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Clarify the bit about realloc() and its `ptr' argument a bit.

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Hopefully, now it is more clear that the memory referenced by the
ptr argument of realloc(ptr,size) is freed and only the return value
of realloc() points to a valid memory area upon successful completion.

Submitted by:	Martin Faxer <gmh003532@brfmasthugget.se>
This commit is contained in:
keramida 2002-06-06 22:11:19 +00:00
parent 88314a4e95
commit d7a938ebc8
1 changed files with 3 additions and 2 deletions
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5
lib/libc/stdlib/malloc.3
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@ -117,8 +117,9 @@ is returned and
the memory referenced by
.Fa ptr
is valid and unchanged.
If memory can be allocated, a pointer to the newly allocated portion of
the memory is returned.
If memory can be allocated, the memory referenced by
.Fa ptr
is freed and a pointer to the newly allocated memory is returned.
Note that this may be different from the value
passed as
.Fa ptr .