47 lines
2.4 KiB
C
47 lines
2.4 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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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/runtime/runtime.h"
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#include "libc/str/str.h"
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#include "libc/sysv/errfuns.h"
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static mbstate_t g_mbrtowc;
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size_t mbrtowc(wchar_t *pwc, const char *src, size_t n, mbstate_t *ps) {
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/* TODO(jart): Need to fix. */
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wchar_t t;
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mbstate_t c;
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const unsigned char *p;
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if (!ps) ps = &g_mbrtowc;
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p = (const unsigned char *)src;
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c = *ps;
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if (!p && c) return eilseq();
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if (!p) return 0;
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if (!pwc) pwc = &t;
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if (n) {
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if (!c) {
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if (0 <= *p && *p < 0x80) {
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return !!(*pwc = *p);
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}
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abort(); /* TODO(jart) */
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}
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}
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return -2;
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}
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