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Re: [Qemu-devel] [PATCH] Permit zero-sized qemu_malloc() & friends


From: Gerd Hoffmann
Subject: Re: [Qemu-devel] [PATCH] Permit zero-sized qemu_malloc() & friends
Date: Tue, 01 Dec 2009 13:57:28 +0100
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.4pre) Gecko/20090922 Fedora/3.0-3.9.b4.fc12 Lightning/1.0pre Thunderbird/3.0b4

On 12/01/09 13:40, Gerd Hoffmann wrote:

+ return oom_check(malloc(size ? size : 1));

void *qemu_realloc(void *ptr, size_t size)
{
+ return oom_check(realloc(ptr, size ? size : 1));

qemu_realloc(qemu_malloc(0), 42);

should better work correctly ...

Oops, scratch that.

"return malloc(size ? size : 1)" is very different from "return size ? malloc(size) : 1" which my mind somehow made out of the code line above ...

sorry,
  Gerd





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