| 84 | |
| 85 | |
| 86 | static int b_shift (lua_State *L, b_uint r, int i) { |
| 87 | if (i < 0) { /* shift right? */ |
| 88 | i = -i; |
| 89 | r = trim(r); |
| 90 | if (i >= LUA_NBITS) r = 0; |
| 91 | else r >>= i; |
| 92 | } |
| 93 | else { /* shift left */ |
| 94 | if (i >= LUA_NBITS) r = 0; |
| 95 | else r <<= i; |
| 96 | r = trim(r); |
| 97 | } |
| 98 | lua_pushunsigned(L, r); |
| 99 | return 1; |
| 100 | } |
| 101 | |
| 102 | |
| 103 | static int b_lshift (lua_State *L) { |
no test coverage detected