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

They're never dynamically allocated, and are almost always string
literals, so const is more appropriate.
This commit is contained in:
Simon Tatham
2017-10-01 13:53:24 +01:00
parent de67801b0f
commit b3243d7504
52 changed files with 266 additions and 231 deletions

View File

@ -795,7 +795,7 @@ 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 < 3 || params->h < 3)
return "Width and height must be at least 3";
@ -1989,7 +1989,7 @@ generated:
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 i, wh = params->w * params->h;
@ -2573,7 +2573,7 @@ badmove:
}
static char *solve_game(const game_state *state, const game_state *currstate,
const char *aux, char **error)
const char *aux, const char **error)
{
char *ret;
game_state *solved;