diff options
Diffstat (limited to 'src/lib_bit.c')
| -rw-r--r-- | src/lib_bit.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/lib_bit.c b/src/lib_bit.c index 9e75eef3..b7988d70 100644 --- a/src/lib_bit.c +++ b/src/lib_bit.c @@ -55,8 +55,8 @@ LJLIB_CF(bit_tohex) int32_t i, n = L->base+1 >= L->top ? 8 : lj_lib_checkbit(L, 2); const char *hexdigits = "0123456789abcdef"; char buf[8]; - if (n < 0) { n = -n; hexdigits = "0123456789ABCDEF"; } - if (n > 8) n = 8; + if (n < 0) { n = (int32_t)(~(uint32_t)n+1u); hexdigits = "0123456789ABCDEF"; } + if ((uint32_t)n > 8) n = 8; for (i = n; --i >= 0; ) { buf[i] = hexdigits[b & 15]; b >>= 4; } lua_pushlstring(L, buf, (size_t)n); return 1; |