mirror of
https://github.com/jart/cosmopolitan.git
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b8a6a989c0
This change greatly reduces the number of modules that need to be compiled. The only issue right now is that sometimes when viewing symbol table entries, the aliased symbol is chosen.
58 lines
3 KiB
C
58 lines
3 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/str/str.h"
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/**
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* Returns nonzero if c is space character.
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*
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* We define this as invisible characters which move the cursor. That
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* means `\t\r\n\f\v` and unicodes whose category begins with `Z` but
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* not ogham since it's not invisible and non-breaking spaces neither
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* since they're not invisible to emacs users.
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*/
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int iswspace(wint_t c) {
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switch (c) {
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case '\t': // CHARACTER TABULATION
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case '\n': // LINE FEED
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case '\f': // FORM FEED
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case '\v': // LINE TABULATION
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case '\r': // CARRIAGE RETURN
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case ' ': // SPACE
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case 0x2000: // EN QUAD (Zs)
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case 0x2001: // EM QUAD (Zs)
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case 0x2002: // EN SPACE (Zs)
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case 0x2003: // EM SPACE (Zs)
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case 0x2004: // THREE-PER-EM SPACE (Zs)
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case 0x2005: // FOUR-PER-EM SPACE (Zs)
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case 0x2006: // SIX-PER-EM SPACE (Zs)
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case 0x2007: // FIGURE SPACE (Zs)
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case 0x2008: // PUNCTUATION SPACE (Zs)
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case 0x2009: // THIN SPACE (Zs)
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case 0x200a: // HAIR SPACE (Zs)
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case 0x2028: // LINE SEPARATOR (Zl)
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case 0x2029: // PARAGRAPH SEPARATOR (Zp)
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case 0x205f: // MEDIUM MATHEMATICAL SPACE (Zs)
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case 0x3000: // IDEOGRAPHIC SPACE (Zs)
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return 1;
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default:
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return 0;
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}
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}
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__weak_reference(iswspace, iswspace_l);
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