-rw-r--r-- 190 saferewrite-20210904/src/int32_positivemask/shift3/positive.c
#include <inttypes.h>

int32_t int32_negativemask(int32_t x)
{
  return x >> 31;
}

int32_t int32_positivemask(int32_t x)
{
  int32_t c = -x;
  c ^= x & c;
  return int32_negativemask(c);
}