[sdcc-devel] [ sdcc-Bugs-866733 ] free() cannot handle generic pointer

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Bugs item #866733, was opened at 2003-12-28 19:58
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Category: Run Time Library
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Maarten Brock (maartenbrock)
Assigned to: Nobody/Anonymous (nobody)
Summary: free() cannot handle generic pointer

Initial Comment:
The function free() is declared in malloc.h as

extern void free (void xdata *  p);

While it is no problem for malloc() to return only pointers 
to xdata, it is not so with free. If I want to create 
portable code, I don't care about losing some bytes and 
performance, but I do care about having to resort to 
non-standard coding. I think free should accept generic 
pointers and check to see if it has allocated it through 
malloc or one of it's friends and then do it's job.

Keep up the good work,
Greets,
Maarten

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