diff options
Diffstat (limited to 'lib/unilbrk/ulc-common.c')
-rw-r--r-- | lib/unilbrk/ulc-common.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/lib/unilbrk/ulc-common.c b/lib/unilbrk/ulc-common.c new file mode 100644 index 00000000..d035ded7 --- /dev/null +++ b/lib/unilbrk/ulc-common.c @@ -0,0 +1,51 @@ +/* Line breaking auxiliary functions. + Copyright (C) 2001-2003, 2006-2008 Free Software Foundation, Inc. + Written by Bruno Haible <bruno@clisp.org>, 2001. + + This program 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 3 of the License, or + (at your option) any later version. + + This program 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 <http://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 */ |