From e3a7c5cfee46cb11e54183d6a53883d56f6b48db Mon Sep 17 00:00:00 2001
From: Jeremy Harris <jgh146exb@wizmail.org>
Date: Wed, 6 Nov 2024 12:03:39 +0000
Subject: [PATCH] constification

---
 src/src/functions.h | 13 +++++++------
 src/src/match.c     |  4 ++--
 src/src/readconf.c  |  2 +-
 3 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/src/src/functions.h b/src/src/functions.h
index ace6d4018..a8c546efd 100644
--- a/src/src/functions.h
+++ b/src/src/functions.h
@@ -312,11 +312,12 @@ extern gstring * malware_show_supported(gstring *);
 extern int     match_address_list(const uschar *, BOOL, BOOL, const uschar **,
                  unsigned int *, int, int, const uschar **);
 extern int     match_address_list_basic(const uschar *, const uschar **, int);
-extern int     match_check_list(const uschar **, int, tree_node **, unsigned int **,
-                 int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
-                 const uschar *, const uschar **);
-extern int     match_isinlist(const uschar *, const uschar **, int, tree_node **,
-                 unsigned int *, int, BOOL, const uschar **);
+extern int     match_check_list(const uschar * const *, int, tree_node **,
+		 unsigned int **, int(*)(void *, const uschar *,
+					 const uschar **, uschar **),
+		 void *, int, const uschar *, const uschar **);
+extern int     match_isinlist(const uschar *, const uschar * const *, int,
+		 tree_node **, unsigned int *, int, BOOL, const uschar **);
 extern int     match_check_string(const uschar *, const uschar *, int, mcs_flags,
                  const uschar **);
 
@@ -398,7 +399,7 @@ extern int     rda_is_filter(const uschar *);
 extern BOOL    readconf_depends(driver_instance *, uschar *);
 extern void    readconf_driver_init(driver_instance **, driver_info **, int,
 		void *, int, optionlist *, int, const uschar *);
-extern const uschar *readconf_find_option(void *);
+extern const uschar *readconf_find_option(const void *);
 extern void    readconf_main(BOOL);
 extern void    readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *);
 extern BOOL    readconf_print(const uschar *, const uschar *, BOOL);
diff --git a/src/src/match.c b/src/src/match.c
index 60d9cad1f..252efc6c2 100644
--- a/src/src/match.c
+++ b/src/src/match.c
@@ -419,7 +419,7 @@ Returns:       OK    if matched a non-negated item
 */
 
 int
-match_check_list(const uschar **listptr, int sep, tree_node **anchorptr,
+match_check_list(const uschar * const * listptr, int sep, tree_node **anchorptr,
   unsigned int **cache_ptr, int (*func)(void *,const uschar *,const uschar **,uschar **),
   void *arg, int type, const uschar *name, const uschar **valueptr)
 {
@@ -991,7 +991,7 @@ Returns:         OK    if matched a non-negated item
 */
 
 int
-match_isinlist(const uschar *s, const uschar **listptr, int sep,
+match_isinlist(const uschar * s, const uschar * const * listptr, int sep,
    tree_node **anchorptr,
   unsigned int *cache_bits, int type, BOOL caseless, const uschar **valueptr)
 {
diff --git a/src/src/readconf.c b/src/src/readconf.c
index 5ef776fea..960008953 100644
--- a/src/src/readconf.c
+++ b/src/src/readconf.c
@@ -609,7 +609,7 @@ Returns:     the option name, or an empty string
 */
 
 const uschar *
-readconf_find_option(void * listptr)
+readconf_find_option(const void * listptr)
 {
 uschar * list = * USS listptr;
 const uschar * name = NULL, * drname = NULL;
-- 
2.30.2