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/* strcmp( const char *, const char * )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
#include <string.h>
#ifndef REGTEST
int strcmp( const char * s1, const char * s2 )
{
while ( ( *s1 ) && ( *s1 == *s2 ) )
{
++s1;
++s2;
}
return ( *( unsigned char * )s1 - * ( unsigned char * )s2 );
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
int main( void )
{
char cmpabcde[] = "abcde";
char cmpabcd_[] = "abcd\xfc";
char empty[] = "";
TESTCASE( strcmp( abcde, cmpabcde ) == 0 );
TESTCASE( strcmp( abcde, abcdx ) < 0 );
TESTCASE( strcmp( abcdx, abcde ) > 0 );
TESTCASE( strcmp( empty, abcde ) < 0 );
TESTCASE( strcmp( abcde, empty ) > 0 );
TESTCASE( strcmp( abcde, cmpabcd_ ) < 0 );
return TEST_RESULTS;
}
#endif
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