1 /* Convert characters in input buffer using conversion descriptor to
3 Copyright (C) 1997, 1998 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
7 The GNU C Library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Library General Public License as
9 published by the Free Software Foundation; either version 2 of the
10 License, or (at your option) any later version.
12 The GNU C Library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Library General Public License for more details.
17 You should have received a copy of the GNU Library General Public
18 License along with the GNU C Library; see the file COPYING.LIB. If not,
19 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
25 #include <gconv_int.h>
31 iconv (iconv_t cd
, const char **inbuf
, size_t *inbytesleft
, char **outbuf
,
34 gconv_t gcd
= (gconv_t
) cd
;
35 char *outstart
= outbuf
? *outbuf
: NULL
;
39 if (inbuf
== NULL
|| *inbuf
== NULL
)
41 result
= __gconv (gcd
, NULL
, NULL
, outbuf
, outstart
+ *outbytesleft
,
46 const char *instart
= *inbuf
;
48 result
= __gconv (gcd
, inbuf
, *inbuf
+ *inbytesleft
, outbuf
,
49 *outbuf
+ *outbytesleft
, &converted
);
51 *inbytesleft
-= *inbuf
- instart
;
54 *outbytesleft
-= *outbuf
- outstart
;
58 case GCONV_ILLEGAL_DESCRIPTOR
:
60 converted
= (size_t) -1L;
63 case GCONV_ILLEGAL_INPUT
:
65 converted
= (size_t) -1L;
68 case GCONV_FULL_OUTPUT
:
70 converted
= (size_t) -1L;
73 case GCONV_INCOMPLETE_INPUT
:
75 converted
= (size_t) -1L;
78 case GCONV_EMPTY_INPUT
:
84 assert (!"Nothing like this should happen");