#define p_dupstr(p, len) xmemdupstr((p), (len))
#define p_realloc(pp, count) xrealloc((void*)(pp), sizeof(**(pp)) * (count))
+#define p_alloc_nr(x) (((x) + 16) * 3 / 2)
+
+#define p_allocgrow(pp, goalnb, allocnb) \
+ do { \
+ if ((goalnb) > *(allocnb)) { \
+ if (p_alloc_nr(*(allocnb)) < (goalnb)) { \
+ *(allocnb) = (goalnb); \
+ } else { \
+ *(allocnb) = p_alloc_nr(*(allocnb)); \
+ } \
+ p_realloc(pp, *(allocnb)); \
+ } \
+ } while (0)
+
#ifdef __GNUC__
# define p_delete(mem_pp) \
}
+#define DO_REFCNT(type, prefix) \
+ static inline type *prefix##_new(void) { \
+ type *res = prefix##_init(p_new(type, 1)); \
+ res->refcnt = 1; \
+ return res; \
+ } \
+ static inline type *prefix##_dup(type *t) { \
+ t->refcnt++; \
+ return t; \
+ } \
+ static inline void prefix##_delete(type **tp) { \
+ if (*tp) { \
+ if (--(*tp)->refcnt > 0) { \
+ *tp = NULL; \
+ } else { \
+ prefix##_wipe(*tp); \
+ p_delete(tp); \
+ } \
+ } \
+ }
+
#define DO_INIT(type, prefix) \
static inline type * prefix##_init(type *var) { \
p_clear(var, 1); \