euc_cn_and_mic.c File Reference

#include "postgres.h"
#include "fmgr.h"
#include "mb/pg_wchar.h"

Include dependency graph for euc_cn_and_mic.c:

Go to the source code of this file.

Functions
	PG_FUNCTION_INFO_V1 (euc_cn_to_mic)
	PG_FUNCTION_INFO_V1 (mic_to_euc_cn)
Datum	euc_cn_to_mic (PG_FUNCTION_ARGS)
Datum	mic_to_euc_cn (PG_FUNCTION_ARGS)
static void	euc_cn2mic (const unsigned char *euc, unsigned char *p, int len)
static void	mic2euc_cn (const unsigned char *mic, unsigned char *p, int len)
Variables
	PG_MODULE_MAGIC

---

Function Documentation

static void euc_cn2mic	(	const unsigned char *	euc,
		unsigned char *	p,
		int	len
	)			[static]

Definition at line 72 of file euc_cn_and_mic.c.

References IS_HIGHBIT_SET, PG_EUC_CN, and report_invalid_encoding().

Referenced by euc_cn_to_mic().

{
    int         c1;

    while (len > 0)
    {
        c1 = *euc;
        if (IS_HIGHBIT_SET(c1))
        {
            if (len < 2 || !IS_HIGHBIT_SET(euc[1]))
                report_invalid_encoding(PG_EUC_CN, (const char *) euc, len);
            *p++ = LC_GB2312_80;
            *p++ = c1;
            *p++ = euc[1];
            euc += 2;
            len -= 2;
        }
        else
        {                       /* should be ASCII */
            if (c1 == 0)
                report_invalid_encoding(PG_EUC_CN, (const char *) euc, len);
            *p++ = c1;
            euc++;
            len--;
        }
    }
    *p = '\0';
}

Datum euc_cn_to_mic

(

PG_FUNCTION_ARGS

)

Definition at line 41 of file euc_cn_and_mic.c.

References CHECK_ENCODING_CONVERSION_ARGS, euc_cn2mic(), PG_EUC_CN, PG_GETARG_CSTRING, PG_GETARG_INT32, PG_MULE_INTERNAL, and PG_RETURN_VOID.

{
    unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
    unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
    int         len = PG_GETARG_INT32(4);

    CHECK_ENCODING_CONVERSION_ARGS(PG_EUC_CN, PG_MULE_INTERNAL);

    euc_cn2mic(src, dest, len);

    PG_RETURN_VOID();
}

static void mic2euc_cn	(	const unsigned char *	mic,
		unsigned char *	p,
		int	len
	)			[static]

Definition at line 105 of file euc_cn_and_mic.c.

References IS_HIGHBIT_SET, LC_GB2312_80, PG_EUC_CN, PG_MULE_INTERNAL, report_invalid_encoding(), and report_untranslatable_char().

Referenced by mic_to_euc_cn().

{
    int         c1;

    while (len > 0)
    {
        c1 = *mic;
        if (IS_HIGHBIT_SET(c1))
        {
            if (c1 != LC_GB2312_80)
                report_untranslatable_char(PG_MULE_INTERNAL, PG_EUC_CN,
                                           (const char *) mic, len);
            if (len < 3 || !IS_HIGHBIT_SET(mic[1]) || !IS_HIGHBIT_SET(mic[2]))
                report_invalid_encoding(PG_MULE_INTERNAL,
                                        (const char *) mic, len);
            mic++;
            *p++ = *mic++;
            *p++ = *mic++;
            len -= 3;
        }
        else
        {                       /* should be ASCII */
            if (c1 == 0)
                report_invalid_encoding(PG_MULE_INTERNAL,
                                        (const char *) mic, len);
            *p++ = c1;
            mic++;
            len--;
        }
    }
    *p = '\0';
}

Datum mic_to_euc_cn

(

PG_FUNCTION_ARGS

)

Definition at line 55 of file euc_cn_and_mic.c.

References CHECK_ENCODING_CONVERSION_ARGS, mic2euc_cn(), PG_EUC_CN, PG_GETARG_CSTRING, PG_GETARG_INT32, PG_MULE_INTERNAL, and PG_RETURN_VOID.

{
    unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
    unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
    int         len = PG_GETARG_INT32(4);

    CHECK_ENCODING_CONVERSION_ARGS(PG_MULE_INTERNAL, PG_EUC_CN);

    mic2euc_cn(src, dest, len);

    PG_RETURN_VOID();
}

PG_FUNCTION_INFO_V1

(

euc_cn_to_mic

)

PG_FUNCTION_INFO_V1

(

mic_to_euc_cn

)

---

Variable Documentation

PG_MODULE_MAGIC

Definition at line 18 of file euc_cn_and_mic.c.