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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 00:53:35 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 00:53:35 +0000 |
commit | 69c6a41ffb878ef98c9378ed4b1634a404cfaa7f (patch) | |
tree | b2a4f704565d62fbb129ab9dc3b35977c50e6e7f /src/contrib/ctype.h | |
parent | Initial commit. (diff) | |
download | knot-d02c1c4ad3b5dddb2ceca2c451a5b417770810ef.tar.xz knot-d02c1c4ad3b5dddb2ceca2c451a5b417770810ef.zip |
Adding upstream version 2.7.6.upstream/2.7.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/contrib/ctype.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/src/contrib/ctype.h b/src/contrib/ctype.h new file mode 100644 index 0000000..93b85db --- /dev/null +++ b/src/contrib/ctype.h @@ -0,0 +1,192 @@ +/* Copyright (C) 2017 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +/*! + * \brief Locale-independent ctype functions. + */ + +#pragma once + +#include <ctype.h> +#include <stdbool.h> +#include <stdint.h> + +enum { + CT_DIGIT = 1 << 0, + CT_UPPER = 1 << 1, + CT_LOWER = 1 << 2, + CT_XDIGT = 1 << 3, + CT_PUNCT = 1 << 4, + CT_PRINT = 1 << 5, + CT_SPACE = 1 << 6, +}; + +static const uint8_t char_mask[256] = { + // 0 - 8 + ['\t'] = CT_SPACE, + ['\n'] = CT_SPACE, + ['\v'] = CT_SPACE, + ['\f'] = CT_SPACE, + ['\r'] = CT_SPACE, + // 14 - 31 + [' '] = CT_PRINT | CT_SPACE, + + ['!'] = CT_PRINT | CT_PUNCT, + ['"'] = CT_PRINT | CT_PUNCT, + ['#'] = CT_PRINT | CT_PUNCT, + ['$'] = CT_PRINT | CT_PUNCT, + ['%'] = CT_PRINT | CT_PUNCT, + ['&'] = CT_PRINT | CT_PUNCT, + ['\''] = CT_PRINT | CT_PUNCT, + ['('] = CT_PRINT | CT_PUNCT, + [')'] = CT_PRINT | CT_PUNCT, + ['*'] = CT_PRINT | CT_PUNCT, + ['+'] = CT_PRINT | CT_PUNCT, + [','] = CT_PRINT | CT_PUNCT, + ['-'] = CT_PRINT | CT_PUNCT, + ['.'] = CT_PRINT | CT_PUNCT, + ['/'] = CT_PRINT | CT_PUNCT, + + ['0'] = CT_PRINT | CT_DIGIT | CT_XDIGT, + ['1'] = CT_PRINT | CT_DIGIT | CT_XDIGT, + ['2'] = CT_PRINT | CT_DIGIT | CT_XDIGT, + ['3'] = CT_PRINT | CT_DIGIT | CT_XDIGT, + ['4'] = CT_PRINT | CT_DIGIT | CT_XDIGT, + ['5'] = CT_PRINT | CT_DIGIT | CT_XDIGT, + ['6'] = CT_PRINT | CT_DIGIT | CT_XDIGT, + ['7'] = CT_PRINT | CT_DIGIT | CT_XDIGT, + ['8'] = CT_PRINT | CT_DIGIT | CT_XDIGT, + ['9'] = CT_PRINT | CT_DIGIT | CT_XDIGT, + + [':'] = CT_PRINT | CT_PUNCT, + [';'] = CT_PRINT | CT_PUNCT, + ['<'] = CT_PRINT | CT_PUNCT, + ['='] = CT_PRINT | CT_PUNCT, + ['>'] = CT_PRINT | CT_PUNCT, + ['?'] = CT_PRINT | CT_PUNCT, + ['@'] = CT_PRINT | CT_PUNCT, + + ['A'] = CT_PRINT | CT_UPPER | CT_XDIGT, + ['B'] = CT_PRINT | CT_UPPER | CT_XDIGT, + ['C'] = CT_PRINT | CT_UPPER | CT_XDIGT, + ['D'] = CT_PRINT | CT_UPPER | CT_XDIGT, + ['E'] = CT_PRINT | CT_UPPER | CT_XDIGT, + ['F'] = CT_PRINT | CT_UPPER | CT_XDIGT, + ['G'] = CT_PRINT | CT_UPPER, + ['H'] = CT_PRINT | CT_UPPER, + ['I'] = CT_PRINT | CT_UPPER, + ['J'] = CT_PRINT | CT_UPPER, + ['K'] = CT_PRINT | CT_UPPER, + ['L'] = CT_PRINT | CT_UPPER, + ['M'] = CT_PRINT | CT_UPPER, + ['N'] = CT_PRINT | CT_UPPER, + ['O'] = CT_PRINT | CT_UPPER, + ['P'] = CT_PRINT | CT_UPPER, + ['Q'] = CT_PRINT | CT_UPPER, + ['R'] = CT_PRINT | CT_UPPER, + ['S'] = CT_PRINT | CT_UPPER, + ['T'] = CT_PRINT | CT_UPPER, + ['U'] = CT_PRINT | CT_UPPER, + ['V'] = CT_PRINT | CT_UPPER, + ['W'] = CT_PRINT | CT_UPPER, + ['X'] = CT_PRINT | CT_UPPER, + ['Y'] = CT_PRINT | CT_UPPER, + ['Z'] = CT_PRINT | CT_UPPER, + + ['['] = CT_PRINT | CT_PUNCT, + ['\\'] = CT_PRINT | CT_PUNCT, + [']'] = CT_PRINT | CT_PUNCT, + ['^'] = CT_PRINT | CT_PUNCT, + ['_'] = CT_PRINT | CT_PUNCT, + ['`'] = CT_PRINT | CT_PUNCT, + + ['a'] = CT_PRINT | CT_LOWER | CT_XDIGT, + ['b'] = CT_PRINT | CT_LOWER | CT_XDIGT, + ['c'] = CT_PRINT | CT_LOWER | CT_XDIGT, + ['d'] = CT_PRINT | CT_LOWER | CT_XDIGT, + ['e'] = CT_PRINT | CT_LOWER | CT_XDIGT, + ['f'] = CT_PRINT | CT_LOWER | CT_XDIGT, + ['g'] = CT_PRINT | CT_LOWER, + ['h'] = CT_PRINT | CT_LOWER, + ['i'] = CT_PRINT | CT_LOWER, + ['j'] = CT_PRINT | CT_LOWER, + ['k'] = CT_PRINT | CT_LOWER, + ['l'] = CT_PRINT | CT_LOWER, + ['m'] = CT_PRINT | CT_LOWER, + ['n'] = CT_PRINT | CT_LOWER, + ['o'] = CT_PRINT | CT_LOWER, + ['p'] = CT_PRINT | CT_LOWER, + ['q'] = CT_PRINT | CT_LOWER, + ['r'] = CT_PRINT | CT_LOWER, + ['s'] = CT_PRINT | CT_LOWER, + ['t'] = CT_PRINT | CT_LOWER, + ['u'] = CT_PRINT | CT_LOWER, + ['v'] = CT_PRINT | CT_LOWER, + ['w'] = CT_PRINT | CT_LOWER, + ['x'] = CT_PRINT | CT_LOWER, + ['y'] = CT_PRINT | CT_LOWER, + ['z'] = CT_PRINT | CT_LOWER, + + ['{'] = CT_PRINT | CT_PUNCT, + ['|'] = CT_PRINT | CT_PUNCT, + ['}'] = CT_PRINT | CT_PUNCT, + ['~'] = CT_PRINT | CT_PUNCT, + // 127 - 255 +}; + +static inline bool is_alnum(uint8_t c) +{ + return char_mask[c] & (CT_DIGIT | CT_UPPER | CT_LOWER); +} + +static inline bool is_alpha(uint8_t c) +{ + return char_mask[c] & (CT_UPPER | CT_LOWER); +} + +static inline bool is_digit(uint8_t c) +{ + return char_mask[c] & CT_DIGIT; +} + +static inline bool is_xdigit(uint8_t c) +{ + return char_mask[c] & CT_XDIGT; +} + +static inline bool is_lower(uint8_t c) +{ + return char_mask[c] & CT_LOWER; +} + +static inline bool is_upper(uint8_t c) +{ + return char_mask[c] & CT_UPPER; +} + +static inline bool is_print(uint8_t c) +{ + return char_mask[c] & CT_PRINT; +} + +static inline bool is_punct(uint8_t c) +{ + return char_mask[c] & CT_PUNCT; +} + +static inline bool is_space(uint8_t c) +{ + return char_mask[c] & CT_SPACE; +} |