arunkumarraju

 Profile Answers by arunkumarraju 

• Jan 13th, 2011

 

1.) If sufficient memory is not available during runtime for the storage of pointers, the program may crash (least possible)
 2.) If the programmer is not careful and consistent with the use of pointers, the program may crash (very possible) Read more:

jbode

 Profile Answers by jbode Questions by jbode

• Feb 2nd, 2011

 

In general, there's no good way to know if a non-NULL pointer value is valid and refers to an area of memory that's safe to access and/or modify.

There's no way to determine from the pointer value itself how large a region of memory that pointer refers to (i.e., whether it's pointing to a single instance of type T or to the first element of an array of T). 

In general, there's no good way to know if a pointer value points to something with static, auto, or dynamic extent.  If you know exactly how your memory model works you can make an educated guess, but that requires some intimate knowledge of the execution environment. 

Satarupa Panda

• Nov 17th, 2011

 

If sufficient memory is not available during runtime for the storage of pointers, the program may crash.