From http://swish-e.org/archive/2015-09/13295.html

--- a/src/compress.c	
+++ a/src/compress.c	
@@ -995,7 +995,7 @@ void    remove_worddata_longs(unsigned char *worddata,int *sz_worddata)
             progerr("Internal error in remove_worddata_longs");
 
         /* dst may be smaller than src. So move the data */
-        memcpy(dst,src,data_len);
+        memmove(dst,src,data_len);
 
         /* Increase pointers */
         src += data_len;
--- a/src/headers.c	
+++ a/src/headers.c	
@@ -280,7 +280,7 @@ static SWISH_HEADER_VALUE fetch_single_header( IndexFILE *indexf, HEADER_MAP *he
 
         case SWISH_NUMBER:
         case SWISH_BOOL:
-            value.number = *(unsigned long *) data_pointer;
+            value.number = *(unsigned int *) data_pointer;
 
             /* $$$ Ugly hack alert! */
             /* correct for removed files */
--- a/src/swishspider	
+++ a/src/swishspider	
@@ -27,6 +27,7 @@ use LWP::UserAgent;
 use HTTP::Status;
 use HTML::Parser 3.00;
 use HTML::LinkExtor;
+use Encode;
 
     if (scalar(@ARGV) != 2) {
         print STDERR "Usage: $0 localpath url\n";
@@ -94,7 +95,7 @@ use HTML::LinkExtor;
     # Don't allow links above the base
     $URI::ABS_REMOTE_LEADING_DOTS = 1;
 
-    $p->parse( $$content_ref );
+    $p->parse( decode_utf8 $$content_ref );
     close( LINKS );
 
     exit;
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<div class='path'>path: <a href='/guix/log/?id=73d747524629e7ffa38c2e1302bcafa299d3fcee'>root</a>/<a href='/guix/log/tests?id=73d747524629e7ffa38c2e1302bcafa299d3fcee'>tests</a>/<a href='/guix/log/tests/syscalls.scm?id=73d747524629e7ffa38c2e1302bcafa299d3fcee'>syscalls.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/syscalls.scm?id=73d747524629e7ffa38c2e1302bcafa299d3fcee&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2018-07-03 17:50:04 +0200'>2018-07-03</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=25c7ff6a3ecbaa1e93b38d35c8cbff40b7f4edb8'>syscalls: Define AT_SYMLINK_NOFOLLOW et al.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-04-08 17:41:08 +0200'>2018-04-08</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=6ef80eb0d94181eb5f755a11fca0d428252ce753'>tests: Skip 'pivot-root' test on Ubuntu's 4.4 kernels.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-11-25 18:12:33 +0100'>2017-11-25</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=4aac8d059a2bec9f075ceea2a089ca029a71912c'>syscalls: Adjust utmpx test.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-07-12 16:15:30 +0200'>2017-07-12</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=0bc6fe323d34aabc7f51fa80b8872a2c1770d32a'>syscalls: Add network-interface-running?</a><span class='msg-avail'>...</span></td><td>Danny Milosavljevic</td></tr>
<tr><td><span title='2017-06-16 17:08:22 +0200'>2017-06-16</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=fa73c1937364872560c509f02b3d7648a5bed006'>syscalls: Add 'scandir*'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-05-28 23:13:39 +0200'>2017-05-28</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=aa401f9ba6410095370ce0c4e5a01c02203a2b9f'>syscalls: Add 'thread-name' and 'set-thread-name'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-02-11 22:28:37 +0100'>2017-02-11</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=a1a8b7f2e20513a3ad968e74e7ec52546404e3c6'>tests: Relax test on utmpx entries.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-01-31 00:10:44 +0100'>2017-01-31</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=f18eded8ec4df75444e4feaeb92b3cc1236c2253'>tests: Really skip /var/run/utmpx test when needed.</a><span class='msg-avail'>...</span></td><td>Paul Garlick</td></tr>
<tr><td><span title='2017-01-24 00:46:37 +0100'>2017-01-24</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=3483f004a98f103acff96effe1309cc620372e79'>syscalls: Export 'read-utmpx'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-01-19 23:21:25 +0100'>2017-01-19</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=150309726f221c9b982e594466d35f5b895391d5'>syscalls: Add utmpx procedures and data structure.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-11-21 00:34:48 +0100'>2016-11-21</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=9e38e3cf527d907b499f8fc909aac5d0e25a5af7'>syscalls: Add 'add-network-route/gateway' and 'delete-network-route'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-11-16 23:38:06 +0100'>2016-11-16</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=67e5f3b71d87d0a0e444df2e039c458629708cd4'>syscalls: Add bindings for SIOCGIFNETMASK and SIOCSIFNETMASK.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-10-27 01:00:41 +0200'>2016-10-27</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=a91d75ecbde59b5400e4812868c3a55e12a220d9'>tests: Skip 'pivot-root' test on Linux &gt; 4.7.5.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-10-19 15:54:11 +0200'>2016-10-19</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=fe9bdb581e6c4a62795f4ced6f4a5a8eab1a34e4'>tests: Make sure child process of 'pivot-root' test exits.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>