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Don't needlessly clear xmemdup allocated memory.

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* xmemdup.c (xmemdup): Use xmalloc rather than xcalloc.

From-SVN: r236917
This commit is contained in:
Alan Modra 2016-05-31 20:38:54 +09:30 committed by Alan Modra
parent cd78b3dd18
commit 051154a1f6
2 changed files with 8 additions and 2 deletions
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4
libiberty/ChangeLog
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@ -1,3 +1,7 @@
2016-05-31 Alan Modra <amodra@gmail.com>
* xmemdup.c (xmemdup): Use xmalloc rather than xcalloc.
2016-05-19 Jakub Jelinek <jakub@redhat.com> 2016-05-19 Jakub Jelinek <jakub@redhat.com>
PR c++/70498 PR c++/70498

6
libiberty/xmemdup.c
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@ -1,4 +1,4 @@
/* xmemdup.c -- Duplicate a memory buffer, using xcalloc. /* xmemdup.c -- Duplicate a memory buffer, using xmalloc.
This trivial function is in the public domain. This trivial function is in the public domain.
Jeff Garzik, September 1999. */ Jeff Garzik, September 1999. */
@ -34,6 +34,8 @@ allocated, the remaining memory is zeroed.
PTR PTR
xmemdup (const PTR input, size_t copy_size, size_t alloc_size) xmemdup (const PTR input, size_t copy_size, size_t alloc_size)
{ {
PTR output = xcalloc (1, alloc_size); PTR output = xmalloc (alloc_size);
if (alloc_size > copy_size)
memset ((char *) output + copy_size, 0, alloc_size - copy_size);
return (PTR) memcpy (output, input, copy_size); return (PTR) memcpy (output, input, copy_size);
} }