[asterisk-bugs] [JIRA] (ASTERISK-20850) [patch]Nested functions aren't portable. Adapting RAII_VAR to use clang/llvm blocks to get the same/similar functionality.

[Matt Jordan (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-20850?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Jordan updated ASTERISK-20850:
-----------------------------------

    Component/s:     (was: General)
                 Core/BuildSystem

> [patch]Nested functions aren't portable. Adapting RAII_VAR to use clang/llvm blocks to get the same/similar functionality.
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-20850
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20850
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Core/BuildSystem
>    Affects Versions: 11.1.0
>         Environment: CLANG
>            Reporter: Diederik de Groot
>         Attachments: RAII_CLANG.patch
>
>
> Nested functions are a GCC extension that is not sanctioned by C standards, thus the use of them is non-portable.  Specifically, CLANG does not support them.  CLANG is used by OSX, current versions of FreeBSD, and NetBSD is experimenting with it.  The RAII_VAR macro in include/asterisk/utils.h creates nested functions.  This prevents Asterisk 11.* from compiling with CLANG.



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