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| subject: | Re: void pointers |
-=> Herman Schonfeld wrote to All <=-
HS> list = (void *)malloc(num_entries * sizeof(void *))
^^^^^^^^ This is redundant (malloc already returns a void *)
HS> In the code I must determine these structures on the fly so as a rule
HS> of thumb each structure's first member is a char, which is supposed
HS> to determine it's type. I thought I could just do a simple cast to
HS> the structure+1 (the extra byte is where the TYPE lies) and hence
HS> determine what the structure is.
In the example code that followed, you showed the TYPE identifier as the
first character of each structure. There should be no additional offset,
then -- no "+1".
HS> sizeof(char)
sizeof(char) is always 1; sizeof() measures in terms of char.
... Computer Hacker wanted. Must have own axe.
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