66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/***
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*strspnp.c - Search for init substring of chars from control string (MBCS)
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*
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* Copyright (c) 1985-1992, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Search for init substring of chars from control string (MBCS)
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*
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*Revision History:
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* 11-19-92 KRS Ported from 16-bit sources.
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*
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*******************************************************************************/
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#ifdef _MBCS
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#include <cruntime.h>
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#include <mbdata.h>
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#include <mbctype.h>
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#include <mbstring.h>
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#include <stddef.h>
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/***
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* _strspnp - Find first string char not in charset, return pointer (MBCS)
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*
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*Purpose:
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* Returns maximum leading segment of string consisting solely
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* of characters from charset.
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*
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*Entry:
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* unsigned char *string = string to search in
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* unsigned char *charset = set of characters to scan over
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*
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*Exit:
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*
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* Returns pointer to first character not in charset.
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* Returns NULL if string consists entirely of characters from charset.
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*
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*Exceptions:
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*
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*******************************************************************************/
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unsigned char * _CRTAPI1 _strspnp( string, charset )
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const unsigned char *string;
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const unsigned char *charset;
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{
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unsigned char *p, *q;
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/* loop through the string to be inspected */
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for (q = (char *)string; *q; q++) {
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/* loop through the charset */
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for (p = (char *)charset; *p; p++)
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if (*p == *q)
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break;
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if (*p == '\0') /* end of charset? */
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break; /* yes, no match on this char */
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}
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return((*q) ? q : NULL); /* pointer */
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}
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#endif /* _MBCS */
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