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;
summary</a><a href='/guix/refs/?id=708742109c925dbd41823639f7e589812794b9e9'>refs</a><a class='active' href='/guix/log/gnu/packages/genealogy.scm'>log</a><a href='/guix/tree/gnu/packages/genealogy.scm?id=708742109c925dbd41823639f7e589812794b9e9'>tree</a><a href='/guix/commit/gnu/packages/genealogy.scm?id=708742109c925dbd41823639f7e589812794b9e9'>commit</a><a href='/guix/diff/gnu/packages/genealogy.scm?id=708742109c925dbd41823639f7e589812794b9e9'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/genealogy.scm'>
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<div class='path'>path: <a href='/guix/log/?id=708742109c925dbd41823639f7e589812794b9e9'>root</a>/<a href='/guix/log/gnu?id=708742109c925dbd41823639f7e589812794b9e9'>gnu</a>/<a href='/guix/log/gnu/packages?id=708742109c925dbd41823639f7e589812794b9e9'>packages</a>/<a href='/guix/log/gnu/packages/genealogy.scm?id=708742109c925dbd41823639f7e589812794b9e9'>genealogy.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/gnu/packages/genealogy.scm?id=708742109c925dbd41823639f7e589812794b9e9&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-04-22 17:59:44 -0400'>2020-04-22</span></td><td><a href='/guix/commit/gnu/packages/genealogy.scm?id=5483a2d0a913fe533744699e9ef5757c6e3f6983'>gnu: font-gnu-freefont: Add otf and woff font types.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/fonts.scm (font-gnu-freefont): Add otf and woff font types.
* gnu/packages/genealogy.scm (gramps)[inputs]: Replace font-gnu-freefont-tff
with font-gnu-freefont.
* doc/guix.texi: Adjust a reference to the package.

Signed-off-by: Leo Famulari &lt;leo@famulari.name&gt;
</span></span></td><td>Raghav Gururajan</td></tr>