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

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Otherwise we might wait forever by mistake.
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Guldoman
2023-11-29 09:13:12 +08:00
committed by takase1121
parent 35ef0a9484
commit 4adfd44d9f
1 changed files with 2 additions and 0 deletions
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src/api/system.c
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@@ -371,6 +371,7 @@ 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));
@@ -846,6 +847,7 @@ 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;
} }