nmem.h File Reference

Header for Nibble Memory functions. More...

#include <stddef.h>
#include <yaz/yconfig.h>

Go to the source code of this file.

Typedefs

typedef struct nmem_control * NMEM

NMEM handle (an opaque pointer to memory).

Functions

void nmem_reset (NMEM n)

releases memory associaged with an NMEM handle

int nmem_total (NMEM n)

returns size in bytes of memory for NMEM handle

char * nmem_strdup (NMEM mem, const char *src)

allocates string on NMEM handle (similar strdup)

char * nmem_strdup_null (NMEM mem, const char *src)

allocates string on NMEM handle - allows NULL ptr buffer

char * nmem_strdupn (NMEM mem, const char *src, size_t n)

allocates string of certain size on NMEM handle

void nmem_strsplit (NMEM nmem, const char *delim, const char *dstr, char ***darray, int *num)

allocates sub strings out of string using certain delimitors

void nmem_strsplit_blank (NMEM nmem, const char *dstr, char ***darray, int *num)

splits string into sub strings delimited by blanks

int * nmem_intdup (NMEM nmem, int v)

allocates integer for NMEM

void nmem_transfer (NMEM dst, NMEM src)

transfers memory from one NMEM handle to another

NMEM nmem_create (void)

returns new NMEM handle

void nmem_destroy (NMEM n)

destroys NMEM handle and memory associated with it

void * nmem_malloc (NMEM n, int size)

allocates memory block on NMEM handle

int yaz_errno (void)

void yaz_set_errno (int v)

void yaz_strerror (char *buf, int max)

Detailed Description

Header for Nibble Memory functions.

This is a simple and fairly wasteful little module for nibble memory allocation. Eventually we'll put in something better.

Definition in file nmem.h.

Typedef Documentation

typedef struct nmem_control* NMEM

NMEM handle (an opaque pointer to memory).

Definition at line 44 of file nmem.h.

Function Documentation

NMEM nmem_create ( void )

returns new NMEM handle

Returns:: NMEM handle

Definition at line 147 of file nmem.c.

References nmem_control::blocks, nmem_control::next, nmem_control::total, xmalloc, and yaz_log_module_level().

Referenced by bend_request_mk(), ccl_stop_words_create(), cql_parser_create(), cql_transform(), cql_transform_create(), odr_createmem(), odr_extract_mem(), yaz_marc_create(), and yaz_record_conv_create().

void nmem_destroy ( NMEM n )

destroys NMEM handle and memory associated with it

Parameters:

n

NMEM handle

Definition at line 165 of file nmem.c.

References nmem_reset(), and xfree.

Referenced by bend_request_destroy(), ccl_stop_words_destroy(), cql_parser_destroy(), cql_transform(), cql_transform_close(), ir_session(), odr_destroy(), yaz_marc_destroy(), and yaz_record_conv_destroy().

int* nmem_intdup	(	NMEM	nmem,
		int	v
	)

allocates integer for NMEM

Parameters:

	nmem	NMEM handle
	v	integer value

Returns:: pointer to created integer

Definition at line 41 of file nmemsdup.c.

References nmem_malloc().

Referenced by odr_intdup().

void* nmem_malloc	(	NMEM	n,
		int	size
	)

allocates memory block on NMEM handle

Parameters:

	n	NMEM handle
	size	number of bytes to be allocated

Returns:: pointer to allocated memory

Definition at line 118 of file nmem.c.

References nmem_control::blocks, nmem_block::buf, nmem_block::next, NMEM_ALIGN, nmem_block::size, nmem_block::top, nmem_control::total, yaz_log(), and YLOG_FATAL.

Referenced by cql_node_mk_boolean(), cql_node_mk_sc(), nmem_intdup(), nmem_strdup(), nmem_strdupn(), nmem_strsplit(), nmem_text_node_cdata(), odr_getoidbystr_nmem(), odr_malloc(), odr_oiddup_nmem(), save_referenceId(), yaz_get_proposal_charneg(), yaz_get_response_charneg(), yaz_marc_add_subfield(), yaz_marc_read_xml_subfields(), yaz_set_esn(), and yylex().

void nmem_reset ( NMEM n )

releases memory associaged with an NMEM handle

Parameters:

n

NMEM handle

Definition at line 102 of file nmem.c.

References nmem_control::blocks, nmem_block::next, nmem_control::total, and yaz_log().

Referenced by ccl_stop_words_tree(), cql_parser_stream(), nmem_destroy(), odr_reset(), and yaz_marc_reset().

char* nmem_strdup	(	NMEM	mem,
		const char *	src
	)

allocates string on NMEM handle (similar strdup)

Parameters:

	mem	HNEM handle
	src	string

Returns:: duplicated string

Definition at line 18 of file nmemsdup.c.

References nmem_malloc().

Referenced by cql_apply_prefix(), cql_node_dup(), cql_node_mk_boolean(), cql_node_mk_sc(), nmem_strdup_null(), odr_strdup(), yaz_get_proposal_charneg(), yaz_get_response_charneg(), yaz_marc_add_comment(), yaz_marc_add_controlfield(), yaz_marc_add_datafield(), yaz_set_esn(), and yyparse().

char* nmem_strdup_null	(	NMEM	mem,
		const char *	src
	)

allocates string on NMEM handle - allows NULL ptr buffer

Parameters:

	mem	HNEM handle
	src	string

Returns:: duplicated string or NULL if src was NULL

Definition at line 25 of file nmemsdup.c.

References nmem_strdup().

Referenced by odr_strdup_null().

char* nmem_strdupn	(	NMEM	mem,
		const char *	src,
		size_t	n
	)

allocates string of certain size on NMEM handle

Parameters:

	mem	NMEM handle
	src	string
	n	size of string

Returns:: duplicated string (0 terminated)

Definition at line 33 of file nmemsdup.c.

References nmem_malloc().

Referenced by nmem_strsplit(), odr_strdupn(), yaz_marc_add_controlfield(), yaz_marc_add_datafield(), yaz_marc_add_datafield_xml(), yaz_marc_add_leader(), and yaz_marc_add_subfield().

void nmem_strsplit	(	NMEM	nmem,
		const char *	delim,
		const char *	dstr,
		char ***	darray,
		int *	num
	)

allocates sub strings out of string using certain delimitors

Parameters:

	nmem	NMEM handle
	delim	delimitor chars (splits on each char in there)
	dstr	string to be split
	darray	result string array for each sub string
	num	number of result strings

Definition at line 53 of file nmemsdup.c.

References nmem_malloc(), and nmem_strdupn().

Referenced by nmem_strsplit_blank(), and yaz_set_proposal_charneg_list().

void nmem_strsplit_blank	(	NMEM	nmem,
		const char *	dstr,
		char ***	darray,
		int *	num
	)

splits string into sub strings delimited by blanks

Parameters:

	nmem	NMEM handle
	dstr	string to be split
	darray	result string array for each sub string
	num	number of result strings

Definition at line 48 of file nmemsdup.c.

References nmem_strsplit().

int nmem_total ( NMEM n )

returns size in bytes of memory for NMEM handle

Returns:: number of bytes

Definition at line 142 of file nmem.c.

References nmem_control::total.

Referenced by odr_total().

void nmem_transfer	(	NMEM	dst,
		NMEM	src
	)

transfers memory from one NMEM handle to another

Parameters:

	src	source NMEM handle
	dst	destination NMEM handle

Definition at line 174 of file nmem.c.

References nmem_control::blocks, nmem_block::next, and nmem_control::total.

Referenced by yaz_copy_Z_Query(), and yaz_copy_z_RPNQuery().

int yaz_errno ( void )

Definition at line 187 of file nmem.c.

Referenced by iochan_event_loop(), tcpip_listen(), yaz_iconv(), and yaz_strerror().

void yaz_set_errno ( int v )

Definition at line 192 of file nmem.c.

void yaz_strerror	(	char *	buf,
		int	max
	)

Definition at line 197 of file nmem.c.

References yaz_errno(), and yaz_log_module_level().

Referenced by yaz_log().


Typedefs
typedef struct nmem_control *	NMEM
	NMEM handle (an opaque pointer to memory).
Functions
void	nmem_reset (NMEM n)
	releases memory associaged with an NMEM handle
int	nmem_total (NMEM n)
	returns size in bytes of memory for NMEM handle
char *	nmem_strdup (NMEM mem, const char *src)
	allocates string on NMEM handle (similar strdup)
char *	nmem_strdup_null (NMEM mem, const char *src)
	allocates string on NMEM handle - allows NULL ptr buffer
char *	nmem_strdupn (NMEM mem, const char *src, size_t n)
	allocates string of certain size on NMEM handle
void	nmem_strsplit (NMEM nmem, const char delim, const char dstr, char **darray, int num)
	allocates sub strings out of string using certain delimitors
void	nmem_strsplit_blank (NMEM nmem, const char dstr, char *darray, int num)
	splits string into sub strings delimited by blanks
int *	nmem_intdup (NMEM nmem, int v)
	allocates integer for NMEM
void	nmem_transfer (NMEM dst, NMEM src)
	transfers memory from one NMEM handle to another
NMEM	nmem_create (void)
	returns new NMEM handle
void	nmem_destroy (NMEM n)
	destroys NMEM handle and memory associated with it
void *	nmem_malloc (NMEM n, int size)
	allocates memory block on NMEM handle
int	yaz_errno (void)
void	yaz_set_errno (int v)
void	yaz_strerror (char *buf, int max)