Function counting script

Joris Huizer jorishuizer at
Sat Mar 18 15:40:24 CST 2006

Segin wrote:
> As my small contribution, attached is a small shell script that, 
> unmodified, finds out how many times certain functions are called in a 
> given sample of files. The default functions are 'malloc', 'realloc', 
> and 'free', and the sample files are all files ending in .c in the 
> current directory. It even prints out the result in a neat manner on 
> ANSI colourized terminals.
> The script is very flexible, and easy to modify.
> Current version is 256bytes long.
> ------------------------------------------------------------------------

Hmmm, I'm affraid this isn't telling much, consider:

int main()
   int i;
   char *ptr;
   for (i = 0; i < 10; i++)
     ptr = malloc(20);
   return 0;

you're script will report one 'malloc' and one 'free', but ten times a 
'malloc' is executed and only one 'free' ... :-/

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