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MINOR: lua: add utility function for check boolean argument 

Strangely, the Lua API doesn't provides a function like
luaL_checkboolean(). This little function add this one.
This commit is contained in:
Thierry FOURNIER / OZON.IO 2016-11-24 20:37:38 +01:00 committed by Willy Tarreau
parent e365815007
commit 7f3aa8b62f
2 changed files with 9 additions and 0 deletions
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2
include/proto/hlua_fcn.h
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@ -1,6 +1,8 @@
#ifndef _PROTO_HLUA_FCN_H #ifndef _PROTO_HLUA_FCN_H
#define _PROTO_HLUA_FCN_H #define _PROTO_HLUA_FCN_H
int hlua_checkboolean(lua_State *L, int index);
void hlua_class_const_int(lua_State *L, const char *name, int value); void hlua_class_const_int(lua_State *L, const char *name, int value);
void hlua_class_const_str(lua_State *L, const char *name, const char *value); void hlua_class_const_str(lua_State *L, const char *name, const char *value);
void hlua_class_function(lua_State *L, const char *name, int (*function)(lua_State *L)); void hlua_class_function(lua_State *L, const char *name, int (*function)(lua_State *L));

7
src/hlua_fcn.c
View File

@ -41,6 +41,13 @@ static int class_listener_ref;
static struct field stats[STATS_LEN]; static struct field stats[STATS_LEN];
int hlua_checkboolean(lua_State *L, int index)
{
if (!lua_isboolean(L, index))
luaL_argerror(L, index, "boolean expected");
return lua_toboolean(L, index);
}
/* This function gets a struct field and convert it in Lua /* This function gets a struct field and convert it in Lua
* variable. The variable is pushed at the top of the stak. * variable. The variable is pushed at the top of the stak.
*/ */