49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
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/* @(#)wcscspn.c 1.1 14/01/06 Copyright 2014 J. Schilling */
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/*
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* find maximum number of chars in s1 that consists solely of chars
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* NOT in s2
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*
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* Copyright (c) 2014 J. Schilling
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*/
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/*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* See the file CDDL.Schily.txt in this distribution for details.
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* A copy of the CDDL is also available via the Internet at
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* http://www.opensource.org/licenses/cddl1.txt
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file CDDL.Schily.txt from this distribution.
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*/
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#include <schily/standard.h>
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#include <schily/wchar.h>
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#include <schily/schily.h>
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#include <schily/string.h>
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#ifndef HAVE_WCSCSPN
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EXPORT size_t
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wcscspn(s1, s2)
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register const wchar_t *s1; /* The string to search */
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const wchar_t *s2; /* The charset used to search */
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{
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register const wchar_t *a;
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register const wchar_t *b;
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if (*s2 == '\0')
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return (wcslen(s1));
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for (a = s1; *a != '\0'; a++) {
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for (b = s2; *b != '\0' && *a != *b; b++)
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;
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if (*b != '\0')
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break;
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}
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return (a - s1);
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}
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#endif
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