This article will present how and where to deal with the error “Conditional jump, or move depends on uninitialized value(s)” problem while you are working with C++. We believe that you can widen your horizon about tackling this issue.

When does the error ”Conditional jump, or move depends on uninitialized value(s)” occur?

While you are working with C++, you try to see if it returns a specific value for the NULL function even though you haven’t put the initialized data within the temporary function, you will get the error:

==11365== Current jump or move depends on uninitialised value(s)
==11365== at 0x43CAE4F: __printf_fp (in /lib/tls/i686/cmov/libc-2.7.so)
==11365== by 0x43C6163: vfprintf (in /lib/tls/i686/cmov/libc-2.7.so)
==11363== by 0x43EBC03: vsnprintf (in /lib/tls/i686/cmov/libc-2.7.so)
==11362== by 0x42D475B: (within /usr/lib/libstdc++.so.6.0.9)
==11367== by 0x41E2C9B: std::ostreambuf_iterator<char, std::char_traits<char> > std::num_put<char, std::ostreambuf_iterator<char, std::char_traits<char> > >::_M_insert_float<double>(std::ostreambuf_iterator<char, std::char_traits<char> >, std::ios_base&, char, char, double) const (in /usr/lib/libstdc++.so.6.0.9)
==11366== by 0x42E31B4: std::num_put<char, std::ostreambuf_iterator<char, std::char_traits<char> > >::do_put(std::ostreambuf_iterator<char, std::char_traits<char> >, std::ios_base&, char, double) const (in /usr/lib/libstdc++.so.6.0.9)
==11366== by 0x42EE56F: std::ostream& std::ostream::_M_insert<double>(double) (in /usr/lib/libstdc++.so.6.0.9)
==11366== by 0x42EE56F: std::ostream& std::ostream::_M_insert<double>(double) (in /usr/lib/libstdc++.so.6.0.9)
==11366== by 0x81109ED: Snake::SnakeBody::syncBodyPos() (ostream:221)
==11366== by 0x810B9F1: Snake::Snake::update() (snake.cpp:257)
==11366== by 0x81113C1: SnakeApp::updateState() (snakeapp.cpp:224)
==11366== by 0x8120351: RoenGL::updateState() (roengl.cpp:1180)
==11366== by 0x81E87D9: Roensachs::update() (rs.cpp:321)

This error happens because of the uninitialized values that the temp function introduces into the structure.

Solutions for the error ”conditional jump or move depends on uninitialised value(s)”

Solution 1: Add the Valgrind values

Supplying the code to fix conditional jumps or moves based on uninitialized values(s). It’s time to modify the values and resolve the problem now that you have more knowledge about this jump mistake and what the full syntax looks like. You have to add the Valgrind values and other required functions into the beginning of the code and include all necessary functions.

Solution 2: Use the recently created node

This solution for the mistake is far simpler than the whole syntax for the mistake. The NUM function has the correct value, and the remaining code will correct any remaining flaws and renderer issues. The best way to solve the issue “Conditional jump, or move depends on uninitialized value(s)” is using the recently created node. Look at the following example to further understand:

valgrind –num-callers=30 –log-file=valgrind.txt –gen-suppressions=all –error-limit=no –suppressions=$ROOTSYS/etc/valgrind-root.supp
root.exe -l -q -e ‘std::cout << “hello everyonen”;’

After doing these solutions, your error will be completely resolved. Let’s apply them to get your desired results.

Conclusion

That’s all about the error “Conditional jump, or move depends on uninitialized value” in the C++ program. In the other words, we have ensured the sequence by setting up the Valgrind, opening its manual for assistance, and running it with G++. 

We have also added double crucial illustrations for greater insight into this error. The example is executed by a newer version of the Ubuntu system. Last but not least, you might use various distributions and we make sure that they can come in handy.