diff options
Diffstat (limited to 'liolib.c')
| -rw-r--r-- | liolib.c | 14 |
1 files changed, 13 insertions, 1 deletions
@@ -1,5 +1,5 @@ /* -** $Id: liolib.c,v 2.40 2003/04/30 20:15:55 roberto Exp roberto $ +** $Id: liolib.c,v 2.41 2003/04/30 20:24:38 roberto Exp roberto $ ** Standard I/O (and system) library ** See Copyright Notice in lua.h */ @@ -457,6 +457,17 @@ static int f_seek (lua_State *L) { } +static int f_setvbuf (lua_State *L) { + static const int mode[] = {_IONBF, _IOFBF, _IOLBF}; + static const char *const modenames[] = {"no", "full", "line", NULL}; + FILE *f = tofile(L, 1); + int op = luaL_findstring(luaL_checkstring(L, 2), modenames); + luaL_argcheck(L, op != -1, 2, "invalid mode"); + return pushresult(L, setvbuf(f, NULL, mode[op], 0) == 0, NULL); +} + + + static int io_flush (lua_State *L) { return pushresult(L, fflush(getiofile(L, IO_OUTPUT)) == 0, NULL); } @@ -488,6 +499,7 @@ static const luaL_reg flib[] = { {"read", f_read}, {"lines", f_lines}, {"seek", f_seek}, + {"setvbuf", f_setvbuf}, {"write", f_write}, {"close", io_close}, {"__gc", io_gc}, |