llvm-project/compiler-rt/test/safestack/buffer-copy.c

26 lines
554 B
C

// RUN: %clang_safestack %s -o %t
// RUN: %run %t
#include "utils.h"
// Test that loads/stores work correctly for variables on the unsafe stack.
int main(int argc, char **argv)
{
int i;
char buffer[128];
// check that we can write to a buffer
for (i = 0; argv[0][i] && i < sizeof (buffer) - 1; ++i)
buffer[i] = argv[0][i];
buffer[i] = '\0';
break_optimization(buffer);
// check that we can read from a buffer
for (i = 0; argv[0][i] && i < sizeof (buffer) - 1; ++i)
if (buffer[i] != argv[0][i])
return 1;
return 0;
}