#include "serialise.hh"
#include "util.hh"

#include <cstring>
#include <cerrno>


namespace nix {


BufferedSink::~BufferedSink()
{
    /* We can't call flush() here, because C++ for some insane reason
       doesn't allow you to call virtual methods from a destructor. */
    assert(!bufPos);
    delete[] buffer;
}

    
void BufferedSink::operator () (const unsigned char * data, size_t len)
{
    if (!buffer) buffer = new unsigned char[bufSize];
    
    while (len) {
        /* Optimisation: bypass the buffer if the data exceeds the
           buffer size. */
        if (bufPos + len >= bufSize) {
            flush();
            write(data, len);
            break;
        }
        /* Otherwise, copy the bytes to the buffer.  Flush the buffer
           when it's full. */
        size_t n = bufPos + len > bufSize ? bufSize - bufPos : len;
        memcpy(buffer + bufPos, data, n);
        data += n; bufPos += n; len -= n;
        if (bufPos == bufSize) flush();
    }
}


void BufferedSink::flush()
{
    if (bufPos == 0) return;
    size_t n = bufPo</td></tr></table>
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<div class='path'>path: <a href='/guix/commit/?id=3f5023a503a4cc232ced2097efe1ca3a57e80fe9'>root</a>/<a href='/guix/commit/gnu?id=3f5023a503a4cc232ced2097efe1ca3a57e80fe9'>gnu</a>/<a href='/guix/commit/gnu/packages?id=3f5023a503a4cc232ced2097efe1ca3a57e80fe9'>packages</a>/<a href='/guix/commit/gnu/packages/nettle.scm?id=3f5023a503a4cc232ced2097efe1ca3a57e80fe9'>nettle.scm</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='3f5023a503a4cc232ced2097efe1ca3a57e80fe9'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Paul A. Patience &lt;paul@apatience.com&gt;</td><td class='right'>2023-12-30 01:58:24 +0000</td></tr>
<tr><th>committer</th><td>Guillaume Le Vaillant &lt;glv@posteo.net&gt;</td><td class='right'>2024-01-04 15:11:47 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/guix/commit/gnu/packages/nettle.scm?id=3f5023a503a4cc232ced2097efe1ca3a57e80fe9'>3f5023a503a4cc232ced2097efe1ca3a57e80fe9</a> (<a href='/guix/patch/gnu/packages/nettle.scm?id=3f5023a503a4cc232ced2097efe1ca3a57e80fe9'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/guix/tree/?id=3f5023a503a4cc232ced2097efe1ca3a57e80fe9'>e4a48837e1c38779eff2b837436c8e75ba74dc85</a> /<a href='/guix/tree/gnu/packages/nettle.scm?id=3f5023a503a4cc232ced2097efe1ca3a57e80fe9'>gnu/packages/nettle.scm</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/guix/commit/gnu/packages/nettle.scm?id=7d05e6c89e0de9853aa68dce6e21ea6451d40946'>7d05e6c89e0de9853aa68dce6e21ea6451d40946</a> (<a href='/guix/diff/gnu/packages/nettle.scm?id=3f5023a503a4cc232ced2097efe1ca3a57e80fe9&amp;id2=7d05e6c89e0de9853aa68dce6e21ea6451d40946'>diff</a>)</td></tr><tr><th>download</th><td colspan='2' class='oid'><a href='/guix/snapshot/guix-3f5023a503a4cc232ced2097efe1ca3a57e80fe9.tar.gz'>guix-3f5023a503a4cc232ced2097efe1ca3a57e80fe9.tar.gz</a><br/><a href='/guix/snapshot/guix-3f5023a503a4cc232ced2097efe1ca3a57e80fe9.zip'>guix-3f5023a503a4cc232ced2097efe1ca3a57e80fe9.zip</a><br/></td></tr></table>
<div class='commit-subject'>gnu: cl-nibbles: Update to 0.14-3.a46a677.</div><div class='commit-msg'>* gnu/packages/lisp-xyz.scm (sbcl-nibbles): Update to 0.14-3.a46a677.
  [file-name]: Rename to cl-nibbles. Move above sha256.

Change-Id: I6a95f3f24b043d7e2c192840d9bad62f5c661fb2
Signed-off-by: Guillaume Le Vaillant &lt;glv@posteo.net&gt;
</div><div class='diffstat-header'><a href='/guix/diff/?id=3f5023a503a4cc232ced2097efe1ca3a57e80fe9'>Diffstat</a> (limited to 'gnu/packages/nettle.scm')</div><table summary='diffstat' class='diffstat'></table><div class='diffstat-summary'>0 files changed, 0 insertions, 0 deletions</div><table summary='diff' class='diff'><tr><td></td></tr></table></div> <!-- class=content -->
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en);
}


}