added assert for NULL pointer in 'lua_pushlstring'

This commit is contained in:
Roberto Ierusalimschy 2015-08-25 15:50:37 -03:00
parent ed19fe766c
commit 502214f8a5
1 changed files with 6 additions and 1 deletions

7
lapi.c
View File

@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 2.252 2015/08/03 19:50:49 roberto Exp roberto $
** $Id: lapi.c,v 2.253 2015/08/03 20:40:26 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@ -471,10 +471,15 @@ LUA_API void lua_pushinteger (lua_State *L, lua_Integer n) {
}
/*
** Pushes on the stack a string with given length. Even when 'len' == 0,
** 's' cannot be NULL due to later use of 'memcmp' and 'memcpy'.
*/
LUA_API const char *lua_pushlstring (lua_State *L, const char *s, size_t len) {
TString *ts;
lua_lock(L);
luaC_checkGC(L);
api_check(L, s != NULL, "pointer cannot be NULL");
ts = luaS_newlstr(L, s, len);
setsvalue2s(L, L->top, ts);
api_incr_top(L);