gen_allocdefs.h (1212B)
1 /* Public domain. */ 2 3 #ifndef GEN_ALLOC_DEFS_H 4 #define GEN_ALLOC_DEFS_H 5 6 #define GEN_ALLOC_ready(ta,type,field,len,a,i,n,x,base,ta_ready) \ 7 int ta_ready(register ta *x,register unsigned int n) \ 8 { register unsigned int i; \ 9 if (x->field) { \ 10 i = x->a; \ 11 if (n > i) { \ 12 x->a = base + n + (n >> 3); \ 13 if (alloc_re(&x->field,i * sizeof(type),x->a * sizeof(type))) return 1; \ 14 x->a = i; return 0; } \ 15 return 1; } \ 16 x->len = 0; \ 17 return !!(x->field = (type *) alloc((x->a = n) * sizeof(type))); } 18 19 #define GEN_ALLOC_readyplus(ta,type,field,len,a,i,n,x,base,ta_rplus) \ 20 int ta_rplus(register ta *x,register unsigned int n) \ 21 { register unsigned int i; \ 22 if (x->field) { \ 23 i = x->a; n += x->len; \ 24 if (n > i) { \ 25 x->a = base + n + (n >> 3); \ 26 if (alloc_re(&x->field,i * sizeof(type),x->a * sizeof(type))) return 1; \ 27 x->a = i; return 0; } \ 28 return 1; } \ 29 x->len = 0; \ 30 return !!(x->field = (type *) alloc((x->a = n) * sizeof(type))); } 31 32 #define GEN_ALLOC_append(ta,type,field,len,a,i,n,x,base,ta_rplus,ta_append) \ 33 int ta_append(register ta *x,register const type *i) \ 34 { if (!ta_rplus(x,1)) return 0; x->field[x->len++] = *i; return 1; } 35 36 #endif