X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=src%2Fsrc%2Flookupapi.h;h=adaed8253cd5f1eacca9327856d79e4fc1a5f171;hb=302e7912253bd1f1a88f04d9a8a71d8a3c9b93fc;hp=9055f52397b40043c01e9afc7d5faaa9ba4b1ece;hpb=d5c0d8c9374623620844d539d4810da63e9abca1;p=exim.git

diff --git a/src/src/lookupapi.h b/src/src/lookupapi.h
index 9055f5239..adaed8253 100644
--- a/src/src/lookupapi.h
+++ b/src/src/lookupapi.h
@@ -3,6 +3,7 @@
 *************************************************/
 
 /* Copyright (c) University of Cambridge 1995 - 2015 */
+/* Copyright (c) The Exim Maintainers 2020 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 
@@ -18,23 +19,24 @@ typedef struct lookup_info {
   uschar *name;                   /* e.g. "lsearch" */
   int type;                       /* query/singlekey/abs-file */
   void *(*open)(                  /* open function */
-    uschar *,                     /* file name for those that have one */
+    const uschar *,               /* file name for those that have one */
     uschar **);                   /* for error message */
   BOOL (*check)(                  /* file checking function */
     void *,                       /* handle */
-    uschar *,                     /* file name */
+    const uschar *,               /* file name */
     int,                          /* modemask for file checking */
     uid_t *,                      /* owners for file checking */
     gid_t *,                      /* owngroups for file checking */
     uschar **);                   /* for error messages */
   int (*find)(                    /* find function */
     void *,                       /* handle */
-    uschar *,                     /* file name or NULL */
+    const uschar *,               /* file name or NULL */
     const uschar *,               /* key or query */
     int,                          /* length of key or query */
     uschar **,                    /* for returning answer */
     uschar **,                    /* for error message */
-    uint *);                      /* cache TTL, seconds */
+    uint *,                       /* cache TTL, seconds */
+    const uschar *);		  /* options */
   void (*close)(                  /* close function */
     void *);                      /* handle */
   void (*tidy)(void);             /* tidy function */