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 --- str_diff.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 str_diff.c (limited to 'str_diff.c') diff --git a/str_diff.c b/str_diff.c new file mode 100644 index 0000000..18f8927 --- /dev/null +++ b/str_diff.c @@ -0,0 +1,17 @@ +#include "str.h" + +int str_diff(s,t) +register char *s; +register char *t; +{ + register char x; + + for (;;) { + x = *s; if (x != *t) break; if (!x) break; ++s; ++t; + x = *s; if (x != *t) break; if (!x) break; ++s; ++t; + x = *s; if (x != *t) break; if (!x) break; ++s; ++t; + x = *s; if (x != *t) break; if (!x) break; ++s; ++t; + } + return ((int)(unsigned int)(unsigned char) x) + - ((int)(unsigned int)(unsigned char) *t); +} -- cgit v1.2.3