| 1 | /*------------------------------------------------------------------------- |
| 2 | * |
| 3 | * ASCII and MULE_INTERNAL |
| 4 | * |
| 5 | * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group |
| 6 | * Portions Copyright (c) 1994, Regents of the University of California |
| 7 | * |
| 8 | * IDENTIFICATION |
| 9 | * src/backend/utils/mb/conversion_procs/ascii_and_mic/ascii_and_mic.c |
| 10 | * |
| 11 | *------------------------------------------------------------------------- |
| 12 | */ |
| 13 | |
| 14 | #include "postgres.h" |
| 15 | #include "fmgr.h" |
| 16 | #include "mb/pg_wchar.h" |
| 17 | |
| 18 | PG_MODULE_MAGIC; |
| 19 | |
| 20 | PG_FUNCTION_INFO_V1(ascii_to_mic); |
| 21 | PG_FUNCTION_INFO_V1(mic_to_ascii); |
| 22 | |
| 23 | /* ---------- |
| 24 | * conv_proc( |
| 25 | * INTEGER, -- source encoding id |
| 26 | * INTEGER, -- destination encoding id |
| 27 | * CSTRING, -- source string (null terminated C string) |
| 28 | * CSTRING, -- destination string (null terminated C string) |
| 29 | * INTEGER -- source string length |
| 30 | * ) returns VOID; |
| 31 | * ---------- |
| 32 | */ |
| 33 | |
| 34 | Datum |
| 35 | ascii_to_mic(PG_FUNCTION_ARGS) |
| 36 | { |
| 37 | unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2); |
| 38 | unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3); |
| 39 | int len = PG_GETARG_INT32(4); |
| 40 | |
| 41 | CHECK_ENCODING_CONVERSION_ARGS(PG_SQL_ASCII, PG_MULE_INTERNAL); |
| 42 | |
| 43 | pg_ascii2mic(src, dest, len); |
| 44 | |
| 45 | PG_RETURN_VOID(); |
| 46 | } |
| 47 | |
| 48 | Datum |
| 49 | mic_to_ascii(PG_FUNCTION_ARGS) |
| 50 | { |
| 51 | unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2); |
| 52 | unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3); |
| 53 | int len = PG_GETARG_INT32(4); |
| 54 | |
| 55 | CHECK_ENCODING_CONVERSION_ARGS(PG_MULE_INTERNAL, PG_SQL_ASCII); |
| 56 | |
| 57 | pg_mic2ascii(src, dest, len); |
| 58 | |
| 59 | PG_RETURN_VOID(); |
| 60 | } |
| 61 | |