45 lines
915 B
C
45 lines
915 B
C
/* strcat( 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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char * strcat( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2 )
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{
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char * rc = s1;
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if ( *s1 )
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{
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while ( *++s1 );
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}
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while ( (*s1++ = *s2++) );
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return rc;
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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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char s[] = "xx\0xxxxxx";
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TESTCASE( strcat( s, abcde ) == s );
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TESTCASE( s[2] == 'a' );
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TESTCASE( s[6] == 'e' );
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TESTCASE( s[7] == '\0' );
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TESTCASE( s[8] == 'x' );
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s[0] = '\0';
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TESTCASE( strcat( s, abcdx ) == s );
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TESTCASE( s[4] == 'x' );
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TESTCASE( s[5] == '\0' );
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TESTCASE( strcat( s, "\0" ) == s );
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TESTCASE( s[5] == '\0' );
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TESTCASE( s[6] == 'e' );
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return TEST_RESULTS;
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}
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#endif
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