21 lines · cpp
1// RUN: %clangxx_asan -O0 %s -o %t && %run %t 2>&1 | FileCheck %s2// RUN: %clangxx_asan -O3 %s -o %t && %run %t 2>&1 | FileCheck %s3 4#ifndef _GNU_SOURCE5#define _GNU_SOURCE6#endif7 8#include <stdio.h>9#include <stdlib.h>10 11int main(int argc, char **argv) {12 char *p;13 int res = asprintf(&p, "%d", argc);14 fprintf(stderr, "x%d %sx\n", res, p);15 // CHECK: x1 1x16 free(p);17 fprintf(stderr, "DONE\n");18 // CHECK: DONE19 return 0;20}21