diff options
Diffstat (limited to 'README.EXT')
| -rw-r--r-- | README.EXT | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/README.EXT b/README.EXT index f24029c826..62bf4f3089 100644 --- a/README.EXT +++ b/README.EXT @@ -730,8 +730,9 @@ To retrieve the dbmdata structure from a Ruby object, we define the following macro: #define GetDBM(obj, dbmp) do {\ - Data_Get_Struct(obj, struct dbmdata, dbmp);\ - if (dbmp->di_dbm == 0) closed_dbm();\ + Data_Get_Struct((obj), struct dbmdata, (dbmp));\ + if ((dbmp) == 0) closed_dbm();\ + if ((dbmp)->di_dbm == 0) closed_dbm();\ } while (0) This sort of complicated macro does the retrieving and close checking for @@ -1192,7 +1193,7 @@ 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 @@ -1204,7 +1205,7 @@ 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 @@ -1231,7 +1232,7 @@ 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 @@ -1359,7 +1360,7 @@ 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. @@ -1387,7 +1388,7 @@ 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 |