21 May 2003 error27   » (Journeyer)

I have been lurking here since here since CodeCon. Funny how a person can lose track of time...

Smatch development is progressing slowly but surely. I have been playing with Apache source as part of a larger project. Here is a break down of some of the pointer uses in Apache.

There are 43108 pointer dereferences in the Apache source code. That is counting dereferences in macros once for each time the macro is used. It only counts code used in my compile, not all Apache source.

  Count Type of pointer     Explanation
  15225 parm_decl           *parameter (arrays are passed as pointers)
  12020 var_decl            *foo
  10466 plus_expr           *foo = bar; foo[2];
   1923 postincrement_expr  *foo++
   1604 component_ref       *foo.bar
    692 call_expr           get_foo()->bar
    461 addr_expr           pointers to a string constant mostly.
    398 indirect_ref        **foo
    120 cond_expr           *(foo?foo:bar)
     80 minus_expr          foo[a - b - c]
     71 preincrement_expr   *++foo
     25 predecrement_expr   *--foo
      9 array_ref           *foo[a]
      6 postdecrement_expr  *foo--
      4 va_arg_expr         *(va_arg(foo, int *))
      4 modify_expr         *(foo = get_bar())

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