| Language: |
|
| Pastebin: | 117018 |
| Author: | Anonymous |
| Subject: | Untitled |
| Created: | 2009-07-03 13:33:42 |
Download and save
Toggle line numbers
| 1 | static int str_sub (lua_State *L) {
| | 2 | size_t l;
| | 3 | const char *s = luaL_checklstring(L, 1, &l);
| | 4 | ptrdiff_t start = posrelat(luaL_checkint32(L, 2), l);
| | 5 | ptrdiff_t end = posrelat(luaL_optint32(L, 3, -1), l);
| | 6 | if (start < 1) start = 1;
| | 7 | if (end > (ptrdiff_t)l) end = (ptrdiff_t)l;
| | 8 | if (start <= end)
| | 9 | lua_pushlstring(L, s+start-1, end-start+1);
| | 10 | else lua_pushliteral(L, "");
| | 11 | return 1;
| | 12 | }
| | 13 |
|
|
| Thread: |
|
Tip: Click the line numbers to toggle highliting on that line.
Note: You can prefix a line with "@@@" to highlight it.