1.1 --- a/lib/mldap/mldap.c	Tue Feb 09 21:07:16 2021 +0100
     1.2 +++ b/lib/mldap/mldap.c	Tue Feb 09 21:09:47 2021 +0100
     1.3 @@ -79,7 +79,7 @@
     1.4    lua_State *L,         // pointer to lua_State variable
     1.5    int idx,              // stack index of the table containing the named arguments
     1.6    const char *argname,  // name of the argument
     1.7 -  int mandatory         // if not 0, then the argument is mandatory and an error is raised if it isn't found
     1.8 +  bool mandatory        // if not 0, then the argument is mandatory and an error is raised if it isn't found
     1.9  
    1.10    // leaves the string as new element on top of the stack
    1.11  ) {
    1.12 @@ -114,8 +114,8 @@
    1.13    lua_State *L,             // pointer to lua_State variable
    1.14    int idx,                  // stack index of the table containing the named arguments
    1.15    const char *argname,      // name of the argument
    1.16 -  int mandatory,            // if not 0, then the argument is mandatory and an error is raised if it isn't found
    1.17 -  lua_Number default_value  // default value to return, if the argument is not mandatory and nil or false
    1.18 +  bool mandatory,           // if not 0, then the argument is mandatory and an error is raised if it isn't found
    1.19 +  lua_Number default_value  // default value to return, if the argument is not mandatory and nil
    1.20  
    1.21    // opposed to 'mldap_get_named_string_arg', this function leaves no element on the stack
    1.22  ) {
    1.23 @@ -145,6 +145,8 @@
    1.24    }
    1.25  
    1.26    // remove unnecessary element from stack (not needed to avoid garbage collection):
    1.27 +  lua_pop(L, 1);
    1.28 +
    1.29    return value;
    1.30  
    1.31    // leaves no new elements on the stack
    1.32 @@ -157,7 +159,7 @@
    1.33    lua_State *L,             // pointer to lua_State variable
    1.34    int idx,                  // stack index of the table containing the named arguments
    1.35    const char *argname,      // name of the argument
    1.36 -  int mandatory,            // if not 0, then the argument is mandatory and an error is raised if it isn't found
    1.37 +  bool mandatory,           // if not 0, then the argument is mandatory and an error is raised if it isn't found
    1.38    bool default_value        // default value to return, if the argument is not mandatory and nil
    1.39  
    1.40    // opposed to 'mldap_get_named_string_arg', this function leaves no element on the stack