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charset="gb18030" Content-Transfer-Encoding: base64 Date: Mon, 15 May 2023 18:04:48 +0800 X-Priority: 3 Message-ID: X-QQ-MIME: TCMime 1.0 by Tencent X-Mailer: QQMail 2.x X-QQ-Mailer: QQMail 2.x Subject: [musl] Re: Re: Re: [Patch 1/1] vfprintf: optimize vfprintf performance SGmjrAoKICBJJ20gc29ycnkgZm9yIHRoZSBpbmNvcnJlY3QgZm9ybWF0IGRpZmYuIEkgdXBk YXRlZCBpdC4KICBBcyB3ZSBkaXNjdXNzZWQgZWFybGllciwgSSBtYWRlIGEgcGF0Y2ggdG8g Z2V0IG5sX2FyZyB3aGVuIHdlIHNlZSAnJCcgcmFudGhlciB0aGFuIHZpc2l0IHRoZSBmb3Jt YXQgYW55d2F5LgpDb3VsZCB5b3UgcGxlYXNlIGhlbHAgbWUgcmV2aWV3IGl0o78KCmh0dHBz Oi8vd3d3Lm9wZW53YWxsLmNvbS9saXN0cy9tdXNsLzIwMjMvMDUvMDYvMQpodHRwczovL3d3 dy5vcGVud2FsbC5jb20vbGlzdHMvbXVzbC8yMDIzLzA1LzA2LzIKaHR0cHM6Ly93d3cub3Bl bndhbGwuY29tL2xpc3RzL211c2wvMjAyMy8wNS8wNi8zCmh0dHBzOi8vd3d3Lm9wZW53YWxs LmNvbS9saXN0cy9tdXNsLzIwMjMvMDUvMDYvNApodHRwczovL3d3dy5vcGVud2FsbC5jb20v bGlzdHMvbXVzbC8yMDIzLzA1LzA2LzUKaHR0cHM6Ly93d3cub3BlbndhbGwuY29tL2xpc3Rz L211c2wvMjAyMy8wNS8wNy8xCmh0dHBzOi8vd3d3Lm9wZW53YWxsLmNvbS9saXN0cy9tdXNs LzIwMjMvMDUvMDcvMgoKCi0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQpkaWZm IC0tZ2l0IGEvc3JjL3N0ZGlvL3ZmcHJpbnRmLmMgYi9zcmMvc3RkaW8vdmZwcmludGYuYwpv bGQgbW9kZSAxMDA2NDQKbmV3IG1vZGUgMTAwNzU1CmluZGV4IDliOTYxZTdmLi4zMjk0ZTIz YgotLS0gYS9zcmMvc3RkaW8vdmZwcmludGYuYworKysgYi9zcmMvc3RkaW8vdmZwcmludGYu YwpAQCAtNDI3LDcgKzQyNyw3IEBAIHN0YXRpYyBpbnQgZ2V0aW50KGNoYXIgKipzKSB7CiAJ cmV0dXJuIGk7CiB9CiAKLXN0YXRpYyBpbnQgcHJpbnRmX2NvcmUoRklMRSAqZiwgY29uc3Qg Y2hhciAqZm10LCB2YV9saXN0ICphcCwgdW5pb24gYXJnICpubF9hcmcsIGludCAqbmxfdHlw ZSkKK3N0YXRpYyBpbnQgcHJpbnRmX2NvcmUoRklMRSAqZiwgY29uc3QgY2hhciAqZm10LCB2 YV9saXN0ICphcCwgdW5pb24gYXJnICpubF9hcmcsIGludCAqbmxfdHlwZSwgdW5pb24gYXJn KiBubF9hcmdfcHRyKQogewogCWNoYXIgKmEsICp6LCAqcz0oY2hhciAqKWZtdDsKIAl1bnNp Z25lZCBsMTBuPTAsIGZsOwpAQCAtNDYyLDYgKzQ2MiwxMiBAQCBzdGF0aWMgaW50IHByaW50 Zl9jb3JlKEZJTEUgKmYsIGNvbnN0IGNoYXIgKmZtdCwgdmFfbGlzdCAqYXAsIHVuaW9uIGFy ZyAqbmxfYXJnLAogCQlpZiAobCkgY29udGludWU7CiAKIAkJaWYgKGlzZGlnaXQoc1sxXSkg JmFtcDsmYW1wOyBzWzJdPT0nJCcpIHsKKwkJCWlmIChubF9hcmdfcHRyID09IE5VTEwpIHsK KwkJCQlubF9hcmdfcHRyID0gbmxfYXJnOworCQkJCWlmIChwcmludGZfY29yZSgwLCBmbXQs IGFwLCBubF9hcmcsIG5sX3R5cGUsIG5sX2FyZ19wdHIpICZsdDsgMCkgeworCQkJCQlyZXR1 cm4gLTE7CisJCQkJfQorCQkJfQogCQkJbDEwbj0xOwogCQkJYXJncG9zID0gc1sxXS0nMCc7 CiAJCQlzKz0zOwpAQCAtNDc3LDYgKzQ4MywxMiBAQCBzdGF0aWMgaW50IHByaW50Zl9jb3Jl KEZJTEUgKmYsIGNvbnN0IGNoYXIgKmZtdCwgdmFfbGlzdCAqYXAsIHVuaW9uIGFyZyAqbmxf YXJnLAogCQkvKiBSZWFkIGZpZWxkIHdpZHRoICovCiAJCWlmICgqcz09JyonKSB7CiAJCQlp ZiAoaXNkaWdpdChzWzFdKSAmYW1wOyZhbXA7IHNbMl09PSckJykgeworCQkJCWlmIChubF9h cmdfcHRyID09IE5VTEwpIHsKKwkJCQkJbmxfYXJnX3B0ciA9IG5sX2FyZzsKKwkJCQkJaWYg KHByaW50Zl9jb3JlKDAsIGZtdCwgYXAsIG5sX2FyZywgbmxfdHlwZSwgbmxfYXJnX3B0cikg Jmx0OyAwKSB7CisJCQkJCQlyZXR1cm4gLTE7CisJCQkJCX0KKwkJCQl9CiAJCQkJbDEwbj0x OwogCQkJCW5sX3R5cGVbc1sxXS0nMCddID0gSU5UOwogCQkJCXcgPSBubF9hcmdbc1sxXS0n MCddLmk7CkBAIC00OTEsNiArNTAzLDEyIEBAIHN0YXRpYyBpbnQgcHJpbnRmX2NvcmUoRklM RSAqZiwgY29uc3QgY2hhciAqZm10LCB2YV9saXN0ICphcCwgdW5pb24gYXJnICpubF9hcmcs CiAJCS8qIFJlYWQgcHJlY2lzaW9uICovCiAJCWlmICgqcz09Jy4nICZhbXA7JmFtcDsgc1sx XT09JyonKSB7CiAJCQlpZiAoaXNkaWdpdChzWzJdKSAmYW1wOyZhbXA7IHNbM109PSckJykg eworCQkJCWlmIChubF9hcmdfcHRyID09IE5VTEwpIHsKKwkJCQkJbmxfYXJnX3B0ciA9IG5s X2FyZzsKKwkJCQkJaWYgKHByaW50Zl9jb3JlKDAsIGZtdCwgYXAsIG5sX2FyZywgbmxfdHlw ZSwgbmxfYXJnX3B0cikgJmx0OyAwKSB7CisJCQkJCQlyZXR1cm4gLTE7CisJCQkJCX0KKwkJ CQl9CiAJCQkJbmxfdHlwZVtzWzJdLScwJ10gPSBJTlQ7CiAJCQkJcCA9IG5sX2FyZ1tzWzJd LScwJ10uaTsKIAkJCQlzKz00OwpAQCAtNjU5LDE2ICs2NzcsMTMgQEAgaW50IHZmcHJpbnRm KEZJTEUgKnJlc3RyaWN0IGYsIGNvbnN0IGNoYXIgKnJlc3RyaWN0IGZtdCwgdmFfbGlzdCBh cCkKIAl2YV9saXN0IGFwMjsKIAlpbnQgbmxfdHlwZVtOTF9BUkdNQVgrMV0gPSB7MH07CiAJ dW5pb24gYXJnIG5sX2FyZ1tOTF9BUkdNQVgrMV07CisJdW5pb24gYXJnKiBubF9hcmdfcHRy ID0gTlVMTDsKIAl1bnNpZ25lZCBjaGFyIGludGVybmFsX2J1Zls4MF0sICpzYXZlZF9idWYg PSAwOwogCWludCBvbGRlcnI7CiAJaW50IHJldDsKIAogCS8qIHRoZSBjb3B5IGFsbG93cyBw YXNzaW5nIHZhX2xpc3QqIGV2ZW4gaWYgdmFfbGlzdCBpcyBhbiBhcnJheSAqLwogCXZhX2Nv cHkoYXAyLCBhcCk7Ci0JaWYgKHByaW50Zl9jb3JlKDAsIGZtdCwgJmFtcDthcDIsIG5sX2Fy ZywgbmxfdHlwZSkgJmx0OyAwKSB7Ci0JCXZhX2VuZChhcDIpOwotCQlyZXR1cm4gLTE7Ci0J fQogCiAJRkxPQ0soZik7CiAJb2xkZXJyID0gZi0mZ3Q7ZmxhZ3MgJmFtcDsgRl9FUlI7CkBA IC02ODAsNyArNjk1LDcgQEAgaW50IHZmcHJpbnRmKEZJTEUgKnJlc3RyaWN0IGYsIGNvbnN0 IGNoYXIgKnJlc3RyaWN0IGZtdCwgdmFfbGlzdCBhcCkKIAkJZi0mZ3Q7d3BvcyA9IGYtJmd0 O3diYXNlID0gZi0mZ3Q7d2VuZCA9IDA7CiAJfQogCWlmICghZi0mZ3Q7d2VuZCAmYW1wOyZh bXA7IF9fdG93cml0ZShmKSkgcmV0ID0gLTE7Ci0JZWxzZSByZXQgPSBwcmludGZfY29yZShm LCBmbXQsICZhbXA7YXAyLCBubF9hcmcsIG5sX3R5cGUpOworCWVsc2UgcmV0ID0gcHJpbnRm X2NvcmUoZiwgZm10LCAmYW1wO2FwMiwgbmxfYXJnLCBubF90eXBlLCBubF9hcmdfcHRyKTsK IAlpZiAoc2F2ZWRfYnVmKSB7CiAJCWYtJmd0O3dyaXRlKGYsIDAsIDApOwogCQlpZiAoIWYt Jmd0O3dwb3MpIHJldCA9IC0xOw==