X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;ds=sidebyside;f=functions%2Fstring%2Fstrcmp.c;h=f6a555b56de7d0076c425a472466e393bec43685;hb=ba5eff8dd9b426485e1559b5d6204692d155d9e8;hp=17e138cdf2b989a389e385982112bbda9e6cd42f;hpb=0a5395faab237ba9008352b0f4bee9659bbd3d5f;p=pdclib diff --git a/functions/string/strcmp.c b/functions/string/strcmp.c index 17e138c..f6a555b 100644 --- a/functions/string/strcmp.c +++ b/functions/string/strcmp.c @@ -1,38 +1,28 @@ -// ---------------------------------------------------------------------------- -// $Id$ -// ---------------------------------------------------------------------------- -// Public Domain C Library - http://pdclib.sourceforge.net -// This code is Public Domain. Use, modify, and redistribute at will. -// ---------------------------------------------------------------------------- +/* $Id$ */ -int strcmp( const char * s1, const char * s2 ) { /* TODO */ }; +/* Release $Name$ */ -/* Therx code +/* 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. +*/ + +int strcmp( const char * s1, const char * s2 ) { - while ((*s1 != '\0') && (*s1 == *s2)) + while ( ( *s1 ) && ( *s1 == *s2 ) ) { - s1++; - s2++; + ++s1; + ++s2; } - return (*(unsigned char *) s1) - (*(unsigned char *) s2); + return ( *s1 - *s2 ); } -*/ -/* PDPC code - unreviewed +#warning Test driver missing. + +#ifdef TEST +int main() { - const unsigned char *p1; - const unsigned char *p2; - - p1 = (const unsigned char *)s1; - p2 = (const unsigned char *)s2; - while (*p1 != '\0') - { - if (*p1 < *p2) return (-1); - else if (*p1 > *p2) return (1); - p1++; - p2++; - } - if (*p2 == '\0') return (0); - else return (-1); + return 0; } -*/ +#endif