src/src/store.h

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) University of Cambridge 1995 - 2009 */
   6 /* See the file NOTICE for conditions of use and distribution. */
   7
   8 /* Header for Exim's memory allocation functions */
   9
  10 #ifndef STORE_H
  11 #define STORE_H
  12
  13 /* Define symbols for identifying the store pools. */
  14
  15 enum { POOL_MAIN, POOL_PERM, POOL_SEARCH };
  16
  17 /* This variable (the one for the current pool) is set by store_get() to its
  18 yield, and by store_reset() to NULL. This allows string_cat() to optimize its
  19 store handling. */
  20
  21 extern void *store_last_get[3];
  22
  23 /* This variable contains the current store pool number. */
  24
  25 extern int store_pool;
  26
  27 /* Macros for calling the memory allocation routines with
  28 tracing information for debugging. */
  29
  30 #define store_extend(addr,old,new) \
  31   store_extend_3(addr, old, new, __FILE__, __LINE__)
  32
  33 #define store_free(addr)     store_free_3(addr, __FILE__, __LINE__)
  34 #define store_get(size)      store_get_3(size, __FILE__, __LINE__)
  35 #define store_get_perm(size) store_get_perm_3(size, __FILE__, __LINE__)
  36 #define store_malloc(size)   store_malloc_3(size, __FILE__, __LINE__)
  37 #define store_newblock(addr,newsize,datalen) \
  38                              store_newblock_3(addr, newsize, datalen, __FILE__, __LINE__)
  39 #define store_reset(addr)    store_reset_3(addr, __FILE__, __LINE__)
  40
  41
  42 /* The real functions */
  43
  44 /* The value of the 2nd arg is __FILE__ in every call, so give its correct type */
  45 extern BOOL    store_extend_3(void *, int, int, const char *, int);
  46 extern void    store_free_3(void *, const char *, int);
  47 extern void   *store_get_3(int, const char *, int);
  48 extern void   *store_get_perm_3(int, const char *, int);
  49 extern void   *store_malloc_3(int, const char *, int);
  50 extern void   *store_newblock_3(void *, int, int, const char *, int);
  51 extern void    store_reset_3(void *, const char *, int);
  52
  53 #endif  /* STORE_H */
  54
  55 /* End of store.h */