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

   1 // RUN: %clang_safestack %s -o %t
   2 // RUN: %run %t
   3
   4 #include "utils.h"
   5
   6 // Test that loads/stores work correctly for variables on the unsafe stack.
   7
   8 int main(int argc, char **argv)
   9 {
  10   int i;
  11   char buffer[128];
  12
  13   // check that we can write to a buffer
  14   for (i = 0; argv[0][i] && i < sizeof (buffer) - 1; ++i)
  15     buffer[i] = argv[0][i];
  16   buffer[i] = '\0';
  17
  18   break_optimization(buffer);
  19
  20   // check that we can read from a buffer
  21   for (i = 0; argv[0][i] && i < sizeof (buffer) - 1; ++i)
  22     if (buffer[i] != argv[0][i])
  23       return 1;
  24   return 0;
  25 }