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=-0.3 required=5.0 tests=BAYES_00, REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 X-Google-Thread: 103376,9d06e958bd4b5e53 X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news3.google.com!news.glorb.com!news.addix.net!border2.nntp.ams.giganews.com!nntp.giganews.com!feeder.news-service.com!post.news-service.com!news1.surfino.com!not-for-mail Message-Id: <1315747.Nh4vHchO3h@linux1.krischik.com> From: Martin Krischik Subject: Re: interfaces.C - Import struct Newsgroups: comp.lang.ada Reply-To: martin@krischik.com Date: Sun, 13 Mar 2005 10:05:35 +0100 References: Organization: None User-Agent: KNode/0.8.0 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit X-Complaints-To: abuse@surfino.com NNTP-Posting-Host: 83.169.175.19 (83.169.175.19) NNTP-Posting-Date: Sun, 13 Mar 2005 11:00:15 +0100 X-Trace: b80bc42340f2ff60c0ab606860 Xref: g2news1.google.com comp.lang.ada:9300 Date: 2005-03-13T10:05:35+01:00 List-Id: Jean-Baptiste CAMPESATO wrote: > Hello; > In a C Header file i've got this struct : > typedef struct { > void (*driver_setpixel_func) (int, int, int); type driver_setpixel_type is access procedure ( A : Interfaces.C.int; B : Interfaces.C.int; C : Interfaces.C.int); pragma Convetion (C, driver_setpixel_type); > int (*driver_getpixel_func) (int, int); > void (*driver_hline_func) (int, int, int, int); > void (*driver_fillbox_func) (int, int, int, int, int); > void (*driver_putbox_func) (int, int, int, int, void *, int); > void (*driver_getbox_func) (int, int, int, int, void *, int); > void (*driver_putboxmask_func) (int, int, int, int, void *); > void (*driver_putboxpart_func) (int, int, int, int, int, int, void > *, > int, int); > void (*driver_getboxpart_func) (int, int, int, int, int, int, void > *, > int, int); > void (*driver_copybox_func) (int, int, int, int, int, int); > } framebufferfunctions; > > And with the package interfaces.C i wan't to import this structure as > "type framebufferfunctions is record" but i don't know the equivalent of a > pointer for a function in Ada, and if i must import all the possible > function. > And c2ada doesn't work under SlackwareLinux 10.1, Debian Sarge, Fedora2. > I've a lot of error when i compile. > Somebody can help please ? (use c2ada on vgagl.h or explicate me how > translat this struct) You will need to define access to procedure type for each produre - as shown above. And you don't need to import the functions. With Regards Martin BTW: do you know about: typedef void driver_setpixel_type (int, int, int); Looks much nicer then the (*xxxx) stuff - It is also easer to type: just copy the original prototype and replace extern/static with typedef - done. And the code would become symetic to the Ada code making maintance easier. -- mailto://krischik@users.sourceforge.net Ada programming at: http://ada.krischik.com