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Merge request <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1508">!1508</a> was reviewed by <a href="https://gitlab.com/fweimer-rh">Florian Weimer</a>
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<p style="color: #777777;">
<a href="https://gitlab.com/fweimer-rh">Florian Weimer</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1508#note_806726712">configure.ac</a>:
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<pre style="margin: 0;">+<span id="LC780" class="line" lang="plaintext"> mpz_t n;</span>
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<pre style="margin: 0;">+<span id="LC781" class="line" lang="plaintext"> mpz_init(n);])],</span>
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<pre style="margin: 0;">+<span id="LC782" class="line" lang="plaintext"> [interp=`$READELF -l conftest$EXEEXT | sed -n "$extract_interp"`])</span>
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<pre class="code highlight js-syntax-highlight language-suggestion" lang="suggestion" data-lang-params="-0+0" v-pre="true" style="background-color: #fff; font-family: monospace; font-size: 90%; -premailer-cellpadding: 0; -premailer-cellspacing: 0; -premailer-width: 100%; margin: 0;"><code><span id="LC1" class="line" lang="suggestion"> [interp=`$READELF -lW conftest$EXEEXT | sed -n "$extract_interp"`])</span></code></pre>
<copy-code></copy-code>
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<p dir="auto"><code>-W</code> produces stable output suitable for scripting. Not sure why you need to link against GMP for this check, though.</p>
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<p style="color: #777777;">
<a href="https://gitlab.com/fweimer-rh">Florian Weimer</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1508#note_806726718">lib/global.c</a>:
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<pre style="margin: 0;">+<span id="LC599" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC600" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC601" class="line" lang="c"> <span class="n" style="color: #333;">fwrite</span><span class="p">(</span><span class="n" style="color: #333;">banner_footer</span><span class="p">,</span> <span class="mi" style="color: #099;">1</span><span class="p">,</span> <span class="k" style="font-weight: 600;">sizeof</span><span class="p">(</span><span class="n" style="color: #333;">banner_footer</span><span class="p">)</span><span class="o" style="font-weight: 600;">-</span><span class="mi" style="color: #099;">1</span><span class="p">,</span> <span class="n" style="color: #333;">stdout</span><span class="p">);</span></span>
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<p dir="auto">It would be slightly safer to use <code>write</code> (the system call) in this context. This is not a properly linked program, and there are likely issues around stdio initialization. And the code only works if <code>stdout</code> is line-buffered (a terminal). If the output is redirected, it won't be printed before the <code>_exit</code> system call.</p>
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