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46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
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/* Copyright (C) 1995 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but 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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <wcstr.h>
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/* Return the length of the maximum initial segment
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of WCS which contains only wide-characters in ACCEPT. */
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size_t
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wcsspn (wcs, accept)
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const wchar_t *wcs;
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const wchar_t *accept;
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{
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register const wchar_t *p;
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register const wchar_t *a;
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register size_t count = 0;
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for (p = wcs; *p != L'\0'; ++p)
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{
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for (a = accept; *a != L'\0'; ++a)
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if (*p == *a)
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break;
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if (*a == L'\0')
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return count;
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else
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++count;
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}
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return count;
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}
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