Heinrich Schuchardt a874cac3b4 malloc: don't compare pointers to 0 ...

0 is not a pointer. So do not compare pointers to 0.

Do not return 0 from functions with a pointer return
type.

Problem identified with Coccinelle.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

2017-11-20 20:18:39 -05:00

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