diff options
Diffstat (limited to 'doc/extension.rdoc')
-rw-r--r-- | doc/extension.rdoc | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/doc/extension.rdoc b/doc/extension.rdoc index 658346d108..5714f22244 100644 --- a/doc/extension.rdoc +++ b/doc/extension.rdoc @@ -642,14 +642,14 @@ with the next macro. TypedData_Wrap_Struct() returns a created Ruby object as a VALUE. The klass argument is the class for the object. -data_type is a pointer to a const ruby_data_type_t which describes +data_type is a pointer to a const rb_data_type_t which describes how Ruby should manage the struct. It is recommended that klass derives from a special class called Data (rb_cData) but not from Object or other ordinal classes. If it doesn't, you have to call rb_undef_alloc_func(klass). -ruby_data_type_t is defined like this. Let's take a look at each +rb_data_type_t is defined like this. Let's take a look at each member of the struct. struct rb_data_type_struct { @@ -825,9 +825,9 @@ To retrieve the dbmdata structure from a Ruby object, we define the following macro: #define GetDBM(obj, dbmp) do {\ - TypedData_Get_Struct(obj, struct dbmdata, &dbm_type, dbmp);\ + TypedData_Get_Struct((obj), struct dbmdata, &dbm_type, (dbmp));\ if ((dbmp) == 0) closed_dbm();\ - if (dbmp->di_dbm == 0) closed_dbm();\ + if ((dbmp)->di_dbm == 0) closed_dbm();\ } while (0) This sort of complicated macro does the retrieving and close checking @@ -1289,7 +1289,7 @@ void rb_define_readonly_variable(const char *name, VALUE *var) :: Defines a read-only global variable. Works just like rb_define_variable(), except the defined variable is read-only. -void rb_define_virtual_variable(const char *name, VALUE (*getter)(), VALUE (*setter)()) :: +void rb_define_virtual_variable(const char *name, VALUE (*getter)(), void (*setter)()) :: Defines a virtual variable, whose behavior is defined by a pair of C functions. The getter function is called when the variable is @@ -1301,7 +1301,7 @@ void rb_define_virtual_variable(const char *name, VALUE (*getter)(), VALUE (*set The getter function must return the value for the access. -void rb_define_hooked_variable(const char *name, VALUE *var, VALUE (*getter)(), VALUE (*setter)()) :: +void rb_define_hooked_variable(const char *name, VALUE *var, VALUE (*getter)(), void (*setter)()) :: Defines hooked variable. It's a virtual variable with a C variable. The getter is called as @@ -1327,7 +1327,7 @@ void rb_define_global_const(const char *name, VALUE val) :: Defines a global constant. This is just the same as - rb_define_const(cKernal, name, val) + rb_define_const(rb_cObject, name, val) == Method Definition @@ -1461,7 +1461,7 @@ char *rb_class2name(VALUE klass) :: Returns the name of the class. -int rb_respond_to(VALUE object, ID id) :: +int rb_respond_to(VALUE obj, ID id) :: Returns true if the object responds to the message specified by id. @@ -1489,7 +1489,7 @@ VALUE rb_block_call(VALUE recv, ID mid, int argc, VALUE * argv, VALUE (*func) (A whereas yielded values can be gotten via argc/argv of the third/fourth arguments. -\[OBSOLETE] VALUE rb_iterate(VALUE (*func1)(), void *arg1, VALUE (*func2)(), void *arg2) :: +\[OBSOLETE] VALUE rb_iterate(VALUE (*func1)(), VALUE arg1, VALUE (*func2)(), VALUE arg2) :: Calls the function func1, supplying func2 as the block. func1 will be called with the argument arg1. func2 receives the value from yield as |