Borrowed from Debian.

--- swish-e-2.4.7/src/parser.c	2009-04-05 03:58:32.000000000 +0200
+++ swish-e-2.4.7/src/parser.c	2013-06-11 13:53:08.196559035 +0200
@@ -1760,7 +1760,7 @@
     va_start(args, msg);
     vsnprintf(str, 1000, msg, args );
     va_end(args);
-    xmlParserError(parse_data->ctxt, str);
+    xmlParserError(parse_data->ctxt, "%s", str);
 }
 
 static void warning(void *data, const char *msg, ...)
@@ -1772,7 +1772,7 @@
     va_start(args, msg);
     vsnprintf(str, 1000, msg, args );
     va_end(args);
-    xmlParserWarning(parse_data->ctxt, str);
+    xmlParserWarning(parse_data->ctxt, "%s", str);
 }
 
 
--- swish-e-2.4.7/src/result_output.c	2009-04-05 03:58:32.000000000 +0200
+++ swish-e-2.4.7/src/result_output.c	2013-06-11 13:53:38.593550825 +0200
@@ -752,7 +752,7 @@
             s = (char *) emalloc(MAXWORDLEN + 1);
             n = strftime(s, (size_t) MAXWORDLEN, fmt, localtime(&(pv->value.v_date)));
             if (n && f)
-                fprintf(f, s);
+                fprintf(f, "%s", s);
             efree(s);
         }
         break;
mmary</a><a href='/guix/refs/?id=11baa979efd6c3b66cacc0d0f4849d4035acfaaf'>refs</a><a class='active' href='/guix/log/tests/guix-environment.sh'>log</a><a href='/guix/tree/tests/guix-environment.sh?id=11baa979efd6c3b66cacc0d0f4849d4035acfaaf'>tree</a><a href='/guix/commit/tests/guix-environment.sh?id=11baa979efd6c3b66cacc0d0f4849d4035acfaaf'>commit</a><a href='/guix/diff/tests/guix-environment.sh?id=11baa979efd6c3b66cacc0d0f4849d4035acfaaf'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/tests/guix-environment.sh'>
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<div class='path'>path: <a href='/guix/log/?id=11baa979efd6c3b66cacc0d0f4849d4035acfaaf'>root</a>/<a href='/guix/log/tests?id=11baa979efd6c3b66cacc0d0f4849d4035acfaaf'>tests</a>/<a href='/guix/log/tests/guix-environment.sh?id=11baa979efd6c3b66cacc0d0f4849d4035acfaaf'>guix-environment.sh</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/guix-environment.sh?id=11baa979efd6c3b66cacc0d0f4849d4035acfaaf&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-04-21 16:16:38 +0200'>2023-04-21</span></td><td><a href='/guix/commit/tests/guix-environment.sh?id=37dd69b44511dc73eb04bdebe8d82c9a0386338e'>tests: Fix checks for expected failures.</a><span class='msg-avail'>...<span class='msg-tooltip'>Addresses &lt;https://issues.guix.gnu.org/62406&gt;.

With 'set -e', a return status inverted with '!' does not cause the shell to
exit immediately.  Instead use '&amp;&amp; false' to indicate an expected failure.

* tests/guix-archive.sh, tests/guix-build-branch.sh, tests/guix-build.sh,
tests/guix-daemon.sh, tests/guix-download.sh,
tests/guix-environment-container.sh, tests/guix-environment.sh,
tests/guix-gc.sh, tests/guix-git-authenticate.sh, tests/guix-graph.sh,
tests/guix-hash.sh, tests/guix-home.sh, tests/guix-pack-relocatable.sh,
tests/guix-pack.sh, tests/guix-package-aliases.sh, tests/guix-package-net.sh,
tests/guix-package.sh, tests/guix-refresh.sh, tests/guix-shell.sh,
tests/guix-style.sh, tests/guix-system.sh: Replace uses of '! ...' with
'... &amp;&amp; false' or `test ! ...` as appropriate.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2021-10-31 14:49:47 +0200'>2021-10-31</span></td><td><a href='/guix/commit/tests/guix-environment.sh?id=bc5155b952ae8bdbc56aded4d8d39768b4e2a7d4'>Merge remote-tracking branch 'origin/master' into core-updates-frozen</a></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2021-10-25 19:02:32 +0200'>2021-10-25</span></td><td><a href='/guix/commit/tests/guix-environment.sh?id=10208952eaf0834b9cdf341bc75463ed033af315'>environment: Add tests for '--profile'.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to a643deac2de81755a1843a3b41dd53857678bebc.

* tests/guix-environment-container.sh, tests/guix-environment.sh: Add
tests for '--profile'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-07-11 00:46:54 +0200'>2021-07-11</span></td><td><a href='/guix/commit/tests/guix-environment.sh?id=2a3cd4ee3557fbbdca42b5ec2f3ec4546c270203'>environment: Adjust to earlier 'gcc-bootstrap' search paths changes.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to fe6775f52b7f28a5bf74633ea4737c32a64b7e05.

* tests/guix-environment.sh: Expect C_INCLUDE_PATH rather than CPATH in
environment containing 'gcc-bootstrap'.
</span></span></td><td>Ludovic Courtès</td></tr>
search-paths](separator):
New field.
</span></span></td><td>Ludovic Courtès</td></tr>