diff options
Diffstat (limited to 'libparsepcf_parse_int32_from_unsigned__.c')
| -rw-r--r-- | libparsepcf_parse_int32_from_unsigned__.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/libparsepcf_parse_int32_from_unsigned__.c b/libparsepcf_parse_int32_from_unsigned__.c new file mode 100644 index 0000000..37de799 --- /dev/null +++ b/libparsepcf_parse_int32_from_unsigned__.c @@ -0,0 +1,13 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" + + +int32_t +libparsepcf_parse_int32_from_unsigned__(uint32_t u) +{ + if (u & UINT32_C(0x80000000)) { + return (int32_t)(uint32_t)~u - 1; + } else { + return (int32_t)u; + } +} |