Fix CVE-2016-1531

[exim.git] / src / src / exim_dbmbuild.c

diff --git a/src/src/exim_dbmbuild.c b/src/src/exim_dbmbuild.c
index ce06f16e79a5afabfa0ec44a550c52bacc9a4b79..7babc643e14d721f7ff2c62cf0ec30bc014a0fa1 100644 (file)
--- a/src/src/exim_dbmbuild.c
+++ b/src/src/exim_dbmbuild.c
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2009 */
+/* Copyright (c) University of Cambridge 1995 - 2015 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 
@@ -88,10 +88,10 @@ Returns:   the value of the character escape
 */
 
 int
-string_interpret_escape(uschar **pp)
+string_interpret_escape(const uschar **pp)
 {
 int ch;
-uschar *p = *pp;
+const uschar *p = *pp;
 ch = *(++p);
 if (isdigit(ch) && ch != '8' && ch != '9')
   {
@@ -329,7 +329,7 @@ while (Ufgets(line, max_insize, f) != NULL)
       keystart = t;
       while (*s != 0 && *s != '\"')
         {
-        if (*s == '\\') *t++ = string_interpret_escape(&s);
+        if (*s == '\\') *t++ = string_interpret_escape((const uschar **)&s);
           else *t++ = *s;
         s++;
         }