From 52f4424f2dcffa5e20e55c52a5777ce9212d05c5 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Fri, 29 Oct 2021 23:00:19 +0200 Subject: First commit MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- libparsepcf_parse_int16_from_unsigned__.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 libparsepcf_parse_int16_from_unsigned__.c (limited to 'libparsepcf_parse_int16_from_unsigned__.c') diff --git a/libparsepcf_parse_int16_from_unsigned__.c b/libparsepcf_parse_int16_from_unsigned__.c new file mode 100644 index 0000000..3d61ef8 --- /dev/null +++ b/libparsepcf_parse_int16_from_unsigned__.c @@ -0,0 +1,13 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" + + +int16_t +libparsepcf_parse_int16_from_unsigned__(uint16_t u) +{ + if (u & UINT16_C(0x8000)) { + return (int16_t)(uint16_t)~u - 1; + } else { + return (int16_t)u; + } +} -- cgit v1.2.3-70-g09d2