--- a/fileio.c	2014-12-05 05:06:05 -0600
+++ b/fileio.c	2017-11-14 01:06:28 -0600
@@ -1,5 +1,5 @@
 /*
-  Copyright (c) 1990-2009 Info-ZIP.  All rights reserved.
+  Copyright (c) 1990-2017 Info-ZIP.  All rights reserved.
 
   See the accompanying file LICENSE, version 2009-Jan-02 or later
   (the contents of which are also included in unzip.h) for terms of use.
@@ -1582,6 +1582,8 @@
     int r = IZ_PW_ENTERED;
     char *m;
     char *prompt;
+    char *ep;
+    char *zp;
 
 #ifndef REENTRANT
     /* tell picky compilers to shut up about "unused variable" warnings */
@@ -1590,9 +1592,12 @@
 
     if (*rcnt == 0) {           /* First call for current entry */
         *rcnt = 2;
-        if ((prompt = (char *)malloc(2*FILNAMSIZ + 15)) != (char *)NULL) {
-            sprintf(prompt, LoadFarString(PasswPrompt),
-                    FnFilter1(zfn), FnFilter2(efn));
+        zp = FnFilter1( zfn);
+        ep = FnFilter2( efn);
+        prompt = (char *)malloc(        /* Slightly too long (2* "%s"). */
+         sizeof( PasswPrompt)+ strlen( zp)+ strlen( ep));
+        if (prompt != (char *)NULL) {
+            sprintf(prompt, LoadFarString(PasswPrompt), zp, ep);
             m = prompt;
         } else
             m = (char *)LoadFarString(PasswPrompt2);
5946ed4c794b121'>tree</a><a href='/guix/commit/gnu/system.scm?id=a7f89f97b73a732b7333b21e95946ed4c794b121'>commit</a><a href='/guix/diff/gnu/system.scm?id=a7f89f97b73a732b7333b21e95946ed4c794b121'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/system.scm'>
<input type='hidden' name='id' value='a7f89f97b73a732b7333b21e95946ed4c794b121'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=a7f89f97b73a732b7333b21e95946ed4c794b121&amp;ofs=50'>root</a>/<a href='/guix/log/gnu?id=a7f89f97b73a732b7333b21e95946ed4c794b121&amp;ofs=50'>gnu</a>/<a href='/guix/log/gnu/system.scm?id=a7f89f97b73a732b7333b21e95946ed4c794b121&amp;ofs=50'>system.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/system.scm?id=a7f89f97b73a732b7333b21e95946ed4c794b121&amp;ofs=50&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>