forked from OSchip/llvm-project
33 lines
677 B
C++
33 lines
677 B
C++
// RUN: %clangxx_asan -O0 %s -o %t && %t
|
|
// RUN: %clangxx_asan -O0 %s -DPOSITIVE -o %t && not %t 2>&1 | FileCheck %s
|
|
|
|
// Test the readv() interceptor.
|
|
|
|
#include <assert.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <sys/uio.h>
|
|
#include <time.h>
|
|
|
|
int main() {
|
|
char buf[2011];
|
|
struct iovec iov[2];
|
|
#ifdef POSITIVE
|
|
char * volatile buf_ = buf;
|
|
iov[0].iov_base = buf_ - 1;
|
|
#else
|
|
iov[0].iov_base = buf + 1;
|
|
#endif
|
|
iov[0].iov_len = 5;
|
|
iov[1].iov_base = buf + 10;
|
|
iov[1].iov_len = 2000;
|
|
int fd = open("/etc/hosts", O_RDONLY);
|
|
assert(fd > 0);
|
|
readv(fd, iov, 2);
|
|
// CHECK: WRITE of size 5 at
|
|
close(fd);
|
|
return 0;
|
|
}
|