48 lines
834 B
C
48 lines
834 B
C
/* strspn( const char *, const char * )
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This file is part of the Public Domain C Library (PDCLib).
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Permission is granted to use, modify, and / or redistribute at will.
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*/
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#include <string.h>
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#ifndef REGTEST
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size_t strspn( const char * s1, const char * s2 )
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{
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size_t len = 0;
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const char * p;
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while ( s1[ len ] )
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{
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p = s2;
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while ( *p )
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{
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if ( s1[len] == *p )
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{
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break;
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}
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++p;
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}
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if ( ! *p )
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{
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return len;
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}
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++len;
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}
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return len;
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}
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#endif
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#ifdef TEST
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#include "_PDCLIB_test.h"
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int main( void )
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{
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TESTCASE( strspn( abcde, "abc" ) == 3 );
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TESTCASE( strspn( abcde, "b" ) == 0 );
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TESTCASE( strspn( abcde, abcde ) == 5 );
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return TEST_RESULTS;
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}
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#endif
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