include/iconv.h

   1 /* Copyright (C) 1997, 1998, 1999, 2000, 2003 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #ifndef _ICONV_H
  19 #define _ICONV_H        1
  20
  21 #include <features.h>
  22 #define __need_size_t
  23 #include <stddef.h>
  24
  25 #ifndef __UCLIBC_HAS_LOCALE__
  26 #error Attempted to include iconv.h when uClibc was built without locale support.
  27 #endif
  28
  29
  30 __BEGIN_DECLS
  31
  32 /* Identifier for conversion method from one codeset to another.  */
  33 typedef void *iconv_t;
  34
  35
  36 /* Allocate descriptor for code conversion from codeset FROMCODE to
  37    codeset TOCODE.
  38
  39    This function is a possible cancellation point and therefore not
  40    marked with __THROW.  */
  41 extern iconv_t iconv_open (const char *__tocode, const char *__fromcode);
  42
  43 /* Convert at most *INBYTESLEFT bytes from *INBUF according to the
  44    code conversion algorithm specified by CD and place up to
  45    *OUTBYTESLEFT bytes in buffer at *OUTBUF.  */
  46 extern size_t iconv (iconv_t __cd, char **__restrict __inbuf,
  47                      size_t *__restrict __inbytesleft,
  48                      char **__restrict __outbuf,
  49                      size_t *__restrict __outbytesleft);
  50
  51 /* Free resources allocated for descriptor CD for code conversion.
  52
  53    This function is a possible cancellation point and therefore not
  54    marked with __THROW.  */
  55 extern int iconv_close (iconv_t __cd);
  56
  57 __END_DECLS
  58
  59 #endif /* iconv.h */