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0.99.22

    1: /* Memory management routine
    2:    Copyright (C) 1998 Kunihiro Ishiguro
    3: 
    4: This file is part of GNU Zebra.
    5: 
    6: GNU Zebra is free software; you can redistribute it and/or modify it
    7: under the terms of the GNU General Public License as published by the
    8: Free Software Foundation; either version 2, or (at your option) any
    9: later version.
   10: 
   11: GNU Zebra is distributed in the hope that it will be useful, but
   12: WITHOUT ANY WARRANTY; without even the implied warranty of
   13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   14: General Public License for more details.
   15: 
   16: You should have received a copy of the GNU General Public License
   17: along with GNU Zebra; see the file COPYING.  If not, write to the Free
   18: Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
   19: 02111-1307, USA.  */
   20: 
   21: #ifndef _ZEBRA_MEMORY_H
   22: #define _ZEBRA_MEMORY_H
   23: 
   24: #define array_size(ar) (sizeof(ar) / sizeof(ar[0]))
   25: 
   26: /* For pretty printing of memory allocate information. */
   27: struct memory_list
   28: {
   29:   int index;
   30:   const char *format;
   31: };
   32: 
   33: struct mlist {
   34:   struct memory_list *list;
   35:   const char *name;
   36: };
   37:  
   38: #include "lib/memtypes.h"
   39: 
   40: extern struct mlist mlists[];
   41: 
   42: /* #define MEMORY_LOG */
   43: #ifdef MEMORY_LOG
   44: #define XMALLOC(mtype, size) \
   45:   mtype_zmalloc (__FILE__, __LINE__, (mtype), (size))
   46: #define XCALLOC(mtype, size) \
   47:   mtype_zcalloc (__FILE__, __LINE__, (mtype), (size))
   48: #define XREALLOC(mtype, ptr, size)  \
   49:   mtype_zrealloc (__FILE__, __LINE__, (mtype), (ptr), (size))
   50: #define XFREE(mtype, ptr) \
   51:   do { \
   52:     mtype_zfree (__FILE__, __LINE__, (mtype), (ptr)); \
   53:     ptr = NULL; } \
   54:   while (0)
   55: #define XSTRDUP(mtype, str) \
   56:   mtype_zstrdup (__FILE__, __LINE__, (mtype), (str))
   57: #else
   58: #define XMALLOC(mtype, size)       zmalloc ((mtype), (size))
   59: #define XCALLOC(mtype, size)       zcalloc ((mtype), (size))
   60: #define XREALLOC(mtype, ptr, size) zrealloc ((mtype), (ptr), (size))
   61: #define XFREE(mtype, ptr)          do { \
   62:                                      zfree ((mtype), (ptr)); \
   63:                                      ptr = NULL; } \
   64:                                    while (0)
   65: #define XSTRDUP(mtype, str)        zstrdup ((mtype), (str))
   66: #endif /* MEMORY_LOG */
   67: 
   68: /* Prototypes of memory function. */
   69: extern void *zmalloc (int type, size_t size);
   70: extern void *zcalloc (int type, size_t size);
   71: extern void *zrealloc (int type, void *ptr, size_t size);
   72: extern void  zfree (int type, void *ptr);
   73: extern char *zstrdup (int type, const char *str);
   74: 
   75: extern void *mtype_zmalloc (const char *file, int line, int type, size_t size);
   76: 
   77: extern void *mtype_zcalloc (const char *file, int line, int type, size_t size);
   78: 
   79: extern void *mtype_zrealloc (const char *file, int line, int type, void *ptr,
   80: 		             size_t size);
   81: 
   82: extern void mtype_zfree (const char *file, int line, int type,
   83: 		         void *ptr);
   84: 
   85: extern char *mtype_zstrdup (const char *file, int line, int type,
   86: 		            const char *str);
   87: extern void memory_init (void);
   88: extern void log_memstats_stderr (const char *);
   89: 
   90: /* return number of allocations outstanding for the type */
   91: extern unsigned long mtype_stats_alloc (int);
   92: 
   93: /* Human friendly string for given byte count */
   94: #define MTYPE_MEMSTR_LEN 20
   95: extern const char *mtype_memstr (char *, size_t, unsigned long);
   96: #endif /* _ZEBRA_MEMORY_H */