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

@ -184,7 +184,7 @@ 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 < 1) return "Width must be at least one";
if (params->h < 1) return "Height must be at least one";
@ -1266,7 +1266,7 @@ static char *new_game_desc(const game_params *params, random_state *rs,
return sresize(description, j, char);
}
static char *validate_desc(const game_params *params, const char *desc)
static const char *validate_desc(const game_params *params, const char *desc)
{
const int sz = params->w * params->h;
const char m = '0' + max(max(params->w, params->h), 3);
@ -1338,7 +1338,7 @@ 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)
{
if (aux == NULL) {
const int w = state->shared->params.w;