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Merge request <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1377">!1377</a> was reviewed by <a href="https://gitlab.com/dueno">Daiki Ueno</a>
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<p style="color: #777777;">
<a href="https://gitlab.com/dueno">Daiki Ueno</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1377#note_493250985">lib/system/sockets.c</a>:
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<td class="new_line diff-line-num new" data-linenumber="94" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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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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<td class="new_line diff-line-num new" data-linenumber="95" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
95
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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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<td class="new_line diff-line-num new" data-linenumber="96" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
96
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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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<p dir="auto">Aren't those two conditions around <code>||</code> redundant (i.e. given <code>to_send_bytes</code> is non-negative, the former condition is stricter than the latter)?</p>
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<p style="color: #777777;">
<a href="https://gitlab.com/dueno">Daiki Ueno</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1377#note_493250993">lib/system/sockets.c</a>:
</p>
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<td class="new_line diff-line-num new" data-linenumber="102" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
102
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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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<td class="new_line diff-line-num new" data-linenumber="103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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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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<td class="new_line diff-line-num new" data-linenumber="104" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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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">Can't it simply <code>break</code>?</p>
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<p style="color: #777777;">
<a href="https://gitlab.com/dueno">Daiki Ueno</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1377#note_493250999">lib/system/sockets.c</a>:
</p>
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<td class="new_line diff-line-num new" data-linenumber="113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
113
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<pre style="margin: 0;">+<span id="LC113" 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>
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114
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<pre style="margin: 0;">+<span id="LC114" class="line" lang="c"> <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 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="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC115" class="line" lang="c"> <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="p">;</span></span>
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<p dir="auto">I'm lost on this <code>to_send_bytes</code> tracking: do I understand correct that <code>WSASend</code> only accepts total bytes < <code>SSIZE_MAX</code>?</p>
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