From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from forward501o.mail.yandex.net (forward501o.mail.yandex.net [37.140.190.203]) by sourceware.org (Postfix) with ESMTPS id 036C23853558 for ; Thu, 1 Sep 2022 09:41:21 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 036C23853558 Received: from iva6-306d91cb762b.qloud-c.yandex.net (iva6-306d91cb762b.qloud-c.yandex.net [IPv6:2a02:6b8:c0c:7e96:0:640:306d:91cb]) by forward501o.mail.yandex.net (Yandex) with ESMTP id 31AF945C3C8A; Thu, 1 Sep 2022 12:41:18 +0300 (MSK) Received: from 2a02:6b8:c0c:929a:0:640:b072:565f (2a02:6b8:c0c:929a:0:640:b072:565f [2a02:6b8:c0c:929a:0:640:b072:565f]) by iva6-306d91cb762b.qloud-c.yandex.net (mxback/Yandex) with HTTP id GfK5T60gNCg1-fHgKJWU4; Thu, 01 Sep 2022 12:41:17 +0300 X-Yandex-Fwd: 1 Received: by iva1-b072565fc81a.qloud-c.yandex.net with HTTP; Thu, 01 Sep 2022 12:41:17 +0300 From: =?utf-8?B?0JTQsNC90LjQuNC7INCQ0LvQtdC60YHQsNC90LTRgNC+0LLQuNGHINCk0YDQvtC70L7Qsg==?= To: Marek Polacek Cc: "gcc-patches@gcc.gnu.org" In-Reply-To: References: Subject: Re: -Wformat-overflow handling for %b and %B directives in C2X standard MIME-Version: 1.0 X-Mailer: Yamail [ http://yandex.ru ] 5.0 Date: Thu, 01 Sep 2022 14:41:17 +0500 Message-Id: <1615351662024992@mail.yandex.ru> X-Spam-Status: No, score=-14.8 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, HTML_MESSAGE, RCVD_IN_DNSWL_LOW, SPF_HELO_NONE, SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org Content-Type: text/x-diff; name="0001-Support-b-B-for-Wformat-overflow-sprintf-snprintf.patch" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="0001-Support-b-B-for-Wformat-overflow-sprintf-snprintf.patch" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Sep 2022 09:41:24 -0000 RnJvbSBlYjllODI0MWQ5OTE0NTAyMGVjNWMwNTBjOTE4YzFhZDNhYmMyNzAxIE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBGcm9sb3YgRGFuaWlsIDxmcm9sb3YuZGFAcGh5c3RlY2guZWR1 PgpEYXRlOiBUaHUsIDEgU2VwIDIwMjIgMTA6NTU6MDEgKzAzMDAKU3ViamVjdDogW1BBVENIXSBT dXBwb3J0ICViLCAlQiBmb3IgLVdmb3JtYXQtb3ZlcmZsb3cgKHNwcmludGYsIHNucHJpbnRmKQoK Z2NjL0NoYW5nZUxvZzoKCgkqIGdpbXBsZS1zc2Etc3ByaW50Zi5jYyAoZm10cmVzdWx0Ojp0eXBl X21heF9kaWdpdHMpOiBIYW5kbGUKCWJhc2UgPT0gMi4KCSh0cmVlX2RpZ2l0cyk6IExpa2V3aXNl LgoJKGZvcm1hdF9pbnRlZ2VyKTogTGlrZXdpc2UuCgkocGFyc2VfZGlyZWN0aXZlKTogQWRkIGNh c2VzIGZvciAlYiBhbmQgJUIgZGlyZWN0aXZlcy4KCmdjYy90ZXN0c3VpdGUvQ2hhbmdlTG9nOgoK CSogZ2NjLmRnL1dmb3JtYXQtb3ZlcmZsb3cxLmM6IE5ldyB0ZXN0LgotLS0KIGdjYy9naW1wbGUt c3NhLXNwcmludGYuY2MgICAgICAgICAgICAgICAgfCA0MSArKysrKysrKysrKysrKystLS0tLS0t LS0KIGdjYy90ZXN0c3VpdGUvZ2NjLmRnL1dmb3JtYXQtb3ZlcmZsb3cxLmMgfCAyOCArKysrKysr KysrKysrKysrCiAyIGZpbGVzIGNoYW5nZWQsIDUzIGluc2VydGlvbnMoKyksIDE2IGRlbGV0aW9u cygtKQogY3JlYXRlIG1vZGUgMTAwNjQ0IGdjYy90ZXN0c3VpdGUvZ2NjLmRnL1dmb3JtYXQtb3Zl cmZsb3cxLmMKCmRpZmYgLS1naXQgYS9nY2MvZ2ltcGxlLXNzYS1zcHJpbnRmLmNjIGIvZ2NjL2dp bXBsZS1zc2Etc3ByaW50Zi5jYwppbmRleCBhODg4YjVhYzdkNS4uMWRkOWIwZGM0NmIgMTAwNjQ0 Ci0tLSBhL2djYy9naW1wbGUtc3NhLXNwcmludGYuY2MKKysrIGIvZ2NjL2dpbXBsZS1zc2Etc3By aW50Zi5jYwpAQCAtNTM1LDYgKzUzNSw4IEBAIGZtdHJlc3VsdDo6dHlwZV9tYXhfZGlnaXRzICh0 cmVlIHR5cGUsIGludCBiYXNlKQogICB1bnNpZ25lZCBwcmVjID0gVFlQRV9QUkVDSVNJT04gKHR5 cGUpOwogICBzd2l0Y2ggKGJhc2UpCiAgICAgeworICAgIGNhc2UgMjoKKyAgICAgIHJldHVybiBw cmVjOwogICAgIGNhc2UgODoKICAgICAgIHJldHVybiAocHJlYyArIDIpIC8gMzsKICAgICBjYXNl IDEwOgpAQCAtODA0LDkgKzgwNiw5IEBAIGlsb2cgKHVuc2lnbmVkIEhPU1RfV0lERV9JTlQgeCwg aW50IGJhc2UpCiAvKiBSZXR1cm4gdGhlIG51bWJlciBvZiBieXRlcyByZXN1bHRpbmcgZnJvbSBj b252ZXJ0aW5nIGludG8gYSBzdHJpbmcKICAgIHRoZSBJTlRFR0VSX0NTVCB0cmVlIG5vZGUgWCBp biBCQVNFIHdpdGggYSBtaW5pbXVtIG9mIFBSRUMgZGlnaXRzLgogICAgUExVUyBpbmRpY2F0ZXMg d2hldGhlciAxIGZvciBhIHBsdXMgc2lnbiBzaG91bGQgYmUgYWRkZWQgZm9yIHBvc2l0aXZlCi0g ICBudW1iZXJzLCBhbmQgUFJFRklYIHdoZXRoZXIgdGhlIGxlbmd0aCBvZiBhbiBvY3RhbCAoJ08n KSBvciBoZXhhZGVjaW1hbAotICAgKCcweCcpIHByZWZpeCBzaG91bGQgYmUgYWRkZWQgZm9yIG5v bnplcm8gbnVtYmVycy4gIFJldHVybiAtMSBpZiBYIGNhbm5vdAotICAgYmUgcmVwcmVzZW50ZWQu ICAqLworICAgbnVtYmVycywgYW5kIFBSRUZJWCB3aGV0aGVyIHRoZSBsZW5ndGggb2YgYW4gb2N0 YWwgKCcwJykgb3IgaGV4YWRlY2ltYWwKKyAgICgnMHgnKSBvciBiaW5hcnkgKCcwYicpIHByZWZp eCBzaG91bGQgYmUgYWRkZWQgZm9yIG5vbnplcm8gbnVtYmVycy4KKyAgIFJldHVybiAtMSBpZiBY IGNhbm5vdCBiZSByZXByZXNlbnRlZC4gICovCiAKIHN0YXRpYyBIT1NUX1dJREVfSU5UCiB0cmVl X2RpZ2l0cyAodHJlZSB4LCBpbnQgYmFzZSwgSE9TVF9XSURFX0lOVCBwcmVjLCBib29sIHBsdXMs IGJvb2wgcHJlZml4KQpAQCAtODU3LDExICs4NTksMTEgQEAgdHJlZV9kaWdpdHMgKHRyZWUgeCwg aW50IGJhc2UsIEhPU1RfV0lERV9JTlQgcHJlYywgYm9vbCBwbHVzLCBib29sIHByZWZpeCkKIAog ICAvKiBBZGp1c3QgYSBub24temVybyB2YWx1ZSBmb3IgdGhlIGJhc2UgcHJlZml4LCBlaXRoZXIg aGV4YWRlY2ltYWwsCiAgICAgIG9yLCB1bmxlc3MgcHJlY2lzaW9uIGhhcyByZXN1bHRlZCBpbiBh IGxlYWRpbmcgemVybywgYWxzbyBvY3RhbC4gICovCi0gIGlmIChwcmVmaXggJiYgYWJzdmFsICYm IChiYXNlID09IDE2IHx8IHByZWMgPD0gbmRpZ3MpKQorICBpZiAocHJlZml4ICYmIGFic3ZhbCkK ICAgICB7Ci0gICAgICBpZiAoYmFzZSA9PSA4KQorICAgICAgaWYgKGJhc2UgPT0gOCAmJiBwcmVj IDw9IG5kaWdzKQogCXJlcyArPSAxOwotICAgICAgZWxzZSBpZiAoYmFzZSA9PSAxNikKKyAgICAg IGVsc2UgaWYgKGJhc2UgPT0gMTYgfHwgYmFzZSA9PSAyKSAvKiAweC4uLigwWC4uLikgb3IgMGIu Li4oMEIuLi4pLiAgKi8KIAlyZXMgKz0gMjsKICAgICB9CiAKQEAgLTEyMDksNyArMTIxMSw3IEBA IGZvcm1hdF9pbnRlZ2VyIChjb25zdCBkaXJlY3RpdmUgJmRpciwgdHJlZSBhcmcsIHBvaW50ZXJf cXVlcnkgJnB0cl9xcnkpCiAKICAgLyogVHJ1ZSB3aGVuIGEgY29udmVyc2lvbiBpcyBwcmVjZWRl ZCBieSBhIHByZWZpeCBpbmRpY2F0aW5nIHRoZSBiYXNlCiAgICAgIG9mIHRoZSBhcmd1bWVudCAo b2N0YWwgb3IgaGV4YWRlY2ltYWwpLiAgKi8KLSAgYm9vbCBtYXliZWJhc2UgPSBkaXIuZ2V0X2Zs YWcgKCcjJyk7CisgIGNvbnN0IGJvb2wgbWF5YmViYXNlID0gZGlyLmdldF9mbGFnICgnIycpOwog CiAgIC8qIFRydWUgd2hlbiBhIHNpZ25lZCBjb252ZXJzaW9uIGlzIHByZWNlZGVkIGJ5IGEgc2ln biBvciBzcGFjZS4gICovCiAgIGJvb2wgbWF5YmVzaWduID0gZmFsc2U7CkBAIC0xMjI5LDYgKzEy MzEsMTAgQEAgZm9ybWF0X2ludGVnZXIgKGNvbnN0IGRpcmVjdGl2ZSAmZGlyLCB0cmVlIGFyZywg cG9pbnRlcl9xdWVyeSAmcHRyX3FyeSkKICAgICBjYXNlICd1JzoKICAgICAgIGJhc2UgPSAxMDsK ICAgICAgIGJyZWFrOworICAgIGNhc2UgJ2InOgorICAgIGNhc2UgJ0InOgorICAgICAgYmFzZSA9 IDI7CisgICAgICBicmVhazsKICAgICBjYXNlICdvJzoKICAgICAgIGJhc2UgPSA4OwogICAgICAg YnJlYWs7CkBAIC0xMjQwLDYgKzEyNDYsOCBAQCBmb3JtYXRfaW50ZWdlciAoY29uc3QgZGlyZWN0 aXZlICZkaXIsIHRyZWUgYXJnLCBwb2ludGVyX3F1ZXJ5ICZwdHJfcXJ5KQogICAgICAgZ2NjX3Vu cmVhY2hhYmxlICgpOwogICAgIH0KIAorICBjb25zdCB1bnNpZ25lZCBhZGogPSAoc2lnbiB8IG1h eWJlYmFzZSkgKyAoYmFzZSA9PSAyIHx8IGJhc2UgPT0gMTYpOworCiAgIC8qIFRoZSB0eXBlIG9m IHRoZSAiZm9ybWFsIiBhcmd1bWVudCBleHBlY3RlZCBieSB0aGUgZGlyZWN0aXZlLiAgKi8KICAg dHJlZSBkaXJ0eXBlID0gTlVMTF9UUkVFOwogCkBAIC0xMzUwLDExICsxMzU4LDkgQEAgZm9ybWF0 X2ludGVnZXIgKGNvbnN0IGRpcmVjdGl2ZSAmZGlyLCB0cmVlIGFyZywgcG9pbnRlcl9xdWVyeSAm cHRyX3FyeSkKICAgICAgIHJlcy5yYW5nZS51bmxpa2VseSA9IHJlcy5yYW5nZS5tYXg7CiAKICAg ICAgIC8qIEJ1bXAgdXAgdGhlIGNvdW50ZXJzIGlmIFdJRFRIIGlzIGdyZWF0ZXIgdGhhbiBMRU4u ICAqLwotICAgICAgcmVzLmFkanVzdF9mb3Jfd2lkdGhfb3JfcHJlY2lzaW9uIChkaXIud2lkdGgs IGRpcnR5cGUsIGJhc2UsCi0JCQkJCSAoc2lnbiB8IG1heWJlYmFzZSkgKyAoYmFzZSA9PSAxNikp OworICAgICAgcmVzLmFkanVzdF9mb3Jfd2lkdGhfb3JfcHJlY2lzaW9uIChkaXIud2lkdGgsIGRp cnR5cGUsIGJhc2UsIGFkaik7CiAgICAgICAvKiBCdW1wIHVwIHRoZSBjb3VudGVycyBhZ2FpbiBp ZiBQUkVDaXNpb24gaXMgZ3JlYXRlciBzdGlsbC4gICovCi0gICAgICByZXMuYWRqdXN0X2Zvcl93 aWR0aF9vcl9wcmVjaXNpb24gKGRpci5wcmVjLCBkaXJ0eXBlLCBiYXNlLAotCQkJCQkgKHNpZ24g fCBtYXliZWJhc2UpICsgKGJhc2UgPT0gMTYpKTsKKyAgICAgIHJlcy5hZGp1c3RfZm9yX3dpZHRo X29yX3ByZWNpc2lvbiAoZGlyLnByZWMsIGRpcnR5cGUsIGJhc2UsIGFkaik7CiAKICAgICAgIHJl dHVybiByZXM7CiAgICAgfQpAQCAtMTUwMywxNyArMTUwOSwxNSBAQCBmb3JtYXRfaW50ZWdlciAo Y29uc3QgZGlyZWN0aXZlICZkaXIsIHRyZWUgYXJnLCBwb2ludGVyX3F1ZXJ5ICZwdHJfcXJ5KQog CSAgaWYgKHJlcy5yYW5nZS5taW4gPT0gMSkKIAkgICAgcmVzLnJhbmdlLmxpa2VseSArPSBiYXNl ID09IDggPyAxIDogMjsKIAkgIGVsc2UgaWYgKHJlcy5yYW5nZS5taW4gPT0gMgotCQkgICAmJiBi YXNlID09IDE2CisJCSAgICYmIChiYXNlID09IDE2IHx8IGJhc2UgPT0gMikKIAkJICAgJiYgKGRp ci53aWR0aFswXSA9PSAyIHx8IGRpci5wcmVjWzBdID09IDIpKQogCSAgICArK3Jlcy5yYW5nZS5s aWtlbHk7CiAJfQogICAgIH0KIAogICByZXMucmFuZ2UudW5saWtlbHkgPSByZXMucmFuZ2UubWF4 OwotICByZXMuYWRqdXN0X2Zvcl93aWR0aF9vcl9wcmVjaXNpb24gKGRpci53aWR0aCwgZGlydHlw ZSwgYmFzZSwKLQkJCQkgICAgIChzaWduIHwgbWF5YmViYXNlKSArIChiYXNlID09IDE2KSk7Ci0g IHJlcy5hZGp1c3RfZm9yX3dpZHRoX29yX3ByZWNpc2lvbiAoZGlyLnByZWMsIGRpcnR5cGUsIGJh c2UsCi0JCQkJICAgICAoc2lnbiB8IG1heWJlYmFzZSkgKyAoYmFzZSA9PSAxNikpOworICByZXMu YWRqdXN0X2Zvcl93aWR0aF9vcl9wcmVjaXNpb24gKGRpci53aWR0aCwgZGlydHlwZSwgYmFzZSwg YWRqKTsKKyAgcmVzLmFkanVzdF9mb3Jfd2lkdGhfb3JfcHJlY2lzaW9uIChkaXIucHJlYywgZGly dHlwZSwgYmFzZSwgYWRqKTsKIAogICByZXR1cm4gcmVzOwogfQpAQCAtMzcyNSw2ICszNzI5LDEx IEBAIHBhcnNlX2RpcmVjdGl2ZSAoY2FsbF9pbmZvICZpbmZvLAogICAgICAgZGlyLmZtdGZ1bmMg PSBmb3JtYXRfaW50ZWdlcjsKICAgICAgIGJyZWFrOwogCisgICAgY2FzZSAnYic6CisgICAgY2Fz ZSAnQic6CisgICAgICBkaXIuZm10ZnVuYyA9IGZvcm1hdF9pbnRlZ2VyOworICAgICAgYnJlYWs7 CisKICAgICBjYXNlICdwJzoKICAgICAgIC8qIFRoZSAlcCBvdXRwdXQgaXMgaW1wbGVtZW50YXRp b24tZGVmaW5lZC4gIEl0J3MgcG9zc2libGUKIAkgdG8gZGV0ZXJtaW5lIHRoaXMgZm9ybWF0IGJ1 dCBkdWUgdG8gZXh0ZW5zaW9ucyAoZXNwZWNpYWxseQpkaWZmIC0tZ2l0IGEvZ2NjL3Rlc3RzdWl0 ZS9nY2MuZGcvV2Zvcm1hdC1vdmVyZmxvdzEuYyBiL2djYy90ZXN0c3VpdGUvZ2NjLmRnL1dmb3Jt YXQtb3ZlcmZsb3cxLmMKbmV3IGZpbGUgbW9kZSAxMDA2NDQKaW5kZXggMDAwMDAwMDAwMDAuLmNm OTc2NmZhZTE0Ci0tLSAvZGV2L251bGwKKysrIGIvZ2NjL3Rlc3RzdWl0ZS9nY2MuZGcvV2Zvcm1h dC1vdmVyZmxvdzEuYwpAQCAtMCwwICsxLDI4IEBACisvKgorICAgIHsgZGctZG8gY29tcGlsZSB9 CisgICAgeyBkZy1vcHRpb25zICItV2Zvcm1hdC1vdmVyZmxvdyAtc3RkPWMyeCIgfQorKi8KKwor ZXh0ZXJuIGludCBzcHJpbnRmIChjaGFyKiByZXN0cmljdCwgY29uc3QgY2hhciogcmVzdHJpY3Qs IC4uLik7CisKK3ZvaWQgdGVzdF93YXJuICgpIHsKKworICAgIGludCBuID0gX19JTlRfTUFYX187 CisgICAgY2hhciBkc3QgWzVdID0gezB9OworICAgIHNwcmludGYgKGRzdCwgIiViIiwgbik7ICAv KiB7IGRnLXdhcm5pbmcgIi1XZm9ybWF0LW92ZXJmbG93IiB9ICovCisKKyAgICBzcHJpbnRmIChk c3QsICIlI2IiLCBuKTsgLyogeyBkZy13YXJuaW5nICItV2Zvcm1hdC1vdmVyZmxvdyIgfSAqLwor Cit9CisKK3ZvaWQgdGVzdF9ub193YXJuICgpIHsKKworICAgIGNoYXIgZHN0IFs1XSA9IHswfTsK KyAgICBpbnQgbiA9IDg7CisgICAgc3ByaW50ZiAoZHN0LCAiJWIiLCBuKTsKKworICAgIGNoYXIg YW5vdGhlcl9kc3QgWzM0XSA9IHswfTsKKyAgICBuID0gX19JTlRfTUFYX187CisgICAgc3ByaW50 ZiAoYW5vdGhlcl9kc3QsICIlI2IiLCBuKTsKKworfQotLSAKMi4yNS4xCgo=