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-rw-r--r--common.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/common.h b/common.h
index a47837a..252cfa4 100644
--- a/common.h
+++ b/common.h
@@ -367,6 +367,12 @@ xbgrow_(void **p, size_t n)
#define xbgrow(p, n) xbgrow_((void **)(p), (n) * sizeof**(p))
#define xbpush(p, n, x) (xbgrow(p, (*(n) + 1)), (*(p))[(*(n))++] = (x))
#define xbfree(p) ((p) ? free(&xbcap_(p)) : (void)0)
+#define xbcap(p) ((p) ? xbcap_(p) / sizeof*(p) : 0)
+#define xbgrowz(p, n) do { \
+ size_t tmp = *(p) ? xbcap_(*(p)) : 0; \
+ xbgrow(p, n); \
+ memset((char*)*(p)+tmp, 0, xbcap_(*(p))-tmp); \
+} while (0)
struct arena *newarena(uint chunksiz);
void *alloc(struct arena **, uint siz, uint align);
@@ -431,6 +437,9 @@ int pmap_set_(struct pmapbase *, void **v, uint vsiz, const void *k);
#define pmap_get(m, k) (((m)->tmp = pmap_get_(&(m)->mb, k)) < 0 ? NULL : &(m)->v[(m)->tmp])
#define pmap_set(m, k, x) ((m)->tmp = pmap_set_(&(m)->mb, (void **)&(m)->v, sizeof*(m)->v, k), \
(m)->v[(m)->tmp] = (x))
+#define pmap_each(m,kx,pvx) \
+ for (int _i = 0; _i < (m)->mb.N && ((kx) = (m)->mb.k[_i], (pvx) = &(m)->v[_i], 1); ++_i) \
+ if (kx)
static inline bool
bstest(const struct bitset *bs, uint i)