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

[sgt-puzzles.git] / net.c

diff --git a/net.c b/net.c
index 2b8706d25146784638c2e06467ed3db7a7dbb4ca..20366a2b7a173d66d90ed27b0c3885b00af0f212 100644 (file)
--- a/net.c
+++ b/net.c
@@ -306,7 +306,7 @@ 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->width <= 0 || params->height <= 0)
        return "Width and height must both be greater than zero";
@@ -1591,7 +1591,7 @@ 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->width, h = params->height;
     int i;
@@ -1742,7 +1742,7 @@ 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)
 {
     unsigned char *tiles;
     char *ret;