Is there any tools for code analysis (style checking, potential memory
leaks ..) of C++, like Lint(which is for C only), which is free, or
cheap enough for educational use?

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Clarification of Question by alanbhk-ga on 13 Oct 2004 12:28 PDT

It's for Visual C++ 6.0 development

It is sometimes argued that the built-in warnings (many of which must
be enabled by command options) of gcc perform a substantial part of
this analysis:

[Eljay Love-Jensen - Crafting Better Source Code in C++]
http://gcc.gnu.org/ml/gcc-help/2004-03/msg00185.html

If you are not using the GNU compiler as your development environment,
it would be helpful to clarify which compiler/development environment
is germane.

regards, mathtalk-ga

Thanks very much for your advice! :D

Software packages which perform a substantive lint-like analysis of
C++ code tend to be expensive.  An extensive description of their
prices and features requires more effort than the list price you've
offered would permit.

One narrow aspect of your Question (style checking) might be addressed
by a code beautifier.  Tools of this kind are certainly much less
expensive and might be within your budget.  See for example:

[SQCBW Source Code Beautifier]
http://www.sqcbw.com/

Memory leaks are another specific issue that may be addressed by ad
hoc or inexpensive packages.  Here's an essay/tutorial on a C++
approach through overriding the global new and delete operators:

[How to find memory leaks]
http://www.flipcode.com/tutorials/tut_memleak.shtml

regards, mathtalk-ga