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<a href="https://gitlab.com/nmav">Nikos Mavrogiannopoulos</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/merge_requests/1092#note_230218330">lib/str.c</a>:
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<pre style="margin: 0;"> <span id="LC289" class="line" lang="c"> <span class="n" style="color: #333;">gnutls_datum_t</span> <span class="n" style="color: #333;">tdata</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC290" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC291" class="line" lang="c"> <span class="n" style="color: #333;">_gnutls_buffer_pop_datum</span><span class="p">(</span><span class="n" style="color: #333;">str</span><span class="p">,</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">tdata</span><span class="p">,</span> <span class="n" style="color: #333;">req_size</span><span class="p">);</span></span>
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<pre style="margin: 0;">-<span id="LC292" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">tdata</span><span class="p">.</span><span class="n" style="color: #333;">data</span> <span class="o" style="font-weight: 600;">==</span> <span class="nb" style="color: #0086b3;">NULL</span> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">tdata</span><span class="p">.</span><span class="n" style="color: #333;">size</span> <span class="o" style="font-weight: 600;"><span class="idiff left right">!=</span></span> <span class="n" style="color: #333;">req_size</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC292" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">tdata</span><span class="p">.</span><span class="n" style="color: #333;">data</span> <span class="o" style="font-weight: 600;">==</span> <span class="nb" style="color: #0086b3;">NULL</span> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">tdata</span><span class="p">.</span><span class="n" style="color: #333;">size</span> <span class="o" style="font-weight: 600;"><span class="idiff left right">></span></span> <span class="n" style="color: #333;">req_size</span><span class="p">)</span> <span class="p">{</span></span>
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<p dir="auto">Hmmm, that is tricky. This function has no way to return the size of the data, nor it is expected to. It is all or nothing, so the existing limitation seems reasonable.</p>
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