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* error.c (rb_check_typed_struct): new function to check typed

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struct.

* include/ruby/ruby.h (Check_TypedStruct, Data_Get_TypedStruct):
  new macro to check typed struct.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23981 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2009-07-07 04:44:54 +00:00
parent 0f2d1527ab
commit 7bb9cc23a1
3 changed files with 34 additions and 0 deletions
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20
error.c
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@ -316,6 +316,26 @@ rb_check_type(VALUE x, int t)
}
}
void *
rb_check_typed_struct(VALUE obj, const rb_data_type_t *data_type)
{
const char *etype;
static const char mesg[] = "wrong argument type %s (expected %s)";
if (SPECIAL_CONST_P(obj) || BUILTIN_TYPE(obj) != T_DATA) {
Check_Type(obj, T_DATA);
}
if (!RTYPEDDATA_P(obj)) {
etype = rb_obj_classname(obj);
rb_raise(rb_eTypeError, mesg, etype, data_type->name);
}
else if (RTYPEDDATA_TYPE(obj) != data_type) {
etype = RTYPEDDATA_TYPE(obj)->name;
rb_raise(rb_eTypeError, mesg, etype, data_type->name);
}
return DATA_PTR(obj);
}
/* exception classes */
#include <errno.h>