llvm-for-llvmta/tools/clang/docs/analyzer/checkers/unix_api_example.c

38 lines
780 B
C

// Currently the check is performed for apple targets only.
void test(const char *path) {
int fd = open(path, O_CREAT);
// warn: call to 'open' requires a third argument when the
// 'O_CREAT' flag is set
}
void f();
void test() {
pthread_once_t pred = {0x30B1BCBA, {0}};
pthread_once(&pred, f);
// warn: call to 'pthread_once' uses the local variable
}
void test() {
void *p = malloc(0); // warn: allocation size of 0 bytes
}
void test() {
void *p = calloc(0, 42); // warn: allocation size of 0 bytes
}
void test() {
void *p = malloc(1);
p = realloc(p, 0); // warn: allocation size of 0 bytes
}
void test() {
void *p = alloca(0); // warn: allocation size of 0 bytes
}
void test() {
void *p = valloc(0); // warn: allocation size of 0 bytes
}