(Click here for a personal note from Marshall Cline.)
C++ FAQ
/
Section 16
/ FAQ 16.28
Section 16:
16.1
Does
delete p
delete the pointer
p
, or the pointed-to-data
*p
?
16.2
Is it safe to
delete
the same pointer twice?
16.3
Can I
free()
pointers allocated with
new
? Can I
delete
pointers allocated with
malloc()
?
16.4
Benefits of
new
over
malloc()
?
16.5
Can I use
realloc()
on pointers allocated via
new
?
16.6
Checking for
NULL
after
p = new Fred()
?
16.7
How can I convince my (older) compiler to automatically check
new
to see if it returns
NULL
?
16.8
Checking for
NULL
before
delete p
?
16.9
What are the two steps that happen when I say
delete p
?
16.10
Does
p = new Fred()
leak memory if the ctor throws an exception?
16.11
How do I allocate / unallocate an array of things?
16.12
What if I forget the
[]
when
delete
ing an array allocated via
new T[n]
?
16.13
Can I drop the
[]
when
delete
ing an array of some built-in type (
char
,
int
, etc)?
16.14
After
p = new Fred[n]
, how does the compiler know there are
n
objects to be destructed during
delete[] p
?
16.15
Is it legal (and moral) for a member function to say
delete this
?
16.16
How do I allocate multidimensional arrays using
new
?
16.17
How to simplify the
Matrix
code from the previous FAQ?
16.18
How to make the
Matrix
class generic?
16.19
What's another way to build a
Matrix
template?
16.20
Does C++ have arrays whose length can be specified at run-time?
16.21
Allocating all objects via
new
, not local/global/
static
?
16.22
How do I do simple reference counting?
16.23
How do I provide reference counting with copy-on-write semantics?
16.24
How do I provide reference counting with copy-on-write semantics for a hierarchy of classes?
16.25
Preventing people from subverting the reference counting mechanism?
16.26
Can I use a garbage collector in C++?
16.27
What are the two kinds of garbage collectors for C++?
16.28
Where can I get more info on garbage collectors for C++?
[16.28] Where can I get more info on garbage collectors for C++?
For more information, see
the Garbage Collector FAQ
.