handling of blob_buf_free?

[Nick]

As rule of thumb I would say:
- use struct blob_buf b = {0}; in the function as local variable
- free after using it
- use "struct ubus_context *ctx_local" in callback functions to 
differentiate between global ctx pointer and local callback variables

In the examples it is also freed. However, I would move the global 
definitions to local ones?
https://git.openwrt.org/?p=project/libubox.git;a=blob;f=examples/json_script-example.c;h=6d93059a412e3c829c29df1b41c9dece8852499d;hb=HEAD#l10

Bests
Nick

On 10/13/21 07:53, Nick wrote:
> Since I saw there were some new patches, e.g., procd, fixing 
> blob_buf_free() calls.
> I asked several months ago: "Should you call blob_buf_free() after 
> calling blob_buf_init()?"
> https://forum.openwrt.org/t/should-you-call-blob-buf-free-after-calling-blob-buf-init 
>
>
> I did not receive any answer. I think blob_buf_init() is freeing 
> memory if it is the same buf?
> Any suggestions how to use blob_buf_free?
>
> Bests
> Nick
>
>
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