From b732a73bc773789894466b0e5320b2f1fe42c7e9 Mon Sep 17 00:00:00 2001 From: John Denker Date: Fri, 1 Jun 2012 18:58:45 -0700 Subject: original, as downloaded from http://www.qmail.org/netqmail-1.06.tar.gz --- case_diffb.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 case_diffb.c (limited to 'case_diffb.c') diff --git a/case_diffb.c b/case_diffb.c new file mode 100644 index 0000000..9064b8a --- /dev/null +++ b/case_diffb.c @@ -0,0 +1,21 @@ +#include "case.h" + +int case_diffb(s,len,t) +register char *s; +unsigned int len; +register char *t; +{ + register unsigned char x; + register unsigned char y; + + while (len > 0) { + --len; + x = *s++ - 'A'; + if (x <= 'Z' - 'A') x += 'a'; else x += 'A'; + y = *t++ - 'A'; + if (y <= 'Z' - 'A') y += 'a'; else y += 'A'; + if (x != y) + return ((int)(unsigned int) x) - ((int)(unsigned int) y); + } + return 0; +} -- cgit v1.2.3