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 --- byte_diff.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 byte_diff.c (limited to 'byte_diff.c') diff --git a/byte_diff.c b/byte_diff.c new file mode 100644 index 0000000..cdbd760 --- /dev/null +++ b/byte_diff.c @@ -0,0 +1,16 @@ +#include "byte.h" + +int byte_diff(s,n,t) +register char *s; +register unsigned int n; +register char *t; +{ + for (;;) { + if (!n) return 0; if (*s != *t) break; ++s; ++t; --n; + if (!n) return 0; if (*s != *t) break; ++s; ++t; --n; + if (!n) return 0; if (*s != *t) break; ++s; ++t; --n; + if (!n) return 0; if (*s != *t) break; ++s; ++t; --n; + } + return ((int)(unsigned int)(unsigned char) *s) + - ((int)(unsigned int)(unsigned char) *t); +} -- cgit v1.2.3