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/*-------------------------------------------------------------------------
*
* LATINn and MULE_INTERNAL
*
* Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* src/backend/utils/mb/conversion_procs/latin_and_mic/latin_and_mic.c
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "fmgr.h"
#include "mb/pg_wchar.h"
PG_MODULE_MAGIC;
PG_FUNCTION_INFO_V1(latin1_to_mic);
PG_FUNCTION_INFO_V1(mic_to_latin1);
PG_FUNCTION_INFO_V1(latin3_to_mic);
PG_FUNCTION_INFO_V1(mic_to_latin3);
PG_FUNCTION_INFO_V1(latin4_to_mic);
PG_FUNCTION_INFO_V1(mic_to_latin4);
/* ----------
* conv_proc(
* INTEGER, -- source encoding id
* INTEGER, -- destination encoding id
* CSTRING, -- source string (null terminated C string)
* CSTRING, -- destination string (null terminated C string)
* INTEGER, -- source string length
* BOOL -- if true, don't throw an error if conversion fails
* ) returns INTEGER;
*
* Returns the number of bytes successfully converted.
* ----------
*/
Datum
latin1_to_mic(PG_FUNCTION_ARGS)
{
unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
int len = PG_GETARG_INT32(4);
bool noError = PG_GETARG_BOOL(5);
int converted;
CHECK_ENCODING_CONVERSION_ARGS(PG_LATIN1, PG_MULE_INTERNAL);
converted = latin2mic(src, dest, len, LC_ISO8859_1, PG_LATIN1, noError);
PG_RETURN_INT32(converted);
}
Datum
mic_to_latin1(PG_FUNCTION_ARGS)
{
unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
int len = PG_GETARG_INT32(4);
bool noError = PG_GETARG_BOOL(5);
int converted;
CHECK_ENCODING_CONVERSION_ARGS(PG_MULE_INTERNAL, PG_LATIN1);
converted = mic2latin(src, dest, len, LC_ISO8859_1, PG_LATIN1, noError);
PG_RETURN_INT32(converted);
}
Datum
latin3_to_mic(PG_FUNCTION_ARGS)
{
unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
int len = PG_GETARG_INT32(4);
bool noError = PG_GETARG_BOOL(5);
int converted;
CHECK_ENCODING_CONVERSION_ARGS(PG_LATIN3, PG_MULE_INTERNAL);
converted = latin2mic(src, dest, len, LC_ISO8859_3, PG_LATIN3, noError);
PG_RETURN_INT32(converted);
}
Datum
mic_to_latin3(PG_FUNCTION_ARGS)
{
unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
int len = PG_GETARG_INT32(4);
bool noError = PG_GETARG_BOOL(5);
int converted;
CHECK_ENCODING_CONVERSION_ARGS(PG_MULE_INTERNAL, PG_LATIN3);
converted = mic2latin(src, dest, len, LC_ISO8859_3, PG_LATIN3, noError);
PG_RETURN_INT32(converted);
}
Datum
latin4_to_mic(PG_FUNCTION_ARGS)
{
unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
int len = PG_GETARG_INT32(4);
bool noError = PG_GETARG_BOOL(5);
int converted;
CHECK_ENCODING_CONVERSION_ARGS(PG_LATIN4, PG_MULE_INTERNAL);
converted = latin2mic(src, dest, len, LC_ISO8859_4, PG_LATIN4, noError);
PG_RETURN_INT32(converted);
}
Datum
mic_to_latin4(PG_FUNCTION_ARGS)
{
unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
int len = PG_GETARG_INT32(4);
bool noError = PG_GETARG_BOOL(5);
int converted;
CHECK_ENCODING_CONVERSION_ARGS(PG_MULE_INTERNAL, PG_LATIN4);
converted = mic2latin(src, dest, len, LC_ISO8859_4, PG_LATIN4, noError);
PG_RETURN_INT32(converted);
}
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