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Viewing changes to src/backend/utils/mb/conversion_procs/ascii_and_mic/ascii_and_mic.c

  • Committer: alvherre
  • Date: 2005-12-16 21:24:52 UTC
  • Revision ID: svn-v4:db760fc0-0f08-0410-9d63-cc6633f64896:trunk:1
Initial import of the REL8_0_3 sources from the Pgsql CVS repository.

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src/backend/utils/mb/conversion_procs/ascii_and_mic/ascii_and_mic.c
 
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/*-------------------------------------------------------------------------
 
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 *
 
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 *        ASCII and MULE_INTERNAL
 
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 *
 
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 * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
 
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 * Portions Copyright (c) 1994, Regents of the University of California
 
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 *
 
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 * IDENTIFICATION
 
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 *        $PostgreSQL: pgsql/src/backend/utils/mb/conversion_procs/ascii_and_mic/ascii_and_mic.c,v 1.9 2004-12-31 22:01:45 pgsql Exp $
 
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 *
 
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 *-------------------------------------------------------------------------
 
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 */
 
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#include "postgres.h"
 
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#include "fmgr.h"
 
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#include "mb/pg_wchar.h"
 
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PG_FUNCTION_INFO_V1(ascii_to_mic);
 
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PG_FUNCTION_INFO_V1(mic_to_ascii);
 
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extern Datum ascii_to_mic(PG_FUNCTION_ARGS);
 
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extern Datum mic_to_ascii(PG_FUNCTION_ARGS);
 
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/* ----------
 
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 * conv_proc(
 
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 *              INTEGER,        -- source encoding id
 
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 *              INTEGER,        -- destination encoding id
 
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 *              CSTRING,        -- source string (null terminated C string)
 
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 *              CSTRING,        -- destination string (null terminated C string)
 
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 *              INTEGER         -- source string length
 
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 * ) returns VOID;
 
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 * ----------
 
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 */
 
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Datum
 
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ascii_to_mic(PG_FUNCTION_ARGS)
 
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{
 
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        unsigned char *src = PG_GETARG_CSTRING(2);
 
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        unsigned char *dest = PG_GETARG_CSTRING(3);
 
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        int                     len = PG_GETARG_INT32(4);
 
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        Assert(PG_GETARG_INT32(0) == PG_SQL_ASCII);
 
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        Assert(PG_GETARG_INT32(1) == PG_MULE_INTERNAL);
 
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        Assert(len >= 0);
 
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        pg_ascii2mic(src, dest, len);
 
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        PG_RETURN_VOID();
 
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}
 
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Datum
 
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mic_to_ascii(PG_FUNCTION_ARGS)
 
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{
 
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        unsigned char *src = PG_GETARG_CSTRING(2);
 
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        unsigned char *dest = PG_GETARG_CSTRING(3);
 
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        int                     len = PG_GETARG_INT32(4);
 
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        Assert(PG_GETARG_INT32(0) == PG_MULE_INTERNAL);
 
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        Assert(PG_GETARG_INT32(1) == PG_SQL_ASCII);
 
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        Assert(len >= 0);
 
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        pg_mic2ascii(src, dest, len);
 
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        PG_RETURN_VOID();
 
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}