Author: James Robertson
Date: 16:27:33 06/09/00
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On June 09, 2000 at 19:10:00, Bruce Moreland wrote: >On June 09, 2000 at 16:33:25, James Robertson wrote: > >>Will my program get sick if I write: >> >>int *a = new int[64]; >>int *b = a; >>.... >>delete [] b; >> >>? >> >>This question stems from my lack of knowledge about how a program knows how much >>memory it has allocated at runtime. That is to say, where does the program store >>the size of a so the memory will be freed if you call delete []? If you try to >>free this memory from another pointer (b) will it still know that 64 ints need >>to be deleted? >> >>James > >Your question has already been answered, but I'd like to suggest that you >consider whether you need to use "new" at all. No; putting new in the middle of your Search() function is not a good idea, I agree. ;) I intend to use it for something where speed is not crucial and memory can easily be munched down if I'm not careful. James > >A lot of people think that heap allocation is a cost-free operation, and it >isn't. > >It's quite often something you have to do, but if you can get away with putting >the thing on the stack, it's better to do that. > >bruce
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