1 files changed, 49 insertions, 0 deletions
diff --git a/lib/util/localtime_r.c b/lib/util/localtime_r.c
new file mode 100644
index 0000000..674cb1a
--- /dev/null
+++ b/lib/util/localtime_r.c
@@ -0,0 +1,49 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * This is an open source non-commercial project. Dear PVS-Studio, please check it.
+ * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+ */
+
+#include <config.h>
+
+#ifndef HAVE_LOCALTIME_R
+
+#include <sys/types.h>
+#include <time.h>
+
+#include "sudo_compat.h"
+#include "sudo_util.h"
+
+/*
+ * Fake localtime_r() that just stores the result.
+ * Still has the normal localtime() side effects.
+ */
+struct tm *
+sudo_localtime_r(const time_t *timer, struct tm *result)
+{
+    struct tm *tm;
+
+    if ((tm = localtime(timer)) == NULL)
+	return NULL;
+    memcpy(result, tm, sizeof(struct tm));
+
+    return result;
+}
+#endif /* HAVE_LOCALTIME_T */