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

[sgt-puzzles.git] / pegs.c

diff --git a/pegs.c b/pegs.c
index 35f6624a5cd0f865a4d6f84b578a91dfab9e13fb..565ba9417f111852936c210456c308ed2cdb5568 100644 (file)
--- a/pegs.c
+++ b/pegs.c
@@ -178,7 +178,7 @@ 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 (full && (params->w <= 3 || params->h <= 3))
        return "Width and height must both be greater than three";
@@ -656,7 +656,7 @@ static char *new_game_desc(const game_params *params, random_state *rs,
     return ret;
 }
 
-static char *validate_desc(const game_params *params, const char *desc)
+static const char *validate_desc(const game_params *params, const char *desc)
 {
     int len = params->w * params->h;
 
@@ -707,7 +707,7 @@ 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)
 {
     return NULL;
 }