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Full Discussion: about iconv
Top Forums Programming about iconv Post 101861 by yong on Monday 13th of March 2006 07:58:07 PM
Old 03-13-2006
about iconv
I want to use iconv.h to convert some text to another charset.

The code is below:

Code:
#include <stdio.h>
#include <stdlib.h>
#include <iconv.h>

int main()
{
        iconv_t cd;
        char instr[]="汉字";
        char *inbuf;
        char *outbuf;
        unsigned int insize=7;
        unsigned int avail=10;
        unsigned int nconv;

        inbuf=instr;
        outbuf=malloc(10);

        cd=iconv_open("gbk","utf-8");
        if(cd==(iconv_t)-1)
        {
                printf("fail.\n");
        }
        nconv=iconv(cd,&inbuf,&insize,&outbuf,&avail);

        outbuf[5]='\0';
        printf("%s\n",outbuf);
        printf("nconv is: %d",nconv);

        return 0;
}

But after all things is done the buffer area "outbuf" is still empty.It
doesn't output anything.Could someone give me some help?

Thanks.
 

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LEARN ABOUT FREEBSD

iconv

ICONV(1)						    BSD General Commands Manual 						  ICONV(1)

NAME

     iconv -- codeset conversion utility

SYNOPSIS

     iconv [-cs] -f from_name -t to_name [file ...]
     iconv -f from_name [-cs] [-t to_name] [file ...]
     iconv -t to_name [-cs] [-f from_name] [file ...]
     iconv -l

DESCRIPTION

     The iconv utility converts the codeset of file (or from standard input if no file is specified) from codeset from_name to codeset to_name and
     outputs the converted text on standard output.

     The following options are available:

     -c    Prevent output of any invalid characters.  By default, iconv outputs an ``invalid character'' specified by the to_name codeset when it
	   encounts a character which is valid in the from_name codeset but does not have a corresponding character in the to_name codeset.

     -f    Specifies the source codeset name as from_name.

     -l    Lists available codeset names.  Note that not all combinations of from_name and to_name are valid.

     -s    Silent.  By default, iconv outputs the number of ``invalid characters'' to standard error if they exist.  This option prevents this be-
	   haviour.

     -t    Specifies the destination codeset name as to_name.

EXIT STATUS

     The iconv utility exits 0 on success, and >0 if an error occurs.

SEE ALSO

     mkcsmapper(1), mkesdb(1), iconv(3)

STANDARDS

     iconv conform to IEEE Std 1003.1-2008 (``POSIX.1'').

HISTORY

     iconv first appeared in NetBSD 2.0, and made its appearance in FreeBSD 9.0.

BSD
								 October 22, 2009							       BSD
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