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From: Samuel Williams <samuel.williams@oriontransfer.co.nz>
To: raindrops-public@yhbt.net
Cc: Samuel Williams <samuel.williams@oriontransfer.co.nz>
Subject: [PATCH] Improve compatibility with Ruby 3.3+
Date: Fri,  9 Jun 2023 19:48:05 +0900	[thread overview]
Message-ID: <20230609104805.39022-1-samuel.williams@oriontransfer.co.nz> (raw)

Prefer to use `rb_io_descriptor` in my_fileno if it is available. This
function was introduced in Ruby 3.1. Ruby 3.3 will deprecate access to
all internal fields of `rb_io_t`.
---
 ext/raindrops/extconf.rb  | 1 +
 ext/raindrops/my_fileno.h | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/ext/raindrops/extconf.rb b/ext/raindrops/extconf.rb
index 792e509..1733703 100644
--- a/ext/raindrops/extconf.rb
+++ b/ext/raindrops/extconf.rb
@@ -4,6 +4,7 @@
 dir_config('atomic_ops')
 have_func('mmap', 'sys/mman.h') or abort 'mmap() not found'
 have_func('munmap', 'sys/mman.h') or abort 'munmap() not found'
+have_func('rb_io_descriptor')
 
 $CPPFLAGS += " -D_GNU_SOURCE "
 have_func('mremap', 'sys/mman.h')
diff --git a/ext/raindrops/my_fileno.h b/ext/raindrops/my_fileno.h
index 4c8ffba..00c5d29 100644
--- a/ext/raindrops/my_fileno.h
+++ b/ext/raindrops/my_fileno.h
@@ -3,6 +3,12 @@
 
 static int my_fileno(VALUE io)
 {
+#ifdef HAVE_RB_IO_DESCRIPTOR
+	if (TYPE(io) != T_FILE)
+		io = rb_convert_type(io, T_FILE, "IO", "to_io");
+
+	return rb_io_descriptor(io);
+#else
 	rb_io_t *fptr;
 
 	if (TYPE(io) != T_FILE)
@@ -12,4 +18,5 @@ static int my_fileno(VALUE io)
 	if (fptr->fd < 0)
 		rb_raise(rb_eIOError, "closed stream");
 	return fptr->fd;
+#endif
 }
-- 
2.39.2 (Apple Git-143)


             reply	other threads:[~2023-06-09 10:48 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-09 10:48 Samuel Williams [this message]
2023-06-09 10:53 ` [PATCH] Improve compatibility with Ruby 3.3+ Samuel Williams

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