2 * Copyright (c) 1995-2004, Index Data.
4 * Permission to use, copy, modify, distribute, and sell this software and
5 * its documentation, in whole or in part, for any purpose, is hereby granted,
8 * 1. This copyright and permission notice appear in all copies of the
9 * software and its documentation. Notices of copyright or attribution
10 * which appear at the beginning of any file must remain unchanged.
12 * 2. The names of Index Data or the individual authors may not be used to
13 * endorse or promote products derived from this software without specific
14 * prior written permission.
16 * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
18 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
19 * IN NO EVENT SHALL INDEX DATA BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
20 * INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES
21 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR
22 * NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
23 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
26 * $Id: nmem.h,v 1.13 2004-10-15 00:18:59 adam Exp $
31 * \brief Header for Nibble Memory functions
33 * This is a simple and fairly wasteful little module for nibble memory
34 * allocation. Evemtually we'll put in something better.
38 #include <yaz/yconfig.h>
48 typedef struct nmem_block
50 char *buf; /* memory allocated in this block */
51 int size; /* size of buf */
52 int top; /* top of buffer */
53 struct nmem_block *next;
56 typedef struct nmem_control
60 struct nmem_control *next;
63 typedef struct nmem_mutex *NMEM_MUTEX;
64 YAZ_EXPORT void nmem_mutex_create(NMEM_MUTEX *);
65 YAZ_EXPORT void nmem_mutex_enter(NMEM_MUTEX);
66 YAZ_EXPORT void nmem_mutex_leave(NMEM_MUTEX);
67 YAZ_EXPORT void nmem_mutex_destroy(NMEM_MUTEX *);
69 typedef struct nmem_control *NMEM;
71 YAZ_EXPORT void nmem_reset(NMEM n);
72 YAZ_EXPORT int nmem_total(NMEM n);
73 YAZ_EXPORT char *nmem_strdup (NMEM mem, const char *src);
74 YAZ_EXPORT char *nmem_strdupn (NMEM mem, const char *src, size_t n);
75 YAZ_EXPORT int *nmem_intdup (NMEM mem, int v);
76 YAZ_EXPORT void nmem_transfer (NMEM dst, NMEM src);
78 YAZ_EXPORT void nmem_critical_enter (void);
79 YAZ_EXPORT void nmem_critical_leave (void);
83 YAZ_EXPORT NMEM nmem_create_f(const char *file, int line);
84 YAZ_EXPORT void nmem_destroy_f(const char *file, int line, NMEM n);
85 YAZ_EXPORT void *nmem_malloc_f(const char *file, int line, NMEM n, int size);
86 #define nmem_create() nmem_create_f(__FILE__, __LINE__)
87 #define nmem_destroy(x) nmem_destroy_f(__FILE__, __LINE__, (x))
88 #define nmem_malloc(x, y) nmem_malloc_f(__FILE__, __LINE__, (x), (y))
90 YAZ_EXPORT void nmem_print_list (void);
91 YAZ_EXPORT void nmem_print_list_l (int level);
95 YAZ_EXPORT NMEM nmem_create(void);
96 YAZ_EXPORT void nmem_destroy(NMEM n);
97 YAZ_EXPORT void *nmem_malloc(NMEM n, int size);
99 #define nmem_print_list()
103 YAZ_EXPORT void nmem_init (void);
104 YAZ_EXPORT void nmem_exit (void);
105 YAZ_EXPORT int yaz_errno (void);
106 YAZ_EXPORT void yaz_set_errno (int v);
107 YAZ_EXPORT void yaz_strerror(char *buf, int max);