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<a href="https://gitlab.com/juaristi">Ander Juaristi</a>
commented on a
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1367#note_534040514">lib/x509/x509_ext.c</a>:
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<td class="new_line diff-line-num new" data-linenumber="3766" 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">
3766
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<pre style="margin: 0;">+<span id="LC3766" class="line" lang="c"> <span class="n" style="color: #333;">ptr</span> <span class="o" style="font-weight: 600;">+=</span> <span class="k" style="font-weight: 600;">sizeof</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">uint16_t</span><span class="p">);</span></span>
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3767
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<pre style="margin: 0;">+<span id="LC3767" class="line" lang="c"> <span class="n" style="color: #333;">length</span> <span class="o" style="font-weight: 600;">-=</span> <span class="k" style="font-weight: 600;">sizeof</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">uint16_t</span><span class="p">);</span></span>
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3768
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<pre style="margin: 0;">+<span id="LC3768" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">sig_length</span> <span class="o" style="font-weight: 600;">==</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">{</span></span>
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3769
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<pre style="margin: 0;">+<span id="LC3769" class="line" lang="c"> <span class="n" style="color: #333;">gnutls_assert</span><span class="p">();</span></span>
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<td class="new_line diff-line-num new" data-linenumber="3770" 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">
3770
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<pre style="margin: 0;">+<span id="LC3770" class="line" lang="c"> <span class="n" style="color: #333;">ret</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">GNUTLS_E_PREMATURE_TERMINATION</span><span class="p">;</span></span>
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3771
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<pre style="margin: 0;">+<span id="LC3771" class="line" lang="c"> <span class="k" style="font-weight: 600;">goto</span> <span class="n" style="color: #333;">cleanup</span><span class="p">;</span></span>
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3772
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<pre style="margin: 0;">+<span id="LC3772" class="line" lang="c"> <span class="p">}</span></span>
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3773
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<pre style="margin: 0;">+<span id="LC3773" class="line" lang="c"></span>
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3774
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<pre style="margin: 0;">+<span id="LC3774" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">_gnutls_set_datum</span><span class="p">(</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">sct</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">signature</span><span class="p">,</span> <span class="n" style="color: #333;">ptr</span><span class="p">,</span> <span class="n" style="color: #333;">sig_length</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC3775" class="line" lang="c"> <span class="n" style="color: #333;">gnutls_assert</span><span class="p">();</span></span>
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<pre style="margin: 0;">+<span id="LC3776" class="line" lang="c"> <span class="n" style="color: #333;">ret</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">GNUTLS_E_MEMORY_ERROR</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC3777" class="line" lang="c"> <span class="k" style="font-weight: 600;">goto</span> <span class="n" style="color: #333;">cleanup</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC3778" class="line" lang="c"> <span class="p">}</span></span>
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3779
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<pre style="margin: 0;">+<span id="LC3779" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC3780" class="line" lang="c"> <span class="n" style="color: #333;">length</span> <span class="o" style="font-weight: 600;">-=</span> <span class="n" style="color: #333;">sig_length</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC3781" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">length</span><span class="p">)</span> <span class="p">{</span></span>
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<p dir="auto">I've rewritten it as:</p>
<pre class="code highlight js-syntax-highlight c" lang="c" v-pre="true" style="background-color: #fff; font-family: monospace; font-size: 90%; -premailer-cellpadding: 0; -premailer-cellspacing: 0; -premailer-width: 100%; color: #998; font-style: italic; margin: 0;"><code><span id="LC1" class="line" lang="c"><span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">length</span> <span class="o" style="font-weight: 600;">!=</span> <span class="n" style="color: #333;">sig_length</span><span class="p">)</span> <span class="p">{</span></span>
<span id="LC2" class="line" lang="c"> <span class="n" style="color: #333;">gnutls_assert</span><span class="p">();</span></span>
<span id="LC3" class="line" lang="c"> <span class="n" style="color: #333;">ret</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">GNUTLS_E_ASN1_DER_OVERFLOW</span><span class="p">;</span></span>
<span id="LC4" class="line" lang="c"> <span class="k" style="font-weight: 600;">goto</span> <span class="n" style="color: #333;">cleanup</span><span class="p">;</span></span>
<span id="LC5" class="line" lang="c"><span class="p">}</span></span></code></pre>
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