netbsd/util.h

   1 #define RB_FOREACH(x, name, head)                                       \
   2         for ((x) = RB_MIN(name, head);                                  \
   3              (x) != NULL;                                               \
   4              (x) = name##_RB_NEXT(x))
   5
   6 #define RB_FOREACH_SAFE(x, name, head, y)                               \
   7         for ((x) = RB_MIN(name, head);                                  \
   8             ((x) != NULL) && ((y) = name##_RB_NEXT(x), 1);              \
   9              (x) = (y))
  10
  11 #define RB_FOREACH_REVERSE(x, name, head)                               \
  12         for ((x) = RB_MAX(name, head);                                  \
  13              (x) != NULL;                                               \
  14              (x) = name##_RB_PREV(x))
  15
  16 #define RB_FOREACH_REVERSE_SAFE(x, name, head, y)                       \
  17         for ((x) = RB_MAX(name, head);                                  \
  18             ((x) != NULL) && ((y) = name##_RB_PREV(x), 1);              \
  19              (x) = (y))
  20
  21
  22 #ifndef TAILQ_END
  23 #define TAILQ_END(head)                 NULL
  24 #endif
  25
  26 #ifndef TAILQ_FOREACH_SAFE
  27 #define TAILQ_FOREACH_SAFE(var, head, field, tvar)                      \
  28         for ((var) = TAILQ_FIRST(head);                                 \
  29             (var) != TAILQ_END(head) &&                                 \
  30             ((tvar) = TAILQ_NEXT(var, field), 1);                       \
  31             (var) = (tvar))
  32 #endif
  33
  34 #define FMT_SCALED_STRSIZE      7       /* minus sign, 4 digits, suffix, null byte */
  35 int             fmt_scaled(long long number, char *result);
  36 long long       strtonum(const char *, long long, long long, const char **);