From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM autolearn=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!news.eternal-september.org!feeder.eternal-september.org!aioe.org!.POSTED!not-for-mail From: Victor Porton Newsgroups: comp.lang.ada Subject: 'Size hack for enumerated types Date: Sat, 05 Jul 2014 23:32:10 +0300 Organization: Aioe.org NNTP Server Message-ID: NNTP-Posting-Host: BISA/P8IHJbAM3ms471zeQ.user.speranza.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7Bit X-Complaints-To: abuse@aioe.org User-Agent: KNode/4.12.4 X-Notice: Filtered by postfilter v. 0.8.2 Xref: news.eternal-september.org comp.lang.ada:20733 Date: 2014-07-05T23:32:10+03:00 List-Id: I have written the following code: type Flag_Type is (Libxml_Error_Save, Libxml_Structured_Error_Save, URI_Interning, WWW_Skip_Init_Finish); for Flag_Type'Size use Interfaces.C.int'Size; -- hack for Flag_Type use (Libxml_Error_Save => 1, Libxml_Structured_Error_Save => 2, URI_Interning => 3, WWW_Skip_Init_Finish => 4); The code above is intended to be able to pass flag variables into certain C functions (accepting enum types). But it seems that the above code has the drawback of storing in 4 or 8 bytes instead of one byte. What is a better way to do this? -- Victor Porton - http://portonvictor.org