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<a href="https://gitlab.com/Vrancken">Tom</a>
commented on a
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1394#note_518150268">lib/ext/server_cert_type.c</a>:
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<pre style="margin: 0;"> <span id="LC199" class="line" lang="c"> <span class="n" style="color: #333;">gnutls_buffer_st</span><span class="o" style="font-weight: 600;">*</span> <span class="n" style="color: #333;">data</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC200" class="line" lang="c"><span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC201" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">ret</span><span class="p">;</span></span>
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<pre style="margin: 0;">-<span id="LC196" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">uint8_t</span> <span class="n" style="color: #333;">cert_type</span><span class="p">;</span> <span class="c1" style="color: #998; font-style: italic;">// Holds an IANA cert type ID</span></span>
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<pre style="margin: 0;">+<span id="LC202" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">uint8_t</span> <span class="n" style="color: #333;">cert_type_IANA</span><span class="p">;</span> <span class="c1" style="color: #998; font-style: italic;">// Holds an IANA cert type ID</span></span>
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<pre style="margin: 0;">+<span id="LC203" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">uint8_t</span> <span class="n" style="color: #333;">cert_types</span><span class="p">[</span><span class="n" style="color: #333;">GNUTLS_CRT_MAX</span><span class="p">];</span> <span class="c1" style="color: #998; font-style: italic;">// The list with supported (IANA) cert types. Inv: 0 <= cert type Id < 256</span></span>
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<pre style="margin: 0;"> <span id="LC204" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">uint8_t</span> <span class="n" style="color: #333;">i</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;">num_cert_types</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="LC205" class="line" lang="c"> <span class="n" style="color: #333;">priority_st</span><span class="o" style="font-weight: 600;">*</span> <span class="n" style="color: #333;">cert_priorities</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC206" class="line" lang="c"> <span class="n" style="color: #333;">gnutls_datum_t</span> <span class="n" style="color: #333;">tmp_cert_types</span><span class="p">;</span> <span class="c1" style="color: #998; font-style: italic;">// For type conversion</span></span>
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<p dir="auto">What is your rationale for this? Memory efficiency? Scoping? I thought that all local variables are allocated on the stack regardless of where they are defined? The reason that I put all declarations at the top is readability, i.e., one place where all the variables are defined. Can you elaborate on your desire to move some of the declarations?</p>
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