New patch for qt-copy: fix QSslSocket::waitForBytesWritten(-1)

Thiago Macieira thiago at
Mon Nov 19 21:31:17 GMT 2007

Andreas Hartmetz wrote:
>Am Sonntag 18 November 2007 05:27:12 schrieb Andreas Hartmetz:
>> Hi,
>> During my work on a replacement for KSSL I discovered a bug in
>> QSslSocket. After much trial and error I realized that while
>> QSslSocket::bytesToWrite() may not be perfectly reliable, it is also
>> unnecessary if
>> waitForBytesWritten(-1) works right.
>> The patch fixes the bug that QSslSocket::waitForBytesWritten(-1) does
>> the same thing as waitForBytesWritten(0). What should happen for -1 is
>> that it waits until some data (in the actual implementation, all data)
>> has been transferred to the OS socket. For 0, it just waits for zero
>> milliseconds. The bug only triggers when using an encrypted
>> connection.
>> The fix is to make the timeout behavior of QSslSocket imitate that of
>> QAbstractSocket, and by imitate I mean use the same code.
>> It's a small change that /looks/ harmless.
>> Thiago had a quick look and approved of the fix, although he (just
>> like me) probably didn't do a full investigation; the socket code
>> consists of many interacting classes...
>patch committed to qt-copy.

And committed to Qt 4.4.0.

  Thiago Macieira  -  thiago (AT) - thiago (AT)
    PGP/GPG: 0x6EF45358; fingerprint:
    E067 918B B660 DBD1 105C  966C 33F5 F005 6EF4 5358
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