RELEASE-NOTES for Qore 0.7.4

release summary: qore 0.7.4 contains minor feature improvements over 0.7.3 and twenty-two bug fixes

• BUG FIX: fixed localtime() when called with no argument to return the current date and time as per documentation
• BUG FIX: fixed a race condition that could cause a deadlock when calling pthread_join() when Qore code calls exit() when multiple threads are running
• BUG FIX: fixed the Dir::listFiles() method; the mask used would not filter out directories
• BUG FIX: fixed crashes in the File class due to unsigned data type being used and the comparison (< 0) that signaled an error always failed; the crash would happen when a non-file object was read (such as a directory, for example)
• BUG FIX: fixed outputting recursive data structures with the %n and %N printf format specifiers (would otherwise result in a crash - for example, when an object contains a list that also contains the object, etc)
• BUG FIX: fixed object access deadlock scenarios
• BUG FIX: fixed the "-" operator with: hash-string and hash-list (also hash-=string and hash-=list) to remove the value(s) from the hash, not call the delete operator
• BUG FIX: SQL NULL values should be serialized as "null" JSON values
• BUG FIX: fixed parsing of a corner case of marginally valid XML-RPC
• BUG FIX: fixed XML-RPC serialization to handle NOTHING (no value) and NULL identically
• BUG FIX: fixed XML-RPC serialization to never output an empty <param/> element, as it could potentially break some implementations (the XML-RPC spec is not very clear on this).  Note: we send empty value elements: <value/> when serializing NOTHING or NULL, which may not be correct either
• BUG FIX: do not assume that a trailing null should terminate the string when reading string data from files; include the trailing null in the string
• BUG FIX: fixed a bug parsing base64 strings when newlines and/or linefeeds trailed the base64-encoded data
• BUG FIX: fixed outputting '%%' as '%' in *printf*() functions
• BUG FIX: fixed a bug parsing hashes where the hash key was given as a constant
• BUG FIX: fixed a bug in the delete operator where shared data was being updated in place instead of copied and then updated
• BUG FIX: fixed some race conditions that could cause deadlocks with the getAllThreadCallStacks() function (not normally enabled by default)
• BUG FIX: ignore '\n' and '\r' when parsing base64-encoded strings
• BUG FIX: fixed a crashing bug when trying to copy member elements of a deleted object
• BUG FIX: fixed the foreach statement when used with a reference and the break statement is used
• BUG FIX: fixed a rare reference dependency bug where system classes were being destroyed while still referenced in user code
• BUG FIX: fixed %= with a modula operand of 0 to set the lvalue to 0 (previously the expression was ignored if the modula operand was 0)
• added the abilty for a Condition variable to wait on RWLock objects as well as Mutex objects
• dereferencing a hash or object with a list will return a slice of the hash or object as a hash: ex: $hash.("key1", "key2")
• allow %include parse directives to quote the file names (ignore leading and trailing quotes around the file name)
• new Socket class methods:
  • Socket::isWriteFinished(<timeout_ms>): for future support for non-blocking writes
  • Socket::setNoDelay(<boolean>): to set the TCP_NODELAY option
  • Socket::getNoDelay(): returns value of the TCP_NODELAY option
• new functions to allow for explicitly specifying the encoding when serializing XML-RPC strings:
  • makeXMLRPCCallStringWithEncoding()
  • makeXMLRPCCallStringArgsWithEncoding()
  • makeXMLRPCResponseStringWithEncoding()
  • makeXMLRPCFaultResponseStringWithEncoding()
  • makeFormattedXMLRPCCallStringWithEncoding()
  • makeFormattedXMLRPCCallStringArgsWithEncoding()
  • makeFormattedXMLRPCResponseStringWithEncoding()
  • makeFormattedXMLRPCFaultResponseStringWithEncoding()
• added new HTTPClient methods for manipulating the TCP_NODELAY setting:
  • HTTPClient::setNoDelay()
  • HTTPClient::getNoDelay()
• now the XmlRpcClient and JsonRpcClient constructors accept an optional second argument that, when True, will inhibit the immediate connection attempt on the socket and instead allow the socket connections to be either manually established or established on demand with the first request

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