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/stralloc_reverse_blocks.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 src/libstddjb/stralloc_reverse_blocks.c (limited to 'src/libstddjb/stralloc_reverse_blocks.c') diff --git a/src/libstddjb/stralloc_reverse_blocks.c b/src/libstddjb/stralloc_reverse_blocks.c new file mode 100644 index 0000000..6a2e4b8 --- /dev/null +++ b/src/libstddjb/stralloc_reverse_blocks.c @@ -0,0 +1,17 @@ +/* ISC license. */ + +#include +#include + +void stralloc_reverse_blocks (stralloc *sa, unsigned int size) +{ + register unsigned int n = sa->len / (size << 1) ; + register unsigned int i = 0 ; + char tmp[size] ; + for (; i < n ; i++) + { + byte_copy(tmp, size, sa->s + i * size) ; + byte_copy(sa->s + i * size, size, sa->s + (2*n - 1 - i) * size) ; + byte_copy(sa->s + (2*n - 1 - i) * size, size, tmp) ; + } +} -- cgit v1.3.1