shdown

size_t l = 0, r = 0;
for (size_t i = 1; i < n; ++i) {
	size_t val = 0;
	if (i < r)
		val = min(r - i, z[i - l]);
	while (i + val < n && s[val] == s[i + val])
		++val;
	z[i] = val;
	if (r < i + val) {
		r = i + val;

shdown

GSoC 2017 Work Product Submission

What is done

• Modified strace to be able to implement a pull-style syscall tracing API for Lua scripting.
• Added support for Lua scripting, implemented a pull-style C API. Lua scripts can select syscalls they want to be notified about; inspect PID of the traced process, syscall arguments, and return value (on syscall

shdown

# limitation: names of variables to return result to can not start with an underscore.
«() {
    local -i _i=1
    while [[ ${!_i} != » ]]; do
        declare -n _${_i}=${!_i}
        (( ++_i ))
    done
    "${@:$[_i+1]}"
}