Re: OK to use anonymous union (C11 feature)? Opinions wanted
Bastian Märkisch via gnuplot-beta <[email protected]> Tue, 1 Jul 2025 14:55:11 +0200
| Newsgroups | gmane.comp.graphics.gnuplot.devel |
|---|---|
| Message-ID | <[email protected]> |
SSBmdWxseSBzdXBwb3J0IG1ha2luZyB1c2Ugb2YgYSAxNC15ZWFyLW9sZCBzdGFuZGFyZC4gCmh0 dHBzOi8vZ2NjLmdudS5vcmcvcHJvamVjdHMvYy1zdGF0dXMuaHRtbMKgwqBsaXN0cyB0aGF0IGdj YyBhY3R1YWxseSAKc3VwcG9ydHMgYW5vbnltb3VzIHVuaW9ucyBzaW5jZSB2ZXJzaW9uIDQuNiwg d2l0aCBzb21lIHN1cHBvcnQgc2luY2UgCnZlcnNpb24gMy4gT2ZmaWNpYWwgYnVpbGRzIGZvciBX aW5kb3dzIHVzZSBhIG1vZGVybiBnY2MgYW5kIGJ1aWxkIG5pY2VseSAKd2l0aCBjbGFuZ8KgYXMg d2VsbC4gREpHUFAgaGFzIGdjYyAxNCBjcm9zcy1jb21waWxlcnMgYW5kIHRoZSBsYXN0IApvZmZp Y2lhbCBPUy8yIGJ1aWxkIHVzZWQgZ2NjIDMsIGJ1dCBnY2MgOS4wIG9yIGdjYyAxMS40IGFyZSBh dmFpbGFibGUuIApNU1ZDIGhhcyBmdWxsIHN1cHBvcnQgc2luY2UgMjAxNiB2ZXJzaW9uIDE2LjgK CkluIHN1bW1hcnksIGMxMSBzaG91bGQgbm90IGJlIGFuIGlzc3VlIGZvciBhbnkgb2YgdGhlIFdp bmRvd3MsIERKR1BQLCAKT1MvMiBwbGF0Zm9ybXMuIEJhY2tpbmctb3V0IGluIGNhc2Ugb2YgaXNz dWVzIG9uIGNlcnRhaW4gcGxhdGZvcm1zIHNlZW1zIApsaWtlIGEgcmVhc29uYWJsZSBhcHByb2Fj aC4KCmdudXBsb3QgcmVxdWlyZXMgYzk5IHNpbmNlIHF1aXRlIGEgd2hpbGUgYWN0dWFsbHkuIFNl ZSBlLmcuIHRoZSAKZGlzY3Vzc2lvbiBpbiBodHRwczovL3NvdXJjZWZvcmdlLm5ldC9wL2dudXBs b3QvcGF0Y2hlcy80ODQvIGR1ZSB0byBvbGQgCnZlcnNpb25zIG9mIE1TVkMgb25seSBzdXBwb3J0 aW5nIGM4OS4gVGhhdCBwYXRjaCBpcyBmcm9tIDIwMTAhCgpXaGlsZSBhdCBpdDogY2FuIHdlIGFs c28gbm93IHVzZSB0aGUgLy8gY29tbWVudHMgd2hpY2ggYXJlIHBhcnQgb2YgYzk5PwoKIMKgIEJh c3RpYW4KCkFtIDAxLjA3LjIwMjUgdW0gMDg6MzEgc2NocmllYiBFdGhhbiBBIE1lcnJpdHQ6Cj4g QnVnIHJlcG9ydHMgMjgxMiBhbmQgMjgxMyByZXBvcnQgYW5kIGRpYWdub3NlIGEgcHJvYmxlbSB3 aXRoIGNvbG9yLWhhbmRsaW5nCj4gdGhhdCBtYW5pZmVzdHMgb24gQVJNIGFyY2hpdGVjdHVyZXMg YnV0IG5vdCBvbiB4ODYuICBNb3JlIGRldGFpbCBpcyBhdHRhY2hlZAo+IHRvIGJ1ZyAyODEyIGlm IHlvdSB3YW50IGdvcnkgZGV0YWlscy4KPgo+IFRoZSBiYXNpYyBpc3N1ZSBpcyB0aGF0IGRpZmZl cmVudCBjb2RlIGlzIG5lZWRlZCBpZiBjb2xvciBpcyByZXByZXNlbnRlZCBieQo+IGEgc2lnbmVk IGludGVnZXIgKGUuZy4gInBsb3QgZm9vIGx0IDIiKSBvciBieSBhbiB1bnNpZ25lZCAzMi1iaXQg QVJHQiB2YWx1ZQo+IChlLmcuICJzcGxvdCBmb28gd2l0aCBwbTNkIGZpbGxzdHlsZSB0cmFuc3Bh cmVudCBzb2xpZCAwLjI1IikuCj4KPiBJdCBpcyBwb3NzaWJsZSB0byBtb2RpZnkgdGhlIGNvZGUg YnkgaW5zZXJ0aW5nIGFuIGFwcHJvcGlhdGUgY2FzdCB0byBlaXRoZXIKPiAgICAgY29sb3IubHQg PSAoaW50KXZhbHVlICAgICBvciAgICBjb2xvci5sdCA9ICh1bnNpZ25lZCBpbnQpdmFsdWUKPiBl dmVyeXdoZXJlIHRoYXQgaXQgbWF0dGVycy4KPgo+IEhvd2V2ZXIgSU1PIGEgY2xlYW5lciBhcHBy b2FjaCBpcyB0byBtb2RpZnkgdGhlIHRfY29sb3JzcGVjIHN0cnVjdHVyZQo+IHVzaW5nIGFuIGFu b255bW91cyB1bmlvbiB0byBkaXN0aW5ndWlzaCBiZXR3ZWVuIHRoZSB0d28gY2FzZXM6Cj4gJSUl JSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlCj4gICAgdHlwZWRlZiBzdHJ1 Y3QgdF9jb2xvcnNwZWMgewo+ICAgICAgICBjb2xvcnR5cGUgdHlwZTsgICAgICAgICAgICAgICAg IC8qIFRDXzx0eXBlPiBkZWZpbml0aW9ucyBiZWxvdyAqLwo+ICAgICAgICB1bmlvbiB7Cj4gICAg ICAgICAgICBpbnQgbHQ7ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIC8qIHVzZWQgZm9y IFRDX0xULCBUQ19MSU5FU1RZTEUgKi8KPiAgICAgICAgICAgIHVuc2lnbmVkIHJnYmNvbG9yOyAg ICAgIC8qIHVzZWQgZm9yIFRDX1JHQiAqLwo+ICAgICAgICB9Owo+ICAgICAgICBkb3VibGUgdmFs dWU7ICAgICAgICAgICAgICAgICAgICAvKiB1c2VkIGZvciBUQ19DQiBhbmQgVENfRlJBQyAqLwo+ ICAgIH0gdF9jb2xvcnNwZWM7Cj4gJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUl JSUlJSUlCj4KPiBUaGF0IGFsbG93cyB0byB3cml0ZSBjb2RlIGxpa2UKPiAgICAgIGlmIChjb2xv ci50eXBlID09IFRDX1JHQikKPiAJY29sb3IucmdiY29sb3IgPSB2YWx1ZTsKPiAgICAgIGVsc2UK PiAJY29sb3IubHQgPSB2YWx1ZTsKPiBJIGhhdmUgYSB0ZXN0ZWQgdGhpcyBvdXQgaW4gYSBwcml2 YXRlIGdpdCBicmFuY2ggYW5kIGl0IHdvcmtzIGFzIGludGVuZGVkLgo+Cj4gSE9XRVZFUiwgYW5v bnltb3VzIHVuaW9ucyB3ZXJlIG9ubHkgYWRkZWQgdG8gdGhlIEMgc3RhbmRhcmQgaW4gQzExLAo+ IGFsdGhvdWdoIGJvdGggZ2NjIGFuZCBjbGFuZyBhbHJlYWR5IHN1cHBvcnRlZCB0aGVtIHdlbGwg YmVmb3JlIHRoYXQuCj4KPiBTbyB0aGUgcXVlc3Rpb24gaXMsIGlzIGl0IHdvcnRoIGFkZGluZyBh IHJlcXVpcmVtZW50IGZvciBDIGNvbXBpbGVyIHRoYXQgc3VwcG9ydHMKPiBDMTEgb3IgYXQgbGVh c3Qgc3VwcG9ydHMgYW5vbnltb3VzIHVuaW9ucz8KPiBBcyBvZiBnbnVwbG90IHZlcnNpb24gNiB3 ZSdyZSByZXF1aXJpbmcgYzk5ICh2ZXJzaW9uIDUgd2FzIG9rIHdpdGggYzg5KS4KPiBNU1Zpc3Vh bFN0dWRpbyBjbGFpbXMgdG8gc3VwcG9ydCBjMTEgYXMgb2YgMjAxOS4gICBJIGRvbid0IGtub3cg d2hhdCBvdGhlcgo+IGNvbXBpbGVycyBwZW9wbGUgbWlnaHQgYmUgdXNpbmcsIG9yIHdoYXQgdGhl aXIgbGV2ZWwgb2Ygc3VwcG9ydCBtaWdodCBiZS4KPgo+IFdoYXQgZG8geW91IHRoaW5rPwo+IEFk ZCBpdCB0byB0aGUgZGV2ZWxvcG1lbnQgdmVyc2lvbiBhbmQgYmFjayBpdCBvdXQgaWYgY29tcGls ZXIgcHJvYmxlbXMKPiBhcmUgcmVwb3J0ZWQ/ICAgV2hhdCBhYm91dCB0aGUgc3RhYmxlIHZlcnNp b24/Cj4KPiAJRXRoYW4KPgo+Cj4KPgo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCj4gZ251cGxvdC1iZXRhIG1haWxpbmcgbGlzdAo+IGdudXBsb3QtYmV0 YUBsaXN0cy5zb3VyY2Vmb3JnZS5uZXQKPiBNZW1iZXJzaGlwIG1hbmFnZW1lbnQgdmlhOiBodHRw czovL2xpc3RzLnNvdXJjZWZvcmdlLm5ldC9saXN0cy9saXN0aW5mby9nbnVwbG90LWJldGEKCgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpnbnVwbG90LWJl dGEgbWFpbGluZyBsaXN0CmdudXBsb3QtYmV0YUBsaXN0cy5zb3VyY2Vmb3JnZS5uZXQKTWVtYmVy c2hpcCBtYW5hZ2VtZW50IHZpYTogaHR0cHM6Ly9saXN0cy5zb3VyY2Vmb3JnZS5uZXQvbGlzdHMv bGlzdGluZm8vZ251cGxvdC1iZXRhCg==