Return error messages as 'const char *', not 'char *'.

[sgt-puzzles.git] / flood.c

diff --git a/flood.c b/flood.c
index 90247fc2d0eca9adb4f6ea0a114642167fd0579b..a3a2506482fa2baeaa7bc92674223d084f708086 100644 (file)
--- a/flood.c
+++ b/flood.c
@@ -205,7 +205,7 @@ static game_params *custom_params(const config_item *cfg)
     return ret;
 }
 
-static char *validate_params(const game_params *params, int full)
+static const char *validate_params(const game_params *params, int full)
 {
     if (params->w < 2 && params->h < 2)
         return "Grid must contain at least two squares";
@@ -589,7 +589,7 @@ static char *new_game_desc(const game_params *params, random_state *rs,
     return desc;
 }
 
-static char *validate_desc(const game_params *params, const char *desc)
+static const char *validate_desc(const game_params *params, const char *desc)
 {
     int w = params->w, h = params->h, wh = w*h;
     int i;
@@ -683,7 +683,7 @@ static void free_game(game_state *state)
 }
 
 static char *solve_game(const game_state *state, const game_state *currstate,
-                        const char *aux, char **error)
+                        const char *aux, const char **error)
 {
     int w = state->w, h = state->h, wh = w*h;
     char *moves, *ret, *p;