[SSSD] [PATCH] pysss: test return value of realloc.

Lukas Slebodnik lslebodn at redhat.com
Wed Aug 27 15:12:52 UTC 2014


On (27/08/14 17:10), Pavel Reichl wrote:
>
>On 08/27/2014 10:09 AM, Lukas Slebodnik wrote:
>>ehlo,
>>
>>warning reported by coverity
>>
>>patch is attached
>>
>>LS
>As I understand the code there is no way that 0 could be passed as second
>argument to the realloc call, right? Because that would lead to freeing same
>memory twice.
>
>Would it be more defensive approach to test for zero argument explicitly?
>What do you think Lukas?
>
No,

NULL can be returned if there is not memory for allocation (ENOMEM).
For example you will try to allocate 2^31 bytes

LS



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