Assorted char * -> const char * API changes.

I went through all the char * parameters and return values I could see
in puzzles.h by eye and spotted ones that surely ought to have been
const all along.

1 files changed, 5 insertions, 4 deletions

diff --git a/emcc.c b/emcc.c
index 7a74833..dbb4ab9 100644
--- a/emcc.c
+++ b/emcc.c
@@ -122,7 +122,7 @@ void get_random_seed(void **randseed, int *randseedsize)
  * Fatal error, called in cases of complete despair such as when
  * malloc() has returned NULL.
  */
-void fatal(char *fmt, ...)
+void fatal(const char *fmt, ...)
 {
     char buf[512];
     va_list ap;
@@ -136,7 +136,7 @@ void fatal(char *fmt, ...)
     js_error_box(buf);
 }
 
-void debug_printf(char *fmt, ...)
+void debug_printf(const char *fmt, ...)
 {
     char buf[512];
     va_list ap;
@@ -384,7 +384,8 @@ static void js_unclip(void *handle)
 }
 
 static void js_draw_text(void *handle, int x, int y, int fonttype,
-                         int fontsize, int align, int colour, char *text)
+                         int fontsize, int align, int colour,
+                         const char *text)
 {
     char fontstyle[80];
     int halign;
@@ -515,7 +516,7 @@ static void js_end_draw(void *handle)
     js_canvas_end_draw();
 }
 
-static void js_status_bar(void *handle, char *text)
+static void js_status_bar(void *handle, const char *text)
 {
     js_canvas_set_statusbar(text);
 }