scm_must_free

[Han-Wen Nienhuys]

Why does scm_must_free barf on freeing the null pointer?

       free()  frees  the  memory  space pointed to by ptr, which
       must have been returned by a previous  call  to  malloc(),
       calloc()  or  realloc().   Otherwise,  or if free(ptr) has
       already been called before,  undefined  behaviour  occurs.
       If ptr is NULL, no operation is performed.





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Han-Wen Nienhuys   |   address@hidden   |   http://www.cs.uu.nl/~hanwen