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-rw-r--r--ext/fiddle/extconf.rb14
-rw-r--r--ext/fiddle/fiddle.c62
2 files changed, 76 insertions, 0 deletions
diff --git a/ext/fiddle/extconf.rb b/ext/fiddle/extconf.rb
index 03b0ac27656..95589028d05 100644
--- a/ext/fiddle/extconf.rb
+++ b/ext/fiddle/extconf.rb
@@ -19,6 +19,20 @@ end
have_header 'sys/mman.h'
+config = File.read(RbConfig.expand(File.join($arch_hdrdir, "ruby/config.h")))
+types = {"SIZE_T"=>"SSIZE_T", "PTRDIFF_T"=>nil, "INTPTR_T"=>nil}
+types.each do |type, signed|
+ if /^\#define\s+SIZEOF_#{type}\s+(SIZEOF_(.+)|\d+)/ =~ config
+ if size = $2 and size != 'VOIDP'
+ size = types.fetch(size) {size}
+ $defs << format("-DTYPE_%s=TYPE_%s", signed||type, size)
+ end
+ if signed
+ check_signedness(type.downcase, "stddef.h")
+ end
+ end
+end
+
create_makefile 'fiddle'
# :startdoc:
diff --git a/ext/fiddle/fiddle.c b/ext/fiddle/fiddle.c
index 83c0bb5e1e0..3006bbeb779 100644
--- a/ext/fiddle/fiddle.c
+++ b/ext/fiddle/fiddle.c
@@ -2,6 +2,38 @@
VALUE mFiddle;
+#ifndef TYPE_SSIZE_T
+# if SIZEOF_SIZE_T == SIZEOF_INT
+# define TYPE_SSIZE_T TYPE_INT
+# elif SIZEOF_SIZE_T == SIZEOF_LONG
+# define TYPE_SSIZE_T TYPE_LONG
+# elif defined HAVE_LONG_LONG && SIZEOF_SIZE_T == SIZEOF_LONG_LONG
+# define TYPE_SSIZE_T TYPE_LONG_LONG
+# endif
+#endif
+#define TYPE_SIZE_T (-1*SIGNEDNESS_OF_SIZE_T*TYPE_SSIZE_T)
+
+#ifndef TYPE_PTRDIFF_T
+# if SIZEOF_PTRDIFF_T == SIZEOF_INT
+# define TYPE_PTRDIFF_T TYPE_INT
+# elif SIZEOF_PTRDIFF_T == SIZEOF_LONG
+# define TYPE_PTRDIFF_T TYPE_LONG
+# elif defined HAVE_LONG_LONG && SIZEOF_PTRDIFF_T == SIZEOF_LONG_LONG
+# define TYPE_PTRDIFF_T TYPE_LONG_LONG
+# endif
+#endif
+
+#ifndef TYPE_INTPTR_T
+# if SIZEOF_INTPTR_T == SIZEOF_INT
+# define TYPE_INTPTR_T TYPE_INT
+# elif SIZEOF_INTPTR_T == SIZEOF_LONG
+# define TYPE_INTPTR_T TYPE_LONG
+# elif defined HAVE_LONG_LONG && SIZEOF_INTPTR_T == SIZEOF_LONG_LONG
+# define TYPE_INTPTR_T TYPE_LONG_LONG
+# endif
+#endif
+#define TYPE_UINTPTR_T (-TYPE_INTPTR_T)
+
void
Init_fiddle(void)
{
@@ -71,6 +103,36 @@ Init_fiddle(void)
*/
rb_define_const(mFiddle, "TYPE_DOUBLE", INT2NUM(TYPE_DOUBLE));
+ /* Document-const: TYPE_SIZE_T
+ *
+ * C type - size_t
+ */
+ rb_define_const(mFiddle, "TYPE_SIZE_T", INT2NUM(TYPE_SIZE_T));
+
+ /* Document-const: TYPE_SSIZE_T
+ *
+ * C type - ssize_t
+ */
+ rb_define_const(mFiddle, "TYPE_SSIZE_T", INT2NUM(TYPE_SSIZE_T));
+
+ /* Document-const: TYPE_PTRDIFF_T
+ *
+ * C type - ptrdiff_t
+ */
+ rb_define_const(mFiddle, "TYPE_PTRDIFF_T", INT2NUM(TYPE_PTRDIFF_T));
+
+ /* Document-const: TYPE_INTPTR_T
+ *
+ * C type - intptr_t
+ */
+ rb_define_const(mFiddle, "TYPE_INTPTR_T", INT2NUM(TYPE_INTPTR_T));
+
+ /* Document-const: TYPE_UINTPTR_T
+ *
+ * C type - uintptr_t
+ */
+ rb_define_const(mFiddle, "TYPE_UINTPTR_T", INT2NUM(TYPE_UINTPTR_T));
+
/* Document-const: WINDOWS
*
* Returns a boolean regarding whether the host is WIN32