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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/1377#note_509557869">lib/system/sockets.c</a>:
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<pre style="margin: 0;">+<span id="LC89" 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="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;">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="LC91" class="line" lang="c"> <span class="n" style="color: #333;">bool</span> <span class="n" style="color: #333;">ovrflwn</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">false</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC92" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC93" class="line" lang="c"> <span class="k" style="font-weight: 600;">for</span> <span class="p">(</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 class="n" style="color: #333;">to_send_cnt</span> <span class="o" style="font-weight: 600;"><</span> <span class="n" style="color: #333;">iovec_cnt</span> <span class="o" style="font-weight: 600;">&&</span> <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">ovrflwn</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC94" class="line" lang="c"> <span class="o" style="font-weight: 600;">++</span><span class="n" style="color: #333;">to_send_cnt</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC95" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">to_send_bytes</span> <span class="o" style="font-weight: 600;">+</span> <span class="n" style="color: #333;">iovec</span><span class="p">[</span><span class="n" style="color: #333;">to_send_cnt</span><span class="p">].</span><span class="n" style="color: #333;">iov_len</span> <span class="o" style="font-weight: 600;">></span> <span class="n" style="color: #333;">SSIZE_MAX</span> <span class="o" style="font-weight: 600;">||</span></span>
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<pre style="margin: 0;">+<span id="LC96" class="line" lang="c"> <span class="n" style="color: #333;">iovec</span><span class="p">[</span><span class="n" style="color: #333;">to_send_cnt</span><span class="p">].</span><span class="n" style="color: #333;">iov_len</span> <span class="o" style="font-weight: 600;">></span> <span class="n" style="color: #333;">SSIZE_MAX</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC97" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">size_t</span> <span class="n" style="color: #333;">space_left</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC98" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC99" class="line" lang="c"> <span class="n" style="color: #333;">space_left</span> <span class="o" style="font-weight: 600;">=</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;">SSIZE_MAX</span> <span class="o" style="font-weight: 600;">-</span> <span class="n" style="color: #333;">to_send_bytes</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC100" class="line" lang="c"> <span class="n" style="color: #333;">bufs</span><span class="p">[</span><span class="n" style="color: #333;">to_send_cnt</span><span class="p">].</span><span class="n" style="color: #333;">buf</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">iovec</span><span class="p">[</span><span class="n" style="color: #333;">to_send_cnt</span><span class="p">].</span><span class="n" style="color: #333;">iov_base</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC101" class="line" lang="c"> <span class="n" style="color: #333;">bufs</span><span class="p">[</span><span class="n" style="color: #333;">to_send_cnt</span><span class="p">].</span><span class="n" style="color: #333;">len</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">unsigned</span> <span class="kt" style="color: #458; font-weight: 600;">long</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC102" class="line" lang="c"> <span class="p">(</span><span class="n" style="color: #333;">space_left</span> <span class="o" style="font-weight: 600;">></span> <span class="n" style="color: #333;">ULONG_MAX</span> <span class="o" style="font-weight: 600;">?</span></span>
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<pre style="margin: 0;">+<span id="LC103" class="line" lang="c"> <span class="n" style="color: #333;">ULONG_MAX</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">space_left</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC104" class="line" lang="c"> <span class="n" style="color: #333;">ovrflwn</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">true</span><span class="p">;</span></span>
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<p dir="auto">It can be replaced with <code>{++to_send_cnt; break;}</code>.
Maybe is should be replace for readability.</p>
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