1 /* This file is part of the YAZ toolkit.
2 * Copyright (C) 1995-2010 Index Data.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of Index Data nor the names of its contributors
13 * may be used to endorse or promote products derived from this
14 * software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 * \brief Header for Nibble Memory functions
32 * This is a simple and fairly wasteful little module for nibble memory
33 * allocation. Eventually we'll put in something better.
39 #include <yaz/yconfig.h>
43 /** \brief NMEM handle (an opaque pointer to memory) */
44 typedef struct nmem_control *NMEM;
46 /** \brief Set to 1 if YAZ BER integer is 64-bit ; 0 otherwise */
54 /* Visual Studio. 6.0 and later supports this */
55 typedef __int64 nmem_int_t;
56 #define NMEM_INT_PRINTF "%I64d"
59 typedef long long int nmem_int_t;
60 #define NMEM_INT_PRINTF "%lld"
64 /** \brief BER/utility integer (32-bit on most platforms) */
65 typedef int nmem_int_t;
66 /** \brief printf format for nmem_int_t type */
67 #define NMEM_INT_PRINTF "%d"
70 /** \brief BER/utility boolean */
71 typedef int nmem_bool_t;
73 /** \brief releases memory associaged with an NMEM handle
76 YAZ_EXPORT void nmem_reset(NMEM n);
78 /** \brief returns size in bytes of memory for NMEM handle
79 \returns number of bytes
81 YAZ_EXPORT size_t nmem_total(NMEM n);
83 /** \brief allocates string on NMEM handle (similar strdup)
84 \param mem HNEM handle
86 \returns duplicated string
88 YAZ_EXPORT char *nmem_strdup(NMEM mem, const char *src);
89 /** \brief allocates string on NMEM handle - allows NULL ptr buffer
90 \param mem HNEM handle
92 \returns duplicated string or NULL if src was NULL
94 YAZ_EXPORT char *nmem_strdup_null(NMEM mem, const char *src);
96 /** \brief allocates string of certain size on NMEM handle
97 \param mem NMEM handle
99 \param n size of string
100 \returns duplicated string (0 terminated)
102 YAZ_EXPORT char *nmem_strdupn(NMEM mem, const char *src, size_t n);
104 /** \brief allocates sub strings out of string using certain delimitors
105 \param nmem NMEM handle
106 \param delim delimitor chars (splits on each char in there)
107 \param dstr string to be split
108 \param darray result string array for each sub string
109 \param num number of result strings
111 YAZ_EXPORT void nmem_strsplit(NMEM nmem, const char *delim,
113 char ***darray, int *num);
115 /** \brief splits string into sub strings delimited by blanks
116 \param nmem NMEM handle
117 \param dstr string to be split
118 \param darray result string array for each sub string
119 \param num number of result strings
121 YAZ_EXPORT void nmem_strsplit_blank(NMEM nmem, const char *dstr,
122 char ***darray, int *num);
124 /** \brief allocates and sets integer for NMEM
125 \param nmem NMEM handle
126 \param v integer value
127 \returns pointer to created integer
129 YAZ_EXPORT nmem_int_t *nmem_intdup(NMEM nmem, nmem_int_t v);
131 /** \brief allocates and sets boolean for NMEM
132 \param nmem NMEM handle
133 \param v value (0=false, != 0 true)
134 \returns pointer to created boolean
136 YAZ_EXPORT nmem_bool_t *nmem_booldup(NMEM nmem, nmem_bool_t v);
138 /** \brief transfers memory from one NMEM handle to another
139 \param src source NMEM handle
140 \param dst destination NMEM handle
142 YAZ_EXPORT void nmem_transfer(NMEM dst, NMEM src);
144 /** \brief returns new NMEM handle
147 YAZ_EXPORT NMEM nmem_create(void);
149 /** \brief destroys NMEM handle and memory associated with it
152 YAZ_EXPORT void nmem_destroy(NMEM n);
154 /** \brief allocates memory block on NMEM handle
156 \param size number of bytes to be allocated
157 \returns pointer to allocated memory
159 YAZ_EXPORT void *nmem_malloc(NMEM n, size_t size);
167 * c-file-style: "Stroustrup"
168 * indent-tabs-mode: nil
170 * vim: shiftwidth=4 tabstop=8 expandtab