* private.h (ATTRIBUTE_NONSTRING): New macro.
* localtime.c (tzdirslash) [!OPENAT_TZDIR]: Use it.
---
localtime.c | 3 +++
private.h | 6 ++++++
2 files changed, 9 insertions(+)
diff --git a/localtime.c b/localtime.c
index 186c7bf3..8ef529d5 100644
--- a/localtime.c
+++ b/localtime.c
@@ -571,6 +571,9 @@ union input_buffer {
};
/* TZDIR with a trailing '/'. It is null-terminated if OPENAT_TZDIR. */
+#if !OPENAT_TZDIR
+ATTRIBUTE_NONSTRING
+#endif
static char const tzdirslash[sizeof TZDIR + OPENAT_TZDIR] = TZDIR "/";
static size_t const tzdirslashlen = sizeof TZDIR;
diff --git a/private.h b/private.h
index 867340fa..23f1d9fb 100644
--- a/private.h
+++ b/private.h
@@ -555,6 +555,12 @@ typedef unsigned long uintmax_t;
# define HAVE___HAS_C_ATTRIBUTE false
#endif
+#if 8 <= __GNUC__
+# define ATTRIBUTE_NONSTRING __attribute__((__nonstring__))
+#else
+# define ATTRIBUTE_NONSTRING
+#endif
+
#if HAVE___HAS_C_ATTRIBUTE
# if __has_c_attribute(deprecated)
# define ATTRIBUTE_DEPRECATED [[deprecated]]
--
2.51.0
