#ifndef LTM_COMMON
#define LTM_COMMON

#define LTM_RES(x)                                                             \
  {                                                                            \
    ltm_err res = x;                                                           \
    if (res != ltm_err_ok)                                                     \
      return res;                                                              \
  }

#define LTM_RES2(x, e)                                                         \
  {                                                                            \
    ltm_err res = x;                                                           \
    if (res != ltm_err_ok) {                                                   \
      e;                                                                       \
      return res;                                                              \
    }                                                                          \
  }

#define LTM_MIN(x, y) ((x) < (y) ? (x) : (y))
#define LTM_MAX(x, y) ((x) > (y) ? (x) : (y))

typedef enum ltm_err {
  ltm_err_ok = 0,
  ltm_err_invalid_template,
  ltm_err_failed_alloc,
  ltm_err_failed_io,
  ltm_err_not_found,
  ltm_err_wrong_block_type,
  ltm_err_done,
} ltm_err;

#endif