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Limit `system.{sleep,wait_event}` to timeouts >= 0 (#1666) 

Otherwise we might wait forever by mistake.
This commit is contained in:
Guldoman 2023-11-29 02:07:33 +01:00 committed by George Sokianos
parent 86b89c402d
commit c4f9542509
1 changed files with 2 additions and 0 deletions
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2
src/api/system.c
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@ -386,6 +386,7 @@ static int f_wait_event(lua_State *L) {
int nargs = lua_gettop(L); int nargs = lua_gettop(L);
if (nargs >= 1) { if (nargs >= 1) {
double n = luaL_checknumber(L, 1); double n = luaL_checknumber(L, 1);
if (n < 0) n = 0;
lua_pushboolean(L, SDL_WaitEventTimeout(NULL, n * 1000)); lua_pushboolean(L, SDL_WaitEventTimeout(NULL, n * 1000));
} else { } else {
lua_pushboolean(L, SDL_WaitEvent(NULL)); lua_pushboolean(L, SDL_WaitEvent(NULL));
@ -861,6 +862,7 @@ static int f_get_time(lua_State *L) {
static int f_sleep(lua_State *L) { static int f_sleep(lua_State *L) {
double n = luaL_checknumber(L, 1); double n = luaL_checknumber(L, 1);
if (n < 0) n = 0;
SDL_Delay(n * 1000); SDL_Delay(n * 1000);
return 0; return 0;
} }