;
+	}
+	s = ERR_reason_error_string(err);
+	if (strcmp(s, strerror(ERR_GET_REASON(err))) != 0) {
+		fprintf(stderr, "FAIL: ERR_reason_error_string() = '%s', "
+		    "want '%s'\n", s, strerror(ERR_GET_REASON(err)));
+		goto failure;
+	}
+
 	s = ERR_lib_error_string(0x3fff067UL);
 	if (strcmp(s, "bignum routines") != 0) {
 		fprintf(stderr, "FAIL: ERR_lib_error_string() = '%s', "
-- 
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