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Diffstat (limited to '')
| -rw-r--r-- | libparsepcf_parse_int16_from_unsigned__.c | 13 |
1 files changed, 13 insertions, 0 deletions
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; + } +} |