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// RUN: %clangxx_msan -m64 -O0 %s -o %t && %t
// Check that strlen() and similar intercepted functions can be called on shadow
// memory.
#include <assert.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
const char *mem_to_shadow(const char *p) {
return (char *)((uintptr_t)p & ~0x400000000000ULL);
}
int main(void) {
const char *s = "abcdef";
assert(strlen(s) == 6);
assert(strlen(mem_to_shadow(s)) == 0);
char *t = new char[42];
t[41] = 0;
assert(strlen(mem_to_shadow(t)) == 41);
return 0;
}
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