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// Checks that the __sanitizer_on_print hook gets the exact same sanitizer
// report as what is printed to stderr.
//
// RUN: %clangxx %s -o %t
// RUN: %run %t %t-onprint.txt 2>%t-stderr.txt || true
// RUN: diff %t-onprint.txt %t-stderr.txt
#include <cassert>
#include <cstdio>
#include <cstdlib>
FILE *f;
volatile void *buf;
volatile char sink;
extern "C" void __sanitizer_on_print(const char *str) {
fprintf(f, "%s", str);
fflush(f);
}
int main(int argc, char *argv[]) {
assert(argc >= 2);
f = fopen(argv[1], "w");
// Use-after-free to trigger ASan/TSan reports.
void *ptr = malloc(1);
buf = ptr;
free(ptr);
sink = *static_cast<char *>(ptr);
return 0;
}
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