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<a href="https://gitlab.com/karlson2k">Evgeny Grin</a>
commented on a
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1489#note_744784412">lib/system/sockets.c</a>:
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<pre style="margin: 0;"> <span id="LC84" class="line" lang="c"><span class="nf" style="color: #900; font-weight: 600;">system_writev</span><span class="p">(</span><span class="n" style="color: #333;">gnutls_transport_ptr_t</span> <span class="n" style="color: #333;">ptr</span><span class="p">,</span> <span class="k" style="font-weight: 600;">const</span> <span class="n" style="color: #333;">giovec_t</span> <span class="o" style="font-weight: 600;">*</span> <span class="n" style="color: #333;">iovec</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC85" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">iovec_cnt</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC86" class="line" lang="c"><span class="p">{</span></span>
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<pre style="margin: 0;">-<span id="LC87" class="line" lang="c"> <span class="n" style="color: #333;">WSABUF</span> <span class="n" style="color: #333;">bufs</span><span class="p">[</span><span class="n" style="color: #333;">iovec_cnt</span><span class="p">];</span></span>
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<pre style="margin: 0;">+<span id="LC87" class="line" lang="c"> <span class="n" style="color: #333;">WSABUF</span> <span class="n" style="color: #333;">bufs_stack</span><span class="p">[</span><span class="mi" style="color: #099;">16</span><span class="p">];</span></span>
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<pre style="margin: 0;">+<span id="LC88" class="line" lang="c"> <span class="n" style="color: #333;">WSABUF</span> <span class="o" style="font-weight: 600;">*</span> <span class="n" style="color: #333;">bufs</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC89" class="line" lang="c"> <span class="n" style="color: #333;">DWORD</span> <span class="n" style="color: #333;">bytes_sent</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC90" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">to_send_cnt</span> <span class="o" style="font-weight: 600;">=</span> <span class="mi" style="color: #099;">0</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC91" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">size_t</span> <span class="n" style="color: #333;">to_send_bytes</span> <span class="o" style="font-weight: 600;">=</span> <span class="mi" style="color: #099;">0</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC92" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">ssize_t</span> <span class="n" style="color: #333;">ret</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC93" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC94" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">((</span><span class="kt" style="color: #458; font-weight: 600;">size_t</span><span class="p">)</span><span class="n" style="color: #333;">iovec_cnt</span> <span class="o" style="font-weight: 600;">></span> <span class="k" style="font-weight: 600;">sizeof</span><span class="p">(</span><span class="n" style="color: #333;">bufs_stack</span><span class="p">)</span> <span class="o" style="font-weight: 600;">/</span> <span class="k" style="font-weight: 600;">sizeof</span><span class="p">(</span><span class="n" style="color: #333;">bufs_stack</span><span class="p">[</span><span class="mi" style="color: #099;">0</span><span class="p">]))</span></span>
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<pre style="margin: 0;">+<span id="LC95" class="line" lang="c"> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC96" class="line" lang="c"> <span class="n" style="color: #333;">bufs</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">WSABUF</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span> <span class="n" style="color: #333;">malloc</span> <span class="p">(</span><span class="n" style="color: #333;">iovec_cnt</span> <span class="o" style="font-weight: 600;">*</span> <span class="k" style="font-weight: 600;">sizeof</span><span class="p">(</span><span class="n" style="color: #333;">WSABUF</span><span class="p">));</span></span>
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<p dir="auto">Alternative version: <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1490" data-original="https://gitlab.com/gnutls/gnutls/-/merge_requests/1490" data-link="false" data-link-reference="true" data-project="179611" data-merge-request="128002414" data-project-path="gnutls/gnutls" data-iid="1490" data-mr-title="sockets: fixed building for Windows with compilers without VLA support (alternative version)" data-reference-type="merge_request" data-container="body" data-placement="top" title="" class="gfm gfm-merge_request">!1490</a></p>
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