siconv.c File Reference

Implements simple ICONV. More...

#include <assert.h>
#include <errno.h>
#include <string.h>
#include <yaz/xmalloc.h>
#include "iconv-p.h"

Go to the source code of this file.

Data Structures
struct	yaz_iconv_struct

Functions
int	yaz_iconv_isbuiltin (yaz_iconv_t cd)
	tests whether conversion is handled by YAZ' iconv or system iconv More...
static int	prepare_encoders (yaz_iconv_t cd, const char *tocode)
static int	prepare_decoders (yaz_iconv_t cd, const char *tocode)
yaz_iconv_t	yaz_iconv_open (const char *tocode, const char *fromcode)
	just like iconv_open(3) More...
size_t	yaz_iconv (yaz_iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft)
	just like iconv(3) More...
int	yaz_iconv_error (yaz_iconv_t cd)
	returns last error - like errno for iconv(3) More...
int	yaz_iconv_close (yaz_iconv_t cd)
	just like iconv_close(3) More...
void	yaz_iconv_set_errno (yaz_iconv_t cd, int no)

Detailed Description

Implements simple ICONV.

This implements an interface similar to that of iconv and is used by YAZ to interface with iconv (if present). For systems where iconv is not present, this layer provides a few important conversions: UTF-8, MARC-8, Latin-1.

Definition in file siconv.c.

Function Documentation

prepare_decoders()

static int prepare_decoders ( yaz_iconv_t  cd, const char *  tocode  )

static

Definition at line 72 of file siconv.c.

References yaz_iconv_struct::decoder, yaz_advancegreek_decoder(), yaz_danmarc_decoder(), yaz_iso5426_decoder(), yaz_iso_5428_decoder(), yaz_iso_8859_1_decoder(), yaz_marc8_decoder(), yaz_ucs4_decoder(), yaz_utf8_decoder(), and yaz_wchar_decoder().

Referenced by yaz_iconv_open().

prepare_encoders()

static int prepare_encoders ( yaz_iconv_t  cd, const char *  tocode  )

static

Definition at line 51 of file siconv.c.

References yaz_iconv_struct::encoder, yaz_advancegreek_encoder(), yaz_danmarc_encoder(), yaz_iso_5428_encoder(), yaz_iso_8859_1_encoder(), yaz_marc8_encoder(), yaz_ucs4_encoder(), yaz_utf8_encoder(), and yaz_wchar_encoder().

Referenced by yaz_iconv_open().

yaz_iconv()

size_t yaz_iconv	(	yaz_iconv_t	cd,
		char **	inbuf,
		size_t *	inbytesleft,
		char **	outbuf,
		size_t *	outbytesleft
	)

just like iconv(3)

Definition at line 146 of file siconv.c.

References yaz_iconv_struct::decoder, yaz_iconv_struct::encoder, yaz_iconv_encoder_s::flush_handle, yaz_iconv_struct::init_flag, yaz_iconv_encoder_s::init_handle, yaz_iconv_decoder_s::init_handle, yaz_iconv_struct::my_errno, yaz_iconv_struct::no_read_x, yaz_iconv_decoder_s::read_handle, yaz_iconv_struct::unget_x, yaz_iconv_encoder_s::write_handle, yaz_errno(), YAZ_ICONV_E2BIG, YAZ_ICONV_EILSEQ, YAZ_ICONV_EINVAL, and YAZ_ICONV_UNKNOWN.

Referenced by cdata_one_character(), odr_iconv_string(), odr_reset(), wrbuf_iconv_reset(), and wrbuf_iconv_write2().

yaz_iconv_close()

int yaz_iconv_close

(

yaz_iconv_t

cd

)

just like iconv_close(3)

Definition at line 284 of file siconv.c.

References yaz_iconv_struct::decoder, yaz_iconv_decoder_s::destroy_handle, yaz_iconv_encoder_s::destroy_handle, yaz_iconv_struct::encoder, and xfree.

Referenced by construct_marc(), convert_marc(), odr_destroy(), odr_set_charset(), process_searchRequest(), return_marc_record(), return_opac_record(), return_string_record(), yaz_iconv_open(), yaz_record_conv_opac_record(), Z3950_send_search(), and ZOOM_connection_Z3950_send_scan().

yaz_iconv_error()

int yaz_iconv_error

(

yaz_iconv_t

cd

)

returns last error - like errno for iconv(3)

Definition at line 279 of file siconv.c.

References yaz_iconv_struct::my_errno.

Referenced by wrbuf_iconv_write2(), and yaz_write_marc8_generic().

yaz_iconv_isbuiltin()

int yaz_iconv_isbuiltin

(

yaz_iconv_t

cd

)

tests whether conversion is handled by YAZ' iconv or system iconv

Definition at line 45 of file siconv.c.

References yaz_iconv_struct::decoder, yaz_iconv_struct::encoder, yaz_iconv_decoder_s::read_handle, and yaz_iconv_encoder_s::write_handle.

yaz_iconv_open()

yaz_iconv_t yaz_iconv_open	(	const char *	tocode,
		const char *	fromcode
	)

just like iconv_open(3)

Definition at line 95 of file siconv.c.

References yaz_iconv_encoder_s::data, yaz_iconv_decoder_s::data, yaz_iconv_struct::decoder, yaz_iconv_decoder_s::destroy_handle, yaz_iconv_encoder_s::destroy_handle, yaz_iconv_struct::encoder, yaz_iconv_encoder_s::flush_handle, yaz_iconv_struct::init_flag, yaz_iconv_encoder_s::init_handle, yaz_iconv_decoder_s::init_handle, yaz_iconv_struct::my_errno, prepare_decoders(), prepare_encoders(), yaz_iconv_decoder_s::read_handle, yaz_iconv_encoder_s::write_handle, xmalloc, yaz_iconv_close(), and YAZ_ICONV_UNKNOWN.

Referenced by construct_marc(), convert_marc(), iconv_create_charset(), odr_set_charset(), process_searchRequest(), retrieve_fetch(), yaz_record_conv_opac_record(), Z3950_send_search(), and ZOOM_connection_Z3950_send_scan().

yaz_iconv_set_errno()

void yaz_iconv_set_errno	(	yaz_iconv_t	cd,
		int	no
	)

Definition at line 298 of file siconv.c.

References yaz_iconv_struct::my_errno.

Referenced by flush_combos(), flush_iso_8859_1(), init_utf8(), lookup_marc8(), read_advancegreek(), read_danmarc(), read_iso5426(), read_iso_5428_1984(), read_marc8(), read_UCS4(), read_UCS4LE(), read_useq(), read_utf8(), write1(), write_advancegreek(), write_iso_5428_1984(), write_iso_8859_1(), write_UCS4(), write_UCS4LE(), write_UTF8(), yaz_read_iso5426_comb(), yaz_read_marc8_comb(), yaz_write_marc8_2(), and yaz_write_marc8_page_chr().