Hi Bram and list,

2018-2-9(Fri) 20:30:22 UTC+9 Bram Moolenaar:
> Patch 8.0.1481
> Problem:    Clearing a pointer takes two lines.
> Solution:   Add vim_clear() to free and clear the pointer.
> Files:      src/misc2.c, src/proto/misc2.pro, src/edit.c

In todo.txt
> Use vim_clear() in more places, instead of vim_free() and assigning NULL.

I am working on the above items now.
Wait about 6 hours.

It includes the following changes.
- Since cast is dangerous and troublesome, I changed vim_clear() from function 
to macro.

#define VIM_CLEAR(p) \
    do { \
        vim_free(p); \
        p = NULL; \
    } while (0)

Best regards,
Hirohito Higashi (h_east)

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