mirror of
https://github.com/0intro/wmii
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34 lines
581 B
C
34 lines
581 B
C
/* Copyright ©2010 Kris Maglione <maglione.k at Gmail>
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* Copyright ©2002 by Lucent Technologies.
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* See LICENSE file for license details.
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*/
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#include "fmtdef.h"
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int
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localelen(char *str, char *end) {
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mbstate_t state;
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size_t n, res;
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if(utf8locale()) {
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if(end)
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return utfnlen(str, end - str);
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return utflen(str);
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}
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state = (mbstate_t){0};
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n = 0;
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for(n=0;;)
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switch((res = mbrtowc(nil, str, end ? end - str : MB_LEN_MAX, &state))) {
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case -1:
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return -1;
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case 0:
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case -2:
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return n;
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default:
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n++;
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str += res;
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}
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return n; /* Not reached. */
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}
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