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/* Line breaking auxiliary functions.
Copyright (C) 2001-2003, 2006-2022 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2001.
This file is free software.
It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+".
You can redistribute it and/or modify it under either
- the terms of the GNU Lesser General Public License as published
by the Free Software Foundation, either version 3, or (at your
option) any later version, or
- the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option)
any later version, or
- the same dual license "the GNU LGPLv3+ or the GNU GPLv2+".
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 and the GNU General Public License
for more details.
You should have received a copy of the GNU Lesser General Public
License and of the GNU General Public License along with this
program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include "unilbrk/ulc-common.h"
#include "c-ctype.h"
#include "c-strcaseeq.h"
int
is_utf8_encoding (const char *encoding)
{
if (STRCASEEQ (encoding, "UTF-8", 'U', 'T', 'F', '-', '8', 0, 0, 0, 0))
return 1;
return 0;
}
#if C_CTYPE_ASCII
/* Tests whether a string is entirely ASCII. Returns 1 if yes.
Returns 0 if the string is in an 8-bit encoding or an ISO-2022 encoding. */
int
is_all_ascii (const char *s, size_t n)
{
for (; n > 0; s++, n--)
{
unsigned char c = (unsigned char) *s;
if (!(c_isprint (c) || c_isspace (c)))
return 0;
}
return 1;
}
#endif /* C_CTYPE_ASCII */
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