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optional limits for table.concat

This commit is contained in:
Roberto Ierusalimschy 2002-10-23 16:08:23 -03:00
parent a2b353e044
commit 0fd91b1b08
1 changed files with 6 additions and 4 deletions
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10
ltablib.c
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@ -1,5 +1,5 @@
/*
** $Id: ltablib.c,v 1.12 2002/08/06 18:01:50 roberto Exp roberto $
** $Id: ltablib.c,v 1.13 2002/10/04 14:30:31 roberto Exp roberto $
** Library for Table Manipulation
** See Copyright Notice in lua.h
*/
@ -149,12 +149,14 @@ static int luaB_tremove (lua_State *L) {
static int str_concat (lua_State *L) {
luaL_Buffer b;
int n = aux_getn(L, 1);
size_t lsep;
const char *sep = luaL_opt_lstr(L, 2, "", &lsep);
int i;
int i = luaL_opt_int(L, 3, 1);
int n = luaL_opt_int(L, 4, 0);
luaL_check_type(L, 1, LUA_TTABLE);
if (n == 0) n = aux_getn(L, 1);
luaL_buffinit(L, &b);
for (i=1; i<=n; i++) {
for (; i <= n; i++) {
lua_rawgeti(L, 1, i);
luaL_arg_check(L, lua_isstring(L, -1), 1, "table contains non-strings");
luaL_addvalue(&b);