¡@
c++ Programming Glossary: behaviorWhat are the rules about using an underscore in a C++ identifier? http://stackoverflow.com/questions/228783/what-are-the-rules-about-using-an-underscore-in-a-c-identifier 7.1.4 or defines a reserved identifier as a macro name the behavior is undefined. If the program removes with #undef any macro definition.. of an identifier in the first group listed above the behavior is undefined. 154 The list of reserved identifiers with external..
Undefined, unspecified and implementation-defined behavior http://stackoverflow.com/questions/2397984/undefined-unspecified-and-implementation-defined-behavior unspecified and implementation defined behavior What is the difference between undefined unspecified and implementation.. between undefined unspecified and implementation defined behavior in C and C c c behavior c faq share improve this question.. and implementation defined behavior in C and C c c behavior c faq share improve this question Undefined behavior is..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three destroyed deleting the dangling pointer yields undefined behavior . Since the assignment does not take into account what name..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points read by those who came up with the idea. c c undefined behavior c faq sequence points share improve this question Disclaimer.. omits the description of any explicit definition of behavior. 3 permissible undefined behavior ranges from ignoring the situation.. explicit definition of behavior. 3 permissible undefined behavior ranges from ignoring the situation completely with unpredictable..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c n and the sub expression x n technically invokes undefined behavior in C but not in C99 . Also note that you could simply provide..
Do the parentheses after the type name make a difference with new? http://stackoverflow.com/questions/620137/do-the-parentheses-after-the-type-name-make-a-difference-with-new there are differences that can actually affect your code's behavior. Much of the following is taken from comments made to an Old.. and new A because A is a POD. And there's a difference in behavior between C 98 and C 03 for the case new B . This is one of the..
C++ Accesses an Array out of bounds gives no error, why? http://stackoverflow.com/questions/1239938/c-accesses-an-array-out-of-bounds-gives-no-error-why Welcome to every C C programmers bestest friend Undefined Behavior. There is a lot that is not specified by the language standard..
C++ delete - It deletes my objects but I can still access the data? http://stackoverflow.com/questions/1930459/c-delete-it-deletes-my-objects-but-i-can-still-access-the-data the grave expected This is technically known as Undefined Behavior. Don't be surprised if it offers you a can of beer either. ..
Is it okay to inherit implementation from STL containers, rather than delegate? http://stackoverflow.com/questions/2034916/is-it-okay-to-inherit-implementation-from-stl-containers-rather-than-delegate vector int p new BadExample delete p this is Undefined Behavior return 0 That said if you're willing to make sure you never..
Unsequenced value computations (a.k.a sequence points) http://stackoverflow.com/questions/3852768/unsequenced-value-computations-a-k-a-sequence-points about this topic itself has started giving me an Undefined Behavior. Want to move into the zone of well defined behavior. Given..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points Behavior and Sequence Points What are Sequence Points What is the relation.. this be sure to visit the follow up question Undefined Behavior and Sequence Points Reloaded . Note This is meant to be an entry..
FAQ: Why does dynamic_cast only work if a class has at least 1 virtual method? http://stackoverflow.com/questions/4227328/faq-why-does-dynamic-cast-only-work-if-a-class-has-at-least-1-virtual-method a B object through an A pointer you'll evoke Undefined Behavior . class A public virtual ~A et voila Footnote There are exceptions..
Post Increment and Pre Increment concept? http://stackoverflow.com/questions/4445706/post-increment-and-pre-increment-concept to wit the endless stream of questions about Undefined Behavior in expressions. So. For the built in C prefix operator x increments..
When to use volatile with multi threading? http://stackoverflow.com/questions/4557979/when-to-use-volatile-with-multi-threading is often viewed as a contrivance and can evoke Undefined Behavior. volatile was specifically intended to be used when interfacing..
Undefined Behavior and Sequence Points Reloaded http://stackoverflow.com/questions/4638364/undefined-behavior-and-sequence-points-reloaded Behavior and Sequence Points Reloaded Consider this topic a sequel of.. of the following topic Previous Installment Undefined Behavior and Sequence Points Let's revisit this funny and convoluted..
Operator Precedence vs Order of Evaluation http://stackoverflow.com/questions/5473107/operator-precedence-vs-order-of-evaluation a Line 3 Now it is evident that Line 2 leads to Undefined Behavior since Sequence points in C and C include Between evaluation.. in a for statement. Line 2 clearly leads to Undefined Behavior. This shows how Undefined Behaviour is tightly coupled with.. the precedence of operators leaving cases of Unspecified Behavior. I would like to be corrected if any mistakes were made in something..
Does const-correctness give the compiler more room for optimization? http://stackoverflow.com/questions/6313730/does-const-correctness-give-the-compiler-more-room-for-optimization to it and casting away the const is to invoke Undefined Behavior. So the compiler is free to assume you do not do that and it.. p i.e. during the execution of foo because otherwise the Behavior would be Undefined. So in principle combining restrict with..
http://stackoverflow.com/questions/6319146/c11-introduced-a-standardized-memory-model-what-does-it-mean-and-how-is-it-g Thread 2 output Under C 98 C 03 this is not even Undefined Behavior the question itself is meaningless because the standard does.. called a thread . Under C 11 the result is Undefined Behavior because loads and stores need not be atomic in general. Which..
Why would one replace default new and delete operators? http://stackoverflow.com/questions/7149461/why-would-one-replace-default-new-and-delete-operators new and delete may lead to the dreaded beasts of Undefined Behavior Memory leaks . Respective examples of each are Using more than..
|