fix return value in util_exec_command on windows

disable posix code on windows in util_exec_command

use sys_* io functions in dav put

fix crash in davql exec, if the server response can't be parsed

use tcsetattr only if stdin is a tty

fix dav-sync push creating finfo elements without using the mempool, which could lead to crashes

reactivate error in case of unknown config elements

(0) -300 -100 -30 -10 -7 +7 +10 +30 tip

mercurial