tests: silence localtime() CodeQL warnings

Use localtime_r() or _localtime64_s() if available

1 files changed, 21 insertions, 2 deletions

diff --git a/libarchive/test/test_write_format_zip_compression_store.c b/libarchive/test/test_write_format_zip_compression_store.c
index c969a41d..ed090878 100644
--- a/libarchive/test/test_write_format_zip_compression_store.c
+++ b/libarchive/test/test_write_format_zip_compression_store.c
@@ -128,12 +128,31 @@ static void verify_uncompressed_contents(const char *buff, size_t used)
 
 	/* Misc variables */
 	unsigned long crc;
-	struct tm *tm = localtime(&now);
-
+	struct tm *tm;
+#if defined(HAVE_LOCALTIME_R) || defined(HAVE__LOCALTIME64_S)
+	struct tm tmbuf;
+#endif
+#if defined(HAVE__LOCALTIME64_S)
+	errno_t terr;
+	 __time64_t tmptime;
+#endif
 	/* p is the pointer to walk over the central directory,
 	 * q walks over the local headers, the data and the data descriptors. */
 	const char *p, *q, *local_header, *extra_start;
 
+#if defined(HAVE_LOCALTIME_R)
+	tm = localtime_r(&now, &tmbuf);
+#elif defined(HAVE__LOCALTIME64_S)
+	tmptime = now;
+	terr = _localtime64_s(&tmbuf, &tmptime);
+	if (terr)
+		tm = NULL;
+	else
+		tm = &tmbuf;
+#else
+	tm = localtime(&now);
+#endif
+
 	/* Remember the end of the archive in memory. */
 	buffend = buff + used;