From 3534b428629be185e096be99e3bd5fdfe32d5544 Mon Sep 17 00:00:00 2001 From: Laurent Bercot Date: Thu, 18 Sep 2014 18:55:44 +0000 Subject: initial commit with rc for skalibs-2.0.0.0 --- src/libstddjb/byte_diff.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 src/libstddjb/byte_diff.c (limited to 'src/libstddjb/byte_diff.c') diff --git a/src/libstddjb/byte_diff.c b/src/libstddjb/byte_diff.c new file mode 100644 index 0000000..9e7f107 --- /dev/null +++ b/src/libstddjb/byte_diff.c @@ -0,0 +1,22 @@ +/* ISC license. */ + +#include + +#ifdef SKALIBS_FLAG_REPLACE_LIBC + +#include + +int byte_diff (register char const *s, register unsigned int n, register char const *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) ; +} + +#endif -- cgit v1.3.1