From 5ea99371dd6dd6c5b73c6efc7fa455126109ef35 Mon Sep 17 00:00:00 2001
From: Witold Filipczyk <witekfl@poczta.onet.pl>
Date: Mon, 31 Jan 2022 16:41:29 +0100
Subject: [PATCH] [bfu] const

---
 src/bfu/text.c      | 7 ++++---
 src/bfu/text.h      | 2 +-
 src/intl/charsets.c | 2 +-
 src/intl/charsets.h | 2 +-
 4 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/bfu/text.c b/src/bfu/text.c
index 728367be..6794919b 100644
--- a/src/bfu/text.c
+++ b/src/bfu/text.c
@@ -38,12 +38,13 @@ add_dlg_text(struct dialog *dlg, char *text,
 /* Returns length of substring (from start of @text) before a split. */
 #ifdef CONFIG_UTF8
 static inline int
-split_line(char *text, int max_width, int *cells, int utf8)
+split_line(const char *text2, int max_width, int *cells, int utf8)
 #else
 static inline int
-split_line(char *text, int max_width, int *cells)
+split_line(const char *text2, int max_width, int *cells)
 #endif /* CONFIG_UTF8 */
 {
+	char *text = (char *)text2;
 	char *split = text;
 #ifdef CONFIG_UTF8
 	char *text_end = split + strlen(split);
@@ -212,7 +213,7 @@ split_lines(struct widget_data *widget_data, int max_width)
 /* Format text according to dialog box and alignment. */
 void
 dlg_format_text_do(struct dialog_data *dlg_data,
-		char *text,
+		const char *text,
 		int x, int *y, int width, int *real_width,
 		struct color_pair *color, format_align_T align,
 		int format_only)
diff --git a/src/bfu/text.h b/src/bfu/text.h
index 0833bc5d..d8c81f1c 100644
--- a/src/bfu/text.h
+++ b/src/bfu/text.h
@@ -51,7 +51,7 @@ void add_dlg_text(struct dialog *dlg, char *text,
 
 extern const struct widget_ops text_ops;
 void dlg_format_text_do(struct dialog_data *dlg_data,
-		    char *text, int x, int *y, int w, int *rw,
+		    const char *text, int x, int *y, int w, int *rw,
 		    struct color_pair *scolor, format_align_T align, int format_only);
 
 void
diff --git a/src/intl/charsets.c b/src/intl/charsets.c
index 05a12c22..d92d78f4 100644
--- a/src/intl/charsets.c
+++ b/src/intl/charsets.c
@@ -402,7 +402,7 @@ utf8_ptr2chars(char *string, char *end)
  * specified number of cells.
  */
 int
-utf8_cells2bytes(char *string, int max_cells, char *end)
+utf8_cells2bytes(const char *string, int max_cells, char *end)
 {
 	unsigned int bytes = 0, cells = 0;
 
diff --git a/src/intl/charsets.h b/src/intl/charsets.h
index 87dc9351..1d86c645 100644
--- a/src/intl/charsets.h
+++ b/src/intl/charsets.h
@@ -139,7 +139,7 @@ int utf8charlen(const char *);
 int utf8_char2cells(const char *, char *);
 int utf8_ptr2cells(const char *, char *);
 int utf8_ptr2chars(char *, char *);
-int utf8_cells2bytes(char *, int, char *);
+int utf8_cells2bytes(const char *, int, char *);
 /* How utf8_step_forward and utf8_step_backward count steps.  */
 enum utf8_step {
 	/* Each step is one character, even if it is a combining or