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<a href="https://gitlab.com/dueno">Daiki Ueno</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1300#note_395423261">devel/import-ecc-from-nettle.sh</a>:
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<pre style="margin: 0;"> <span id="LC202" class="line" lang="shell"> <span class="p">;;</span></span>
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<pre style="margin: 0;"> <span id="LC203" class="line" lang="shell"> <span class="k" style="font-weight: 600;">*</span>/ecc-random.c <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC204" class="line" lang="shell"> <span class="nb" style="color: #0086b3;">sed</span> <span class="se" style="color: #d14;">\</span></span>
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<pre style="margin: 0;">-<span id="LC205" class="line" lang="shell"> <span class="nt" style="color: #000080;">-e</span> <span class="s1" style="color: #d14;">'s/"nettle-internal\.h"/"nettle-alloca.h"/'</span> <span class="se" style="color: #d14;">\</span></span>
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<pre style="margin: 0;">+<span id="LC205" class="line" lang="shell"> <span class="nt" style="color: #000080;">-e</span> <span class="s1" style="color: #d14;">'s/"nettle-internal\.h"/"nettle-alloca.h"<span class="idiff left right">\nvoid ecc_scalar_random(struct ecc_scalar \*, void \*, nettle_random_func \*);</span>/'</span> <span class="se" style="color: #d14;">\</span></span>
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<p dir="auto">Using a backslash escape (<code>\n</code>) in replacement is not portable, for example:</p>
<pre class="code highlight js-syntax-highlight console" lang="console" 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="console"><span class="gp" style="color: #555;">ueno@gcc-solaris10:~$</span><span class="w" style="color: #bbb;"> </span><span class="nb" style="color: #0086b3;">echo </span>a <span class="o" style="font-weight: 600;">></span> a</span>
<span id="LC2" class="line" lang="console"><span class="gp" style="color: #555;">ueno@gcc-solaris10:~$</span><span class="w" style="color: #bbb;"> </span><span class="nb" style="color: #0086b3;">sed</span> <span class="s1" style="color: #d14;">'s/a/"bar"\n"foo"/'</span> a</span>
<span id="LC3" class="line" lang="console"><span class="go" style="color: #888;">"bar"n"foo"</span></span></code></pre>
<p dir="auto">I'd suggest using <code>i</code> and <code>d</code> combination as in:
<a href="https://gitlab.com/gnutls/gnutls/-/blob/master/devel/import-from-nettle.sh#L134">https://gitlab.com/gnutls/gnutls/-/blob/master/devel/import-from-nettle.sh#L134</a></p>
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