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-rw-r--r--include/ruby/io/buffer.h11
1 files changed, 5 insertions, 6 deletions
diff --git a/include/ruby/io/buffer.h b/include/ruby/io/buffer.h
index 89efc0597d..e4d98bf051 100644
--- a/include/ruby/io/buffer.h
+++ b/include/ruby/io/buffer.h
@@ -58,6 +58,9 @@ enum rb_io_buffer_flags {
// The buffer is read-only and cannot be modified.
RB_IO_BUFFER_READONLY = 128,
+
+ // The buffer is backed by a file.
+ RB_IO_BUFFER_FILE = 256,
};
// Represents the endian of the data types.
@@ -66,14 +69,10 @@ enum rb_io_buffer_endian {
RB_IO_BUFFER_LITTLE_ENDIAN = 4,
RB_IO_BUFFER_BIG_ENDIAN = 8,
-#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
- RB_IO_BUFFER_HOST_ENDIAN = RB_IO_BUFFER_LITTLE_ENDIAN,
-#elif defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+#if defined(WORDS_BIGENDIAN)
RB_IO_BUFFER_HOST_ENDIAN = RB_IO_BUFFER_BIG_ENDIAN,
-#elif defined(REG_DWORD) && REG_DWORD == REG_DWORD_LITTLE_ENDIAN
+#else
RB_IO_BUFFER_HOST_ENDIAN = RB_IO_BUFFER_LITTLE_ENDIAN,
-#elif defined(REG_DWORD) && REG_DWORD == REG_DWORD_BIG_ENDIAN
- RB_IO_BUFFER_HOST_ENDIAN = RB_IO_BUFFER_BIG_ENDIAN,
#endif
RB_IO_BUFFER_NETWORK_ENDIAN = RB_IO_BUFFER_BIG_ENDIAN