[PATCH v2 2/2] wt-status: const-ify all printf helper methods

[Samuel Lijin <sxlijin@xxxxxxxxx>]

Change the method signatures of all printf helper methods to take a
`const struct wt_status *` rather than a `struct wt_status *`.

Signed-off-by: Samuel Lijin <sxlijin@xxxxxxxxx>
---
 wt-status.c | 18 +++++++++---------
 wt-status.h |  4 ++--
 2 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/wt-status.c b/wt-status.c
index 2e5452731..4360bbfd7 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -33,7 +33,7 @@ static char default_wt_status_colors[][COLOR_MAXLEN] = {
 	GIT_COLOR_NIL,    /* WT_STATUS_ONBRANCH */
 };
 
-static const char *color(int slot, struct wt_status *s)
+static const char *color(int slot, const struct wt_status *s)
 {
 	const char *c = "";
 	if (want_color(s->use_color))
@@ -43,7 +43,7 @@ static const char *color(int slot, struct wt_status *s)
 	return c;
 }
 
-static void status_vprintf(struct wt_status *s, int at_bol, const char *color,
+static void status_vprintf(const struct wt_status *s, int at_bol, const char *color,
 		const char *fmt, va_list ap, const char *trail)
 {
 	struct strbuf sb = STRBUF_INIT;
@@ -89,7 +89,7 @@ static void status_vprintf(struct wt_status *s, int at_bol, const char *color,
 	strbuf_release(&sb);
 }
 
-void status_printf_ln(struct wt_status *s, const char *color,
+void status_printf_ln(const struct wt_status *s, const char *color,
 			const char *fmt, ...)
 {
 	va_list ap;
@@ -99,7 +99,7 @@ void status_printf_ln(struct wt_status *s, const char *color,
 	va_end(ap);
 }
 
-void status_printf(struct wt_status *s, const char *color,
+void status_printf(const struct wt_status *s, const char *color,
 			const char *fmt, ...)
 {
 	va_list ap;
@@ -109,7 +109,7 @@ void status_printf(struct wt_status *s, const char *color,
 	va_end(ap);
 }
 
-static void status_printf_more(struct wt_status *s, const char *color,
+static void status_printf_more(const struct wt_status *s, const char *color,
 			       const char *fmt, ...)
 {
 	va_list ap;
@@ -192,7 +192,7 @@ static void wt_longstatus_print_unmerged_header(struct wt_status *s)
 	status_printf_ln(s, c, "%s", "");
 }
 
-static void wt_longstatus_print_cached_header(struct wt_status *s)
+static void wt_longstatus_print_cached_header(const struct wt_status *s)
 {
 	const char *c = color(WT_STATUS_HEADER, s);
 
@@ -239,7 +239,7 @@ static void wt_longstatus_print_other_header(struct wt_status *s,
 	status_printf_ln(s, c, "%s", "");
 }
 
-static void wt_longstatus_print_trailer(struct wt_status *s)
+static void wt_longstatus_print_trailer(const struct wt_status *s)
 {
 	status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", "");
 }
@@ -332,7 +332,7 @@ static void wt_longstatus_print_unmerged_data(struct wt_status *s,
 	strbuf_release(&onebuf);
 }
 
-static void wt_longstatus_print_change_data(struct wt_status *s,
+static void wt_longstatus_print_change_data(const struct wt_status *s,
 					    int change_type,
 					    struct string_list_item *it)
 {
@@ -768,7 +768,7 @@ static void wt_longstatus_print_unmerged(struct wt_status *s)
 
 }
 
-static void wt_longstatus_print_updated(struct wt_status *s)
+static void wt_longstatus_print_updated(const struct wt_status *s)
 {
 	int i;
 
diff --git a/wt-status.h b/wt-status.h
index 430770b85..83a1f7c00 100644
--- a/wt-status.h
+++ b/wt-status.h
@@ -135,9 +135,9 @@ int wt_status_check_bisect(const struct worktree *wt,
 			   struct wt_status_state *state);
 
 __attribute__((format (printf, 3, 4)))
-void status_printf_ln(struct wt_status *s, const char *color, const char *fmt, ...);
+void status_printf_ln(const struct wt_status *s, const char *color, const char *fmt, ...);
 __attribute__((format (printf, 3, 4)))
-void status_printf(struct wt_status *s, const char *color, const char *fmt, ...);
+void status_printf(const struct wt_status *s, const char *color, const char *fmt, ...);
 
 /* The following functions expect that the caller took care of reading the index. */
 int has_unstaged_changes(int ignore_submodules);
-- 
2.17.0