<p style="white-space: pre-wrap; word-wrap: break-word;">sorry, but no matter what I do, gcc doesn't like casting cb[]:</p><p style="white-space: pre-wrap; word-wrap: break-word;">gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516</p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">mgcp_endp.h:44:41: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]<br> #define OSMO_RTP_MSG_CTX(MSGB) ((struct osmo_rtp_msg_ctx*)(void*)((MSGB)->cb))</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">mgcp_endp.h:44:41: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]<br> #define OSMO_RTP_MSG_CTX(MSGB) ((struct osmo_rtp_msg_ctx*)((MSGB)->cb))</pre><p style="white-space: pre-wrap; word-wrap: break-word;">I am wondering how JIBUF_MSGB_CB avoids these warnings?</p><p><a href="https://gerrit.osmocom.org/c/osmo-mgw/+/18913">View Change</a></p><ul style="list-style: none; padding: 0;"></ul><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-mgw/+/18913">change 18913</a>. To unsubscribe, or for help writing mail filters, visit <a href="https://gerrit.osmocom.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://gerrit.osmocom.org/c/osmo-mgw/+/18913"/><meta itemprop="name" content="View Change"/></div></div>

<div style="display:none"> Gerrit-Project: osmo-mgw </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: I3af40b63bc49f8636d4e7ea2f8f83bb67f6619ee </div>
<div style="display:none"> Gerrit-Change-Number: 18913 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: neels <nhofmeyr@sysmocom.de> </div>
<div style="display:none"> Gerrit-Reviewer: Jenkins Builder </div>
<div style="display:none"> Gerrit-Reviewer: neels <nhofmeyr@sysmocom.de> </div>
<div style="display:none"> Gerrit-CC: laforge <laforge@osmocom.org> </div>
<div style="display:none"> Gerrit-CC: pespin <pespin@sysmocom.de> </div>
<div style="display:none"> Gerrit-Comment-Date: Tue, 23 Jun 2020 15:06:41 +0000 </div>
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