From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH] tools: libxl: Simplify logic in libxl__realloc Date: Thu, 25 Feb 2016 10:14:35 +0000 Message-ID: <1456395275.6225.189.camel@citrix.com> References: <1455896089-6919-1-git-send-email-ian.jackson@eu.citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1455896089-6919-1-git-send-email-ian.jackson@eu.citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Ian Jackson , xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org T24gRnJpLCAyMDE2LTAyLTE5IGF0IDE1OjM0ICswMDAwLCBJYW4gSmFja3NvbiB3cm90ZToKPiBS ZXBsYWNlIHRoZSBsb29wIGV4aXQgYW5kIHNlcGFyYXRlIHRlc3QgZm9yIGxvb3Agb3ZlcnJ1biB3 aXRoIGFuCj4gYXNzZXJ0IGluIHRoZSBsb29wIGJvZHkuCj4gCj4gVGhpcyBzaW1wbGlmaWVzIHRo ZSBjb2RlLsKgwqBJdCBhbHNvIChob3BlZnVsbHkpIGF2b2lkcyBDb3Zlcml0eQo+IHRoaW5raW5n IHRoYXQgZ2MtPmFsbG9jX21heHNpemUgbWlnaHQgY2hhbmdlLCByZXN1bHRpbmcgaW4gdGhlIGxv b3AKPiBmYWlsaW5nIHRvIGZpbmQgdGhlIHJpZ2h0IGFuc3dlciBidXQgYWxzbyBmYWlsaW5nIHRv IGFib3J0LgoKSXQgc3VjY2VlZGVkIGluIHRoaXMgcmVnYXJkLCBidXQgbm93IGNvdmVyaXR5IHRo aW5rcyB0aGF0CmxpYnhsX19nY19pc19yZWFsKGdjKSBtaWdodCByZXR1cm4gZmFsc2UsIHdoaWNo IEkgdGhpbmsgaXMgcmVhc29uYWJsZSBvZiBpdApzaW5jZSBpdCBjYW5ub3QgcG9zc2libHkgdGVs bCBmcm9tIHRoaXMgY29udGV4dCBpZiBnYyBpcyBOT0dDIChhbmQgaGVuY2UKaGFzIGFsbG9jX21h eHNpemU9PTApIG9yIG5vdC4KCkknbSBub3Qgc3VyZSB3aGF0IGNhbiBiZSBkb25lIG5vdywgSSBk b3VidCBhbnkga2luZCBvZiBjaGVjayBvbiBlLmcuCglnYyA9PSAmZ2MtPm93bmVyLT5ub19nYwp3 b3VsZCBiZSBzb21ldGhpbmcgQ292ZXJpdHkgY291bGQgcmVhc29uIGFib3V0IGVpdGhlci4KCj4g Cj4gKGdjLT5hbGxvY19tYXhzaXplIGNhbid0IGNoYW5nZSBiZWNhdXNlIGdjcyBhcmUgYWxsIHNp bmdsZXRocmVhZGVkOgo+IGVpdGhlciB0aGV5IGFyZSBvbiB0aGUgc3RhY2sgb2YgYSBzcGVjaWZp YyB0aHJlYWQsIG9yIHRoZXkgYmVsb25nIHRvCj4gYW4gYW8gYW5kIGFyZSBjb3ZlcmVkIGJ5IHRo ZSBjdHggbG9jay4pCj4gCj4gU2lnbmVkLW9mZi1ieTogSWFuIEphY2tzb24gPElhbi5KYWNrc29u QGV1LmNpdHJpeC5jb20+Cj4gQWNrZWQtYnk6IElhbiBDYW1wYmVsbCA8aWFuLmNhbXBiZWxsQGNp dHJpeC5jb20+Cj4gLS0tCj4gwqB0b29scy9saWJ4bC9saWJ4bF9pbnRlcm5hbC5jIHzCoMKgwqDC oDcgKystLS0tLQo+IMKgMSBmaWxlIGNoYW5nZWQsIDIgaW5zZXJ0aW9ucygrKSwgNSBkZWxldGlv bnMoLSkKPiAKPiBkaWZmIC0tZ2l0IGEvdG9vbHMvbGlieGwvbGlieGxfaW50ZXJuYWwuYyBiL3Rv b2xzL2xpYnhsL2xpYnhsX2ludGVybmFsLmMKPiBpbmRleCBmYzgxMTMwLi5lN2I3NjViIDEwMDY0 NAo+IC0tLSBhL3Rvb2xzL2xpYnhsL2xpYnhsX2ludGVybmFsLmMKPiArKysgYi90b29scy9saWJ4 bC9saWJ4bF9pbnRlcm5hbC5jCj4gQEAgLTExNiwxNiArMTE2LDEzIEBAIHZvaWQgKmxpYnhsX19y ZWFsbG9jKGxpYnhsX19nYyAqZ2MsIHZvaWQgKnB0ciwKPiBzaXplX3QgbmV3X3NpemUpCj4gwqDC oMKgwqDCoGlmIChwdHIgPT0gTlVMTCkgewo+IMKgwqDCoMKgwqDCoMKgwqDCoGxpYnhsX19wdHJf YWRkKGdjLCBuZXdfcHRyKTsKPiDCoMKgwqDCoMKgfSBlbHNlIGlmIChuZXdfcHRyICE9IHB0ciAm JiBsaWJ4bF9fZ2NfaXNfcmVhbChnYykpIHsKPiAtwqDCoMKgwqDCoMKgwqDCoGZvciAoaSA9IDA7 IGkgPCBnYy0+YWxsb2NfbWF4c2l6ZTsgaSsrKSB7Cj4gK8KgwqDCoMKgwqDCoMKgwqBmb3IgKGkg PSAwOyA7IGkrKykgewo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqBhc3NlcnQoaSA8IGdjLT5h bGxvY19tYXhzaXplKTsKPiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoGlmIChnYy0+YWxsb2Nf cHRyc1tpXSA9PSBwdHIpIHsKPiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgZ2Mt PmFsbG9jX3B0cnNbaV0gPSBuZXdfcHRyOwo+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqBicmVhazsKPiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoH0KPiDCoMKgwqDCoMKgwqDC oMKgwqB9Cj4gLcKgwqDCoMKgwqDCoMKgwqBpZiAoaSA9PSBnYy0+YWxsb2NfbWF4c2l6ZSkgewo+ IC3CoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqBMT0coQ1JJVElDQUwsICJwb2ludGVyIGlzIG5vdCB0 cmFja2VkIGJ5IHRoZSBnaXZlbiBnYyIpOwo+IC3CoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqBhYm9y dCgpOwo+IC3CoMKgwqDCoMKgwqDCoMKgfQo+IMKgwqDCoMKgwqB9Cj4gwqAKPiDCoMKgwqDCoMKg cmV0dXJuIG5ld19wdHI7CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0 dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=