[rustc.git] / src / compiler-rt / test / msan / memcmp_test.cc

// RUN: %clangxx_msan -O0 -g %s -o %t
// RUN: not %run %t 2>&1 | FileCheck %s
// RUN: MSAN_OPTIONS=intercept_memcmp=0 %run %t

#include <string.h>
#include <stdio.h>
int main(int argc, char **argv) {
  char a1[4];
  char a2[4];
  for (int i = 0; i < argc * 3; i++)
    a2[i] = a1[i] = i;
  int res = memcmp(a1, a2, 4);
  if (!res)
    printf("equals");
  return 0;
  // CHECK: Uninitialized bytes in __interceptor_memcmp at offset 3
  // CHECK: MemorySanitizer: use-of-uninitialized-value
}
Commit	Line	Data
92a42be0 SL	1	// RUN: %clangxx_msan -O0 -g %s -o %t
	2	// RUN: not %run %t 2>&1 \| FileCheck %s
	3	// RUN: MSAN_OPTIONS=intercept_memcmp=0 %run %t
	4
	5	#include <string.h>
5bcae85e	6	#include <stdio.h>
92a42be0 SL	7	int main(int argc, char **argv) {
	8	char a1[4];
	9	char a2[4];
	10	for (int i = 0; i < argc * 3; i++)
	11	a2[i] = a1[i] = i;
	12	int res = memcmp(a1, a2, 4);
5bcae85e SL	13	if (!res)
	14	printf("equals");
	15	return 0;
92a42be0 SL	16	// CHECK: Uninitialized bytes in __interceptor_memcmp at offset 3
	17	// CHECK: MemorySanitizer: use-of-uninitialized-value
	18	}