From c6ef89664b8c0d7aa85bddd5c7014aa6df82cbe7 Mon Sep 17 00:00:00 2001 From: tcsullivan Date: Sat, 17 Nov 2018 13:02:57 -0500 Subject: added pdclib, removed sash --- src/pdclib/functions/string/strcmp.c | 41 ++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 src/pdclib/functions/string/strcmp.c (limited to 'src/pdclib/functions/string/strcmp.c') diff --git a/src/pdclib/functions/string/strcmp.c b/src/pdclib/functions/string/strcmp.c new file mode 100644 index 0000000..639fc10 --- /dev/null +++ b/src/pdclib/functions/string/strcmp.c @@ -0,0 +1,41 @@ +/* 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 + +#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 -- cgit v1.2.3