mirror of
https://github.com/github/codeql.git
synced 2026-03-06 15:49:08 +01:00
19 lines
348 B
C
19 lines
348 B
C
int main(int argc, char** argv) {
|
|
char buffer[20];
|
|
fgets(buffer, 20, stdin);
|
|
|
|
int num = atoi(buffer);
|
|
// BAD: may overflow if input is very large
|
|
int scaled = num + 1000;
|
|
|
|
// ...
|
|
|
|
int num2 = atoi(buffer);
|
|
int scaled2;
|
|
// GOOD: use a guard to prevent overflow
|
|
if (num2 < INT_MAX-1000)
|
|
scaled2 = num2 + 1000;
|
|
else
|
|
scaled2 = INT_MAX;
|
|
}
|