kc3-lang/gnulib/lib/uniconv/u8-conv-to-enc.c

• Show log

  Commit

• Hash : ac5cf798
  Author :
  Date : 2007-10-07T17:23:24
  

  Change copyright notice from LGPLv2.0+ to LGPLv3+.
  

Download

• lib/uniconv/u8-conv-to-enc.c

• /* Conversion from UTF-8 to legacy encodings.
     Copyright (C) 2002, 2006-2007 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify it
     under the terms of the GNU Lesser General Public License as published
     by the Free Software Foundation; either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  
  /* Written by Bruno Haible <bruno@clisp.org>.  */
  
  #include <config.h>
  
  /* Specification.  */
  #include "uniconv.h"
  
  #include <errno.h>
  #include <stdlib.h>
  #include <string.h>
  
  #include "c-strcaseeq.h"
  #include "striconveha.h"
  #include "unistr.h"
  
  int
  u8_conv_to_encoding (const char *tocode,
  		     enum iconv_ilseq_handler handler,
  		     const uint8_t *src, size_t srclen,
  		     size_t *offsets,
  		     char **resultp, size_t *lengthp)
  {
    char *result;
  
    if (STRCASEEQ (tocode, "UTF-8", 'U','T','F','-','8',0,0,0,0))
      {
        /* Conversion from UTF-8 to UTF-8.  No need to go through iconv().  */
  #if CONFIG_UNICODE_SAFETY
        if (u8_check (src, srclen))
  	{
  	  errno = EILSEQ;
  	  return -1;
  	}
  #endif
  
        /* Memory allocation.  */
        if (*resultp != NULL && *lengthp >= srclen)
  	result = *resultp;
        else
  	{
  	  result = (char *) malloc (srclen);
  	  if (result == NULL)
  	    {
  	      errno = ENOMEM;
  	      return -1;
  	    }
  	}
  
        memcpy (result, (const char *) src, srclen);
        *resultp = result;
        *lengthp = srclen;
        return 0;
      }
    else
      return mem_iconveha ((const char *) src, srclen,
  			 "UTF-8", tocode,
  			 handler == iconveh_question_mark, handler,
  			 offsets, resultp, lengthp);
  }
  

Download