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[Precogs Alert] Buffer Overflow detected (CWE-119, Risk: High) #2

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[Precogs Alert] Buffer Overflow detected (CWE-119, Risk: High) #2

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104 changes: 53 additions & 51 deletions Project_Snake_Game/snake-game.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -124,57 +124,59 @@ void Input() {
}
// logic how snake should grow in size and when game stops
void Logic() {

int prevx = tx[0];
int prevy = ty[0];
int prev2x, prev2y;
tx[0] = x;
ty[0] = y;
for (int i = 1; i < nt; i++) {
prev2x = tx[i];
prev2y = ty[i];
tx[i] = prevx;
ty[i] = prevy;
prevx = prev2x;
prevy = prev2y;
}



switch (dir)
{
case UP:
y--;
break;
case DOWN:
y++;
break;
case LEFT:
x--;
break;
case RIGHT:
x++;
break;

default:
break;
}
if (x >= width) x = 0; else if (x < 0) x = width - 1;
if (y >= height) y = 0; else if (y < 0) y = height - 1;

for (int i = 0; i < nt; i++) {
if (tx[i] == x && ty[i] == y) {
lostgame();
}

}

if (x == fx && y == fy) {
score += 1;
nt++;
fx = rand() % width;
fy = rand() % height;
}
if (nt > MAX_SIZE) { // Ensure nt does not exceed the array bounds
lostgame();
return;
}

int prevx = tx[0];
int prevy = ty[0];
int prev2x, prev2y;
tx[0] = x;
ty[0] = y;
for (int i = 1; i < nt; i++) {
prev2x = tx[i];
prev2y = ty[i];
tx[i] = prevx;
ty[i] = prevy;
prevx = prev2x;
prevy = prev2y;
}

switch (dir)
{
case UP:
y--;
break;
case DOWN:
y++;
break;
case LEFT:
x--;
break;
case RIGHT:
x++;
break;

default:
break;
}
if (x >= width) x = 0; else if (x < 0) x = width - 1;
if (y >= height) y = 0; else if (y < 0) y = height - 1;

for (int i = 0; i < nt; i++) {
if (tx[i] == x && ty[i] == y) {
lostgame();
}

}

if (x == fx && y == fy) {
score += 1;
nt++;
fx = rand() % width;
fy = rand() % height;
}
}
//condition when a player wins
void win() {
Expand Down