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) zzcalloc ((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 *zzcalloc (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 */ 97