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luaL_findstring -> luaL_checkoption

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Roberto Ierusalimschy
2005-05-25 10:21:26 -03:00
parent 38da9d568a
commit e8a7ecb982
5 changed files with 18 additions and 18 deletions
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8
liolib.c
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@@ -1,5 +1,5 @@
/*
** $Id: liolib.c,v 2.59 2005/03/18 18:01:14 roberto Exp roberto $
** $Id: liolib.c,v 2.60 2005/05/16 21:19:00 roberto Exp roberto $
** Standard I/O (and system) library
** See Copyright Notice in lua.h
*/
@@ -400,9 +400,8 @@ static int f_seek (lua_State *L) {
static const int mode[] = {SEEK_SET, SEEK_CUR, SEEK_END};
static const char *const modenames[] = {"set", "cur", "end", NULL};
FILE *f = tofile(L);
int op = luaL_findstring(luaL_optstring(L, 2, "cur"), modenames);
int op = luaL_checkoption(L, 2, "cur", modenames);
lua_Integer offset = luaL_optinteger(L, 3, 0);
luaL_argcheck(L, op != -1, 2, "invalid mode");
op = fseek(f, offset, mode[op]);
if (op)
return pushresult(L, 0, NULL); /* error */
@@ -417,8 +416,7 @@ 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);
int op = luaL_findstring(luaL_checkstring(L, 2), modenames);
luaL_argcheck(L, op != -1, 2, "invalid mode");
int op = luaL_checkoption(L, 2, NULL, modenames);
return pushresult(L, setvbuf(f, NULL, mode[op], 0) == 0, NULL);
}