From 5b6ed5481751f7cd12e92abc2825e0d0e74a2188 Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Sat, 13 Jun 2026 20:07:30 +0000
Subject: [PATCH] Add some missing const, from Jere Viikari.

---
 environ.c    |  3 ++-
 format.c     |  4 ++--
 input-keys.c |  2 +-
 input.c      | 16 ++++++++--------
 4 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/environ.c b/environ.c
index 1e167b8a..f9bc8cab 100644
--- a/environ.c
+++ b/environ.c
@@ -152,7 +152,8 @@ environ_clear(struct environ *env, const char *name)
 void
 environ_put(struct environ *env, const char *var, int flags)
 {
-	char	*name, *value;
+	char		*name;
+	const char	*value;
 
 	value = strchr(var, '=');
 	if (value == NULL)
diff --git a/format.c b/format.c
index 5a0a638e..cb309e08 100644
--- a/format.c
+++ b/format.c
@@ -3760,7 +3760,7 @@ format_table_compare(const void *key0, const void *entry0)
 }
 
 /* Get a format callback. */
-static struct format_table_entry *
+static const struct format_table_entry *
 format_table_get(const char *key)
 {
 	return (bsearch(key, format_table, nitems(format_table),
@@ -4094,7 +4094,7 @@ static char *
 format_find(struct format_tree *ft, const char *key, int modifiers,
     const char *time_format)
 {
-	struct format_table_entry	*fte;
+	const struct format_table_entry	*fte;
 	void				*value;
 	struct format_entry		*fe, fe_find;
 	struct environ_entry		*envent;
diff --git a/input-keys.c b/input-keys.c
index 963824c7..7d52106e 100644
--- a/input-keys.c
+++ b/input-keys.c
@@ -484,7 +484,7 @@ input_key_vt10x(struct bufferevent *bev, key_code key)
 {
 	struct utf8_data	 ud;
 	key_code		 onlykey;
-	char			*p;
+	const char		*p;
 	static const char	*standard_map[2] = {
 		"1!9(0)=+;:'\",<.>/-8? 2",
 		"119900=+;;'',,..\x1f\x1f\x7f\x7f\0\0",
diff --git a/input.c b/input.c
index 0681b88e..22440e81 100644
--- a/input.c
+++ b/input.c
@@ -1365,7 +1365,7 @@ input_esc_dispatch(struct input_ctx *ictx)
 {
 	struct screen_write_ctx		*sctx = &ictx->ctx;
 	struct screen			*s = sctx->s;
-	struct input_table_entry	*entry;
+	const struct input_table_entry	*entry;
 
 	if (ictx->flags & INPUT_DISCARD)
 		return (0);
@@ -1439,12 +1439,12 @@ input_esc_dispatch(struct input_ctx *ictx)
 static int
 input_csi_dispatch(struct input_ctx *ictx)
 {
-	struct screen_write_ctx	       *sctx = &ictx->ctx;
-	struct screen		       *s = sctx->s;
-	struct input_table_entry       *entry;
-	struct options		       *oo;
-	int				i, n, m, ek, set, p;
-	u_int				cx, bg = ictx->cell.cell.bg;
+	struct screen_write_ctx		*sctx = &ictx->ctx;
+	struct screen			*s = sctx->s;
+	const struct input_table_entry	*entry;
+	struct options			*oo;
+	int				 i, n, m, ek, set, p;
+	u_int				 cx, bg = ictx->cell.cell.bg;
 
 	if (ictx->flags & INPUT_DISCARD)
 		return (0);
@@ -3188,7 +3188,7 @@ static int
 input_osc_52_parse(struct input_ctx *ictx, const char *p, u_char **out,
     int *outlen, char *clip)
 {
-	char		*end;
+	const char	*end;
 	size_t		 len;
 	const char	*allow = "cpqs01234567";
 	u_int		 i, j = 0;