src/lmem.h

   1 /*
   2 ** $Id: lmem.h,v 1.5 1997/12/17 20:48:58 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 #ifndef NULL
  12 #define NULL 0
  13 #endif
  14
  15
  16 /* memory error messages */
  17 #define codeEM   "code size overflow"
  18 #define constantEM   "constant table overflow"
  19 #define refEM   "reference table overflow"
  20 #define tableEM  "table overflow"
  21 #define memEM "not enough memory"
  22
  23 void *luaM_realloc (void *oldblock, unsigned long size);
  24 int luaM_growaux (void **block, unsigned long nelems, int size,
  25                        char *errormsg, unsigned long limit);
  26
  27 #define luaM_free(b)    luaM_realloc((b), 0)
  28 #define luaM_malloc(t)  luaM_realloc(NULL, (t))
  29 #define luaM_new(t)          ((t *)luaM_malloc(sizeof(t)))
  30 #define luaM_newvector(n,t)  ((t *)luaM_malloc((n)*sizeof(t)))
  31 #define luaM_growvector(old,n,t,e,l) \
  32           (luaM_growaux((void**)old,n,sizeof(t),e,l))
  33 #define luaM_reallocvector(v,n,t) ((t *)luaM_realloc(v,(n)*sizeof(t)))
  34
  35
  36 #ifdef DEBUG
  37 extern unsigned long numblocks;
  38 extern unsigned long totalmem;
  39 #endif
  40
  41
  42 #endif
  43