From 1dbaf410e0b3ec754ee4ab78f861d4ef034e7962 Mon Sep 17 00:00:00 2001
From: "Arnold D. Robbins" <arnold@skeeve.com>
Date: Fri, 6 Nov 2020 14:16:40 +0200
Subject: Update support files from GNULIB.

---
 support/regex_internal.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'support/regex_internal.h')

diff --git a/support/regex_internal.h b/support/regex_internal.h
index dbc503cd..4a3cf779 100644
--- a/support/regex_internal.h
+++ b/support/regex_internal.h
@@ -77,6 +77,14 @@
 # define isblank(ch) ((ch) == ' ' || (ch) == '\t')
 #endif
 
+/* regex code assumes isascii has its usual numeric meaning,
+   even if the portable character set uses EBCDIC encoding,
+   and even if wint_t is wider than int.  */
+#ifndef _LIBC
+# undef isascii
+# define isascii(c) (((c) & ~0x7f) == 0)
+#endif
+
 #ifdef _LIBC
 # ifndef _RE_DEFINE_LOCALE_FUNCTIONS
 #  define _RE_DEFINE_LOCALE_FUNCTIONS 1
-- 
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