src/lmem.h

   1 /*
   2 ** $Id: lmem.h,v 1.8 1999/02/26 15:48:55 roberto Exp $
   3 ** Interface to Memory Manager
   4 ** See Copyright Notice in lua.h
   5 */
   6
   7 #ifndef lmem_h
   8 #define lmem_h
   9
  10
  11 #include <stdlib.h>
  12
  13 /* memory error messages */
  14 #define codeEM   "code size overflow"
  15 #define constantEM   "constant table overflow"
  16 #define refEM   "reference table overflow"
  17 #define tableEM  "table overflow"
  18 #define memEM "not enough memory"
  19 #define arrEM   "internal array bigger than `int' limit"
  20
  21 void *luaM_realloc (void *oldblock, unsigned long size);
  22 void *luaM_growaux (void *block, unsigned long nelems, int inc, int size,
  23                        char *errormsg, unsigned long limit);
  24
  25 #define luaM_free(b)    luaM_realloc((b), 0)
  26 #define luaM_malloc(t)  luaM_realloc(NULL, (t))
  27 #define luaM_new(t)          ((t *)luaM_malloc(sizeof(t)))
  28 #define luaM_newvector(n,t)  ((t *)luaM_malloc((n)*sizeof(t)))
  29 #define luaM_growvector(v,nelems,inc,t,e,l) \
  30           ((v)=(t *)luaM_growaux(v,nelems,inc,sizeof(t),e,l))
  31 #define luaM_reallocvector(v,n,t) ((v)=(t *)luaM_realloc(v,(n)*sizeof(t)))
  32
  33
  34 #ifdef DEBUG
  35 extern unsigned long numblocks;
  36 extern unsigned long totalmem;
  37 #endif
  38
  39
  40 #endif
  41