X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/64b67b658a37dd780cc1b2fd0ef87febe461a0ba..fc2ba7b9fae5992dd76f721f283714a6d2ea137d:/src/src/pdkim/pdkim.h

diff --git a/src/src/pdkim/pdkim.h b/src/src/pdkim/pdkim.h
index 029387549..b2f586ca1 100644
--- a/src/src/pdkim/pdkim.h
+++ b/src/src/pdkim/pdkim.h
@@ -280,7 +280,7 @@ typedef struct pdkim_ctx {
   pdkim_bodyhash *bodyhash;
 
   /* Callback for dns/txt query method (verification only) */
-  uschar * (*dns_txt_callback)(uschar *);
+  uschar * (*dns_txt_callback)(const uschar *);
 
   /* Coder's little helpers */
   gstring   *cur_header;
@@ -313,7 +313,7 @@ extern "C" {
 
 void	   pdkim_init         (void);
 
-void	   pdkim_init_context (pdkim_ctx *, BOOL, uschar * (*)(uschar *));
+void	   pdkim_init_context (pdkim_ctx *, BOOL, uschar * (*)(const uschar *));
 
 DLLEXPORT
 pdkim_signature *pdkim_init_sign    (pdkim_ctx *,
@@ -321,7 +321,7 @@ pdkim_signature *pdkim_init_sign    (pdkim_ctx *,
 			       const uschar **);
 
 DLLEXPORT
-pdkim_ctx *pdkim_init_verify  (uschar * (*)(uschar *), BOOL);
+pdkim_ctx *pdkim_init_verify  (uschar * (*)(const uschar *), BOOL);
 
 DLLEXPORT
 void       pdkim_set_optional (pdkim_signature *, char *, char *,int, int,