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Fix unused variable warnings from clang.

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If you enable -DSTRICT=ON in cmake and also build with clang, it
reports a couple of variables set but not otherwise used. One was
genuinely unused ('loop_found' in loop_deductions in Loopy); the other
is used by debug statements that are usually but not always compiled
out.
This commit is contained in:
Simon Tatham
2023-02-18 07:06:27 +00:00
parent 615a337e42
commit dbced097ac
2 changed files with 3 additions and 2 deletions
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2
lightup.c
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@ -416,6 +416,8 @@ static void debug_state(game_state *state)
int x, y;
char c = '?';
(void)c; /* placate -Wunused-but-set-variable if debug() does nothing */
for (y = 0; y < state->h; y++) {
for (x = 0; x < state->w; x++) {
c = '.';

3
loopy.c
View File

@ -2713,7 +2713,6 @@ static int loop_deductions(solver_state *sstate)
game_state *state = sstate->state;
grid *g = state->game_grid;
int shortest_chainlen = g->num_dots;
bool loop_found = false;
int dots_connected;
bool progress = false;
int i;
@ -2726,7 +2725,7 @@ static int loop_deductions(solver_state *sstate)
*/
for (i = 0; i < g->num_edges; i++) {
if (state->lines[i] == LINE_YES) {
loop_found |= merge_dots(sstate, i);
merge_dots(sstate, i);
edgecount++;
}
}