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

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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
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6
undead.c
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@ -191,7 +191,7 @@ 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 * params->h ) > 54) return "Grid is too big";
if (params->w < 3) return "Width must be at least 3";
@ -1436,7 +1436,7 @@ static game_state *new_game(midend *me, const game_params *params,
return state;
}
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;
int w = params->w, h = params->h;
@ -1489,7 +1489,7 @@ static char *validate_desc(const game_params *params, const char *desc)
}
static char *solve_game(const game_state *state_start, const game_state *currstate,
const char *aux, char **error)
const char *aux, const char **error)
{
int p;
int *old_guess;