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nfqws2: uXadd luacalls

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bol-van
2025-12-05 22:30:45 +03:00
parent efd8acb8de
commit 0c2abab6a9
2 changed files with 42 additions and 0 deletions
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3
docs/changes.txt
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@@ -50,3 +50,6 @@ v0.4
* nfqws2: execution_plan, execution_plan_cancel
* blockcheck2: fix broken dns cache
* nfqws2: LUA_COMPAT_VER tracking
v0.5
* nfqws2: u8add,u16add,u24add,u32add luacalls

39
nfq2/lua.c
View File

@@ -212,6 +212,40 @@ static int luacall_swap16(lua_State *L)
lua_pushinteger(L,(u>>8) | ((u&0xFF)<<8));
return 1;
}
static int lua_uxadd(lua_State *L, uint32_t max)
{
lua_Integer sum=0, v;
int argc = lua_gettop(L);
for(int i=1;i<=argc;i++)
{
v = luaL_checkinteger(L,i);
if (v>max || v<-(lua_Integer)max) luaL_error(L, "out of range");
sum+=v;
}
lua_pushinteger(L, sum & max);
return 1;
}
static int luacall_u8add(lua_State *L)
{
lua_check_argc_range(L,"u8add",2,100);
return lua_uxadd(L, 0xFF);
}
static int luacall_u16add(lua_State *L)
{
lua_check_argc_range(L,"u16add",2,100);
return lua_uxadd(L, 0xFFFF);
}
static int luacall_u24add(lua_State *L)
{
lua_check_argc_range(L,"u24add",2,100);
return lua_uxadd(L, 0xFFFFFF);
}
static int luacall_u32add(lua_State *L)
{
lua_check_argc_range(L,"u32add",2,100);
return lua_uxadd(L, 0xFFFFFFFF);
}
static int luacall_swap32(lua_State *L)
{
lua_check_argc(L,"swap32",1);
@@ -2948,6 +2982,11 @@ static void lua_init_functions(void)
{"u16",luacall_u16},
{"u24",luacall_u24},
{"u32",luacall_u32},
// add any number of arguments as they would be unsigned int of specific size
{"u8add",luacall_u8add},
{"u16add",luacall_u16add},
{"u24add",luacall_u24add},
{"u32add",luacall_u32add},
// convert number to blob (string) - big endian
{"bu8",luacall_bu8},
{"bu16",luacall_bu16},