unix_api_example.c

// Currently the check is performed for apple targets only.
voidtest(constchar*path) {
intfd=open(path, O_CREAT);
// warn: call to 'open' requires a third argument when the
// 'O_CREAT' flag is set
}

voidf();

voidtest() {
pthread_once_tpred= {0x30B1BCBA, {0}};
pthread_once(&pred, f);
// warn: call to 'pthread_once' uses the local variable
}

voidtest() {
void*p=malloc(0); // warn: allocation size of 0 bytes
}

voidtest() {
void*p=calloc(0, 42); // warn: allocation size of 0 bytes
}

voidtest() {
void*p=malloc(1);
p=realloc(p, 0); // warn: allocation size of 0 bytes
}

voidtest() {
void*p=alloca(0); // warn: allocation size of 0 bytes
}

voidtest() {
void*p=valloc(0); // warn: allocation size of 0 bytes
}