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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
palisade.c
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@ -155,7 +155,7 @@ static game_params *custom_params(const config_item *cfg)
* +---+ the dominos is horizontal or vertical. +---+---+
*/
static char *validate_params(const game_params *params, int full)
static const char *validate_params(const game_params *params, int full)
{
int w = params->w, h = params->h, k = params->k, wh = w * h;
@ -701,7 +701,7 @@ static char *new_game_desc(const game_params *params, random_state *rs,
return sresize(numbers, p - numbers, clue);
}
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, wh = w*h, squares = 0;
@ -782,7 +782,7 @@ 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)
{
int w = state->shared->params.w, h = state->shared->params.h, wh = w*h;
borderflag *move;