-/*
- * Copyright (c) 1995-2006, Index Data
+/* This file is part of the YAZ toolkit.
+ * Copyright (C) 1995-2011 Index Data.
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-/* $Id: nmem.h,v 1.22 2006-10-09 21:02:41 adam Exp $ */
/**
- * \file nmem.h
+ * \file
* \brief Header for Nibble Memory functions
*
* This is a simple and fairly wasteful little module for nibble memory
- * allocation. Evemtually we'll put in something better.
+ * allocation. Eventually we'll put in something better.
*/
#ifndef NMEM_H
#define NMEM_H
#include <stddef.h>
#include <yaz/yconfig.h>
-#if YAZ_HAVE_XML2
-#include <libxml/parser.h>
-#endif
+YAZ_BEGIN_CDECL
-#define NMEM_DEBUG 0
+/** \brief NMEM handle (an opaque pointer to memory) */
+typedef struct nmem_control *NMEM;
-#ifndef NMEM_DEBUG
-#define NMEM_DEBUG 0
+/** \brief Set to 1 if YAZ BER integer is 64-bit ; 0 otherwise */
+#ifndef NMEM_64
+#define NMEM_64 1
#endif
-YAZ_BEGIN_CDECL
+#if NMEM_64
-/** \brief NMEM/YAZ MUTEX opaque pointer */
-typedef struct nmem_mutex *NMEM_MUTEX;
-/** \brief create Mutex */
-YAZ_EXPORT void nmem_mutex_create(NMEM_MUTEX *);
-/** \brief enter critical section / AKA lock */
-YAZ_EXPORT void nmem_mutex_enter(NMEM_MUTEX);
-/** \brief leave critical section / AKA unlock */
-YAZ_EXPORT void nmem_mutex_leave(NMEM_MUTEX);
-/** \brief destroy MUTEX */
-YAZ_EXPORT void nmem_mutex_destroy(NMEM_MUTEX *);
+#ifdef _MSC_VER
+/* Visual Studio. 6.0 and later supports this */
+typedef __int64 nmem_int_t;
+#define NMEM_INT_PRINTF "%I64d"
+#else
+/* C99 */
+typedef long long int nmem_int_t;
+#define NMEM_INT_PRINTF "%lld"
+#endif
-/** \brief NMEM handle (an opaque pointer to memory) */
-typedef struct nmem_control *NMEM;
+#else
+/** \brief BER/utility integer (32-bit on most platforms) */
+typedef int nmem_int_t;
+/** \brief printf format for nmem_int_t type */
+#define NMEM_INT_PRINTF "%d"
+#endif
+
+/** \brief BER/utility boolean */
+typedef int nmem_bool_t;
-/** \brief release all memory associaged with an NMEM handle */
+/** \brief releases memory associaged with an NMEM handle
+ \param n NMEM handle
+*/
YAZ_EXPORT void nmem_reset(NMEM n);
-/** \brief returns size in bytes of memory for NMEM handle */
-YAZ_EXPORT int nmem_total(NMEM n);
-/** \brief allocates string on NMEM handle (similar strdup) */
-YAZ_EXPORT char *nmem_strdup (NMEM mem, const char *src);
-/** \brief allocates string on NMEM handle - allows NULL ptr buffer */
-YAZ_EXPORT char *nmem_strdup_null (NMEM mem, const char *src);
-/** \brief allocates string of certain size on NMEM handle */
-YAZ_EXPORT char *nmem_strdupn (NMEM mem, const char *src, size_t n);
+/** \brief returns size in bytes of memory for NMEM handle
+ \returns number of bytes
+ */
+YAZ_EXPORT size_t nmem_total(NMEM n);
+
+/** \brief allocates string on NMEM handle (similar strdup)
+ \param mem HNEM handle
+ \param src string
+ \returns duplicated string
+ */
+YAZ_EXPORT char *nmem_strdup(NMEM mem, const char *src);
+/** \brief allocates string on NMEM handle - allows NULL ptr buffer
+ \param mem HNEM handle
+ \param src string
+ \returns duplicated string or NULL if src was NULL
+ */
+YAZ_EXPORT char *nmem_strdup_null(NMEM mem, const char *src);
+
+/** \brief allocates string of certain size on NMEM handle
+ \param mem NMEM handle
+ \param src string
+ \param n size of string
+ \returns duplicated string (0 terminated)
+ */
+YAZ_EXPORT char *nmem_strdupn(NMEM mem, const char *src, size_t n);
/** \brief allocates sub strings out of string using certain delimitors
\param nmem NMEM handle
const char *dstr,
char ***darray, int *num);
+/** \brief allocates sub strings out of string using certain delimitors
+ \param nmem NMEM handle
+ \param delim delimitor chars (splits on each char in there)
+ \param dstr string to be split
+ \param darray result string array for each sub string
+ \param num number of result strings
+ \param collapse 1=collapse multiple delims to one; 0=no collapse
+*/
+YAZ_EXPORT void nmem_strsplitx(NMEM nmem, const char *delim,
+ const char *dstr,
+ char ***darray, int *num,
+ int collapse);
+
/** \brief splits string into sub strings delimited by blanks
\param nmem NMEM handle
\param dstr string to be split
YAZ_EXPORT void nmem_strsplit_blank(NMEM nmem, const char *dstr,
char ***darray, int *num);
-#if YAZ_HAVE_XML2
-/** \brief copies TEXT Libxml2 node data to NMEM */
-YAZ_EXPORT char *nmem_text_node_cdata(const xmlNode *ptr, NMEM nmem);
-#endif
-
-/** \brief creates and allocates integer for NMEM */
-YAZ_EXPORT int *nmem_intdup (NMEM mem, int v);
-
-/** \brief transfers memory from one NMEM handle to another */
-YAZ_EXPORT void nmem_transfer (NMEM dst, NMEM src);
-
-/** \brief internal (do not use) */
-YAZ_EXPORT void nmem_critical_enter (void);
-/** \brief internal (do not use) */
-YAZ_EXPORT void nmem_critical_leave (void);
-
-#if NMEM_DEBUG
-
-YAZ_EXPORT NMEM nmem_create_f(const char *file, int line);
-YAZ_EXPORT void nmem_destroy_f(const char *file, int line, NMEM n);
-YAZ_EXPORT void *nmem_malloc_f(const char *file, int line, NMEM n, int size);
-#define nmem_create() nmem_create_f(__FILE__, __LINE__)
-#define nmem_destroy(x) nmem_destroy_f(__FILE__, __LINE__, (x))
-#define nmem_malloc(x, y) nmem_malloc_f(__FILE__, __LINE__, (x), (y))
+/** \brief allocates and sets integer for NMEM
+ \param nmem NMEM handle
+ \param v integer value
+ \returns pointer to created integer
+*/
+YAZ_EXPORT nmem_int_t *nmem_intdup(NMEM nmem, nmem_int_t v);
-YAZ_EXPORT void nmem_print_list (void);
-YAZ_EXPORT void nmem_print_list_l (int level);
+/** \brief allocates and sets boolean for NMEM
+ \param nmem NMEM handle
+ \param v value (0=false, != 0 true)
+ \returns pointer to created boolean
+*/
+YAZ_EXPORT nmem_bool_t *nmem_booldup(NMEM nmem, nmem_bool_t v);
-#else
+/** \brief transfers memory from one NMEM handle to another
+ \param src source NMEM handle
+ \param dst destination NMEM handle
+ */
+YAZ_EXPORT void nmem_transfer(NMEM dst, NMEM src);
-/** \brief returns new NMEM handle */
+/** \brief returns new NMEM handle
+ \returns NMEM handle
+ */
YAZ_EXPORT NMEM nmem_create(void);
-/** \brief destroys NMEM handle and memory associated with it */
+/** \brief destroys NMEM handle and memory associated with it
+ \param n NMEM handle
+ */
YAZ_EXPORT void nmem_destroy(NMEM n);
-/** \brief allocate memory block on NMEM handle */
-YAZ_EXPORT void *nmem_malloc(NMEM n, int size);
-
-#define nmem_print_list()
-
-#endif
-
-/** \brief initializes NMEM system
- This function increments a usage counter for NMEM.. Only
- on first usage the system is initialized.. The \fn nmem_exit
- decrements the counter. So these must be called in pairs
-*/
-YAZ_EXPORT void nmem_init (void);
-
-/** \brief destroys NMEM system */
-YAZ_EXPORT void nmem_exit (void);
-
-YAZ_EXPORT int yaz_errno (void);
-YAZ_EXPORT void yaz_set_errno (int v);
-YAZ_EXPORT void yaz_strerror(char *buf, int max);
-
-/** \brief returns memory in use (by application)
- \param p pointer to size (in bytes)
- */
-YAZ_EXPORT void nmem_get_memory_in_use(size_t *p);
-/** \brief returns memory in free (for later reuse)
+/** \brief allocates memory block on NMEM handle
+ \param n NMEM handle
+ \param size number of bytes to be allocated
+ \returns pointer to allocated memory
*/
-YAZ_EXPORT void nmem_get_memory_free(size_t *p);
+YAZ_EXPORT void *nmem_malloc(NMEM n, size_t size);
YAZ_END_CDECL
/*
* Local variables:
* c-basic-offset: 4
+ * c-file-style: "Stroustrup"
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab
projects / yaz-moved-to-github.git / blobdiff