757
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Ran 16 Apr 2015 07:14PM UTC

Jobs 3

Files 23

Run time 866011min

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Build # 757

Build Type

Pull #305

travis-ci

Committed by

pah

Commit Message

Avoid calling memcpy with NULL pointers

According to the C/C++ standards, calling `memcpy(NULL, NULL, 0)` is
undefined behaviour. Recent GCC versions may rely on this by optimizing
NULL pointer checks more aggressively, see [1].

This patch tries to avoid calling std::memcpy with zero elements.
As a side effect, explicitly return NULL when requesting an empty block
from MemoryPoolAllocator::Malloc.

This may be related to #301.

[1] https://gcc.gnu.org/gcc-4.9/porting_to.html

Pull Request Pull Request #305: Avoid calling memcpy with NULL pointers

Run Details

2065 of 2066 relevant lines covered (99.95%)

2458889.45 hits per line

Uncovered Existing Lines

Lines	Coverage	∆	File
1	100.0		include/rapidjson/allocators.h

Jobs

ID	Job ID	Ran	Coverage
3	757.3 (CONF=debug ARCH=x86)	07 Dec 2016 10:35PM UTC	42.65	Travis Job 757.3
5	757.5 (CONF=debug ARCH=x86_64)	16 Apr 2015 07:14PM UTC	99.96	Travis Job 757.5
7	757.7 (CONF=debug ARCH=x86)	16 Apr 2015 07:21PM UTC	99.96	Travis Job 757.7

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