vec.h

   1 #define VEC_STRUCT(typename,inttype) \
   2 struct typename { \
   3         inttype *buf; \
   4         size_t len, alen; \
   5 }
   6 VEC_STRUCT(vec_basestruct,void) ;
   7
   8 #define VEC_INIT(ctl) memset(&ctl,0,sizeof(ctl))
   9
  10 #define VEC_ELSIZE(ctl) (sizeof(*(ctl).buf))
  11
  12 void vec_add1(struct vec_basestruct *ctl,size_t sz);
  13 #define VEC_ADD1(ctl) \
  14         vec_add1((struct vec_basestruct *)&(ctl),VEC_ELSIZE(ctl))
  15 #define VEC_ADD(ctl,val) { \
  16         VEC_ADD1(ctl); \
  17         (ctl).buf[(ctl).len - 1] = (val); \
  18 }
  19
  20 void vec_addn(struct vec_basestruct *ctl,size_t sz,size_t n);
  21 #define VEC_ADDN(ctl,n) \
  22         vec_addn((struct vec_basestruct *)&(ctl),VEC_ELSIZE(ctl),(n))
  23
  24 #define VEC_REMOVEN(ctl,n,m) { \
  25         (ctl).len -= m; \
  26         memmove( \
  27                 &(ctl).buf[(n)], \
  28                 &(ctl).buf[(n + m)], \
  29                 ((ctl).len - (n)) * VEC_ELSIZE(ctl)); \
  30 }
  31 #define VEC_REMOVE(ctl,n) VEC_REMOVEN(ctl,n,1)
  32
  33 #define VEC_INSERT1(ctl,n) { \
  34         VEC_ADD1(ctl); \
  35         memmove( \
  36                 &(ctl).buf[(n + 1)], \
  37                 &(ctl).buf[(n)], \
  38                 ((ctl).len - (n) - 1) * VEC_ELSIZE(ctl)); \
  39 }
  40 #define VEC_INSERT(ctl,n,val) { \
  41         VEC_INSERT1(ctl,n); \
  42         (ctl).buf[n] = (val); \
  43 }
  44
  45 #define VEC_INSERTN(ctl,n,m) { \
  46         VEC_ADDN(ctl,m); \
  47         memmove( \
  48                 &(ctl).buf[(n + m)], \
  49                 &(ctl).buf[(n)], \
  50                 ((ctl).len - (n) - (m)) * VEC_ELSIZE(ctl)); \
  51 }
  52
  53 #define VEC_ZERO(ctl) { \
  54         if ((ctl).buf) \
  55                 memset((ctl).buf,0,(ctl).len * VEC_ELSIZE(ctl)); \
  56 }
  57
  58 #define VEC_FREE(ctl) { \
  59         free((ctl).buf); \
  60         memset(&(ctl), 0, sizeof(ctl)); \
  61 }
  62
  63 #define VEC_LENGTH(ctl) ((ctl).len)
  64 #define VEC_BUF(ctl,num) ((ctl).buf[num])
  65
  66 #define VEC_FOR(ctl,it) for (size_t it = 0;it < VEC_LENGTH((ctl));++it)