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

@ -213,7 +213,7 @@ 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)
{
/*
* (At least at the time of writing this comment) The grid
@ -1212,7 +1212,7 @@ 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->w, h = params->h, W = w+1, H = h+1;
int area = W*H;
@ -1456,7 +1456,7 @@ static int check_completion(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)
{
int w = state->p.w, h = state->p.h;
signed char *soln;
@ -2189,7 +2189,8 @@ int main(int argc, char **argv)
{
game_params *p;
game_state *s;
char *id = NULL, *desc, *err;
char *id = NULL, *desc;
const char *err;
int grade = FALSE;
int ret, diff, really_verbose = FALSE;
struct solver_scratch *sc;