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<a href="https://gitlab.com/rockdaboot">Tim Rühsen</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1493#note_763228436">lib/fips.c</a>:
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<pre style="margin: 0;"> <span id="LC282" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC283" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC284" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC285" class="line" lang="c"> <span class="n" style="color: #333;">hmac_size</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hex_data_size</span><span class="p">(</span><span class="n" style="color: #333;">data</span><span class="p">.</span><span class="n" style="color: #333;">size</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC286" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC287" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* trim eventual newlines from the end of the data read from file */</span></span>
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<td class="old_line diff-line-num old" data-linenumber="256" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC256" class="line" lang="c"> <span class="k" style="font-weight: 600;">while</span> <span class="p"><span class="idiff left deletion">(</span>(</span><span class="n" style="color: #333;">data</span><span class="p">.</span><span class="n" style="color: #333;">size</span> <span class="o" style="font-weight: 600;">></span> <span class="mi" style="color: #099;">0</span><span class="p"><span class="idiff deletion">)</span></span> <span class="o" style="font-weight: 600;">&&</span> <span class="p"><span class="idiff deletion">(</span></span><span class="n" style="color: #333;">data</span><span class="p">.</span><span class="n" style="color: #333;">data</span><span class="p">[</span><span class="n" style="color: #333;">data</span><span class="p">.</span><span class="n" style="color: #333;">size</span> <span class="o" style="font-weight: 600;">-</span> <span class="mi" style="color: #099;">1</span><span class="p">]</span> <span class="o" style="font-weight: 600;">==</span> <span class="sc" style="color: #d14;">'\n'</span><span class="p">)<span class="idiff right deletion">)</span></span> <span class="p">{</span></span>
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<td class="new_line diff-line-num new" data-linenumber="288" 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="LC288" class="line" lang="c"> <span class="k" style="font-weight: 600;">while</span> <span class="p">(</span><span class="n" style="color: #333;">data</span><span class="p">.</span><span class="n" style="color: #333;">size</span> <span class="o" style="font-weight: 600;">></span> <span class="mi" style="color: #099;">0</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">data</span><span class="p">.</span><span class="n" style="color: #333;">data</span><span class="p">[</span><span class="n" style="color: #333;">data</span><span class="p">.</span><span class="n" style="color: #333;">size</span> <span class="o" style="font-weight: 600;">-</span> <span class="mi" style="color: #099;">1</span><span class="p">]</span> <span class="o" style="font-weight: 600;">==</span> <span class="sc" style="color: #d14;">'\n'</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC289" class="line" lang="c"> <span class="n" style="color: #333;">data</span><span class="p">.</span><span class="n" style="color: #333;">data</span><span class="p">[</span><span class="n" style="color: #333;">data</span><span class="p">.</span><span class="n" style="color: #333;">size</span> <span class="o" style="font-weight: 600;">-</span> <span class="mi" style="color: #099;">1</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>
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<pre style="margin: 0;"> <span id="LC290" class="line" lang="c"> <span class="n" style="color: #333;">data</span><span class="p">.</span><span class="n" style="color: #333;">size</span><span class="o" style="font-weight: 600;">--</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC291" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC292" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC293" 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_hex_decode</span><span class="p">(</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">data</span><span class="p">,</span> <span class="n" style="color: #333;">hmac</span><span class="p">,</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">hmac_size</span><span class="p">);</span></span>
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<pre style="margin: 0;">-<span id="LC262" class="line" lang="c"> <span class="n" style="color: #333;">gnutls_free</span><span class="p">(</span><span class="n" style="color: #333;">data</span><span class="p">.</span><span class="n" style="color: #333;">data</span><span class="p">);</span></span>
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<pre style="margin: 0;">-<span id="LC263" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC294" class="line" lang="c"> <span class="n" style="color: #333;">_gnutls_free_datum</span><span class="p">(</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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<p dir="auto"><code>data</code> is freed in cleanup code a second time, so IMO you can remove this line.</p>
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