From 29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:21:29 +0200 Subject: Adding upstream version 1:0.1.9998svn3589+dfsg. Signed-off-by: Daniel Baumann --- src/grep/lib/iswxdigit.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 src/grep/lib/iswxdigit.c (limited to 'src/grep/lib/iswxdigit.c') diff --git a/src/grep/lib/iswxdigit.c b/src/grep/lib/iswxdigit.c new file mode 100644 index 0000000..fcdcdba --- /dev/null +++ b/src/grep/lib/iswxdigit.c @@ -0,0 +1,33 @@ +/* Test wide character for being a hexadecimal digit. + Copyright (C) 2020-2021 Free Software Foundation, Inc. + + This file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + This file is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see . */ + +#include + +/* Specification. */ +#include + +int +iswxdigit (wint_t wc) +{ + return ((wc >= '0' && wc <= '9') +#if 'A' == 0x41 && 'a' == 0x61 + /* Optimization, assuming ASCII */ + || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'F') +#else + || (wc >= 'A' && wc <= 'F') || (wc >= 'a' && wc <= 'f') +#endif + ); +} -- cgit v1.2.3