158 lines
3.7 KiB
C
158 lines
3.7 KiB
C
/* Copyright (C) 2004-2013 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by GOTO Masanori <gotom@debian.or.jp>, 2004
|
|
|
|
The GNU C Library 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 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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 the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <iconv.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
|
|
#define SIZE 256 /* enough room for conversion */
|
|
#define SAMPLESTR "abc"
|
|
|
|
struct unalign
|
|
{
|
|
char str1[1];
|
|
char str2[SIZE];
|
|
};
|
|
|
|
struct convcode
|
|
{
|
|
const char *tocode;
|
|
const char *fromcode;
|
|
};
|
|
|
|
/* test builtin transformation */
|
|
struct convcode testcode[] = {
|
|
{"ASCII", "ASCII"},
|
|
{"UTF-8", "ASCII"},
|
|
{"UCS-2BE", "ASCII"},
|
|
{"UCS-2LE", "ASCII"},
|
|
{"UCS-4BE", "ASCII"},
|
|
{"UCS-4LE", "ASCII"},
|
|
};
|
|
|
|
int number = (int) sizeof (testcode) / sizeof (struct convcode);
|
|
|
|
int
|
|
convert (const char *tocode, const char *fromcode, char *inbufp,
|
|
size_t inbytesleft, char *outbufp, size_t outbytesleft)
|
|
{
|
|
iconv_t *ic;
|
|
size_t outbytes = outbytesleft;
|
|
int ret;
|
|
|
|
ic = iconv_open (tocode, fromcode);
|
|
if (ic == (iconv_t *) - 1)
|
|
{
|
|
printf ("iconv_open failed: from: %s, to: %s: %s",
|
|
fromcode, tocode, strerror (errno));
|
|
return -1;
|
|
}
|
|
|
|
while (inbytesleft > 0)
|
|
{
|
|
ret = iconv (ic, &inbufp, &inbytesleft, &outbufp, &outbytes);
|
|
if (ret == -1)
|
|
{
|
|
printf ("iconv failed: from: %s, to: %s: %s",
|
|
fromcode, tocode, strerror (errno));
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
ret = iconv_close (ic);
|
|
if (ret == -1)
|
|
{
|
|
printf ("iconv_close failed: from: %s, to: %s: %s",
|
|
fromcode, tocode, strerror (errno));
|
|
return -1;
|
|
}
|
|
|
|
return outbytesleft - outbytes;
|
|
}
|
|
|
|
|
|
int
|
|
test_unalign (struct convcode *codes, char *str, int len)
|
|
{
|
|
struct unalign *inbufp, *outbufp;
|
|
char *inbuf, *outbuf;
|
|
size_t inbytesleft, outbytesleft;
|
|
int retlen;
|
|
|
|
/* allocating unaligned buffer for both inbuf and outbuf */
|
|
inbufp = (struct unalign *) malloc (sizeof (struct unalign));
|
|
if (!inbufp)
|
|
{
|
|
printf ("no memory available\n");
|
|
exit (1);
|
|
}
|
|
inbuf = inbufp->str2;
|
|
|
|
outbufp = (struct unalign *) malloc (sizeof (struct unalign));
|
|
if (!outbufp)
|
|
{
|
|
printf ("no memory available\n");
|
|
exit (1);
|
|
}
|
|
outbuf = outbufp->str2;
|
|
|
|
/* first iconv phase */
|
|
memcpy (inbuf, str, len);
|
|
inbytesleft = len;
|
|
outbytesleft = sizeof (struct unalign);
|
|
retlen = convert (codes->tocode, codes->fromcode, inbuf, inbytesleft,
|
|
outbuf, outbytesleft);
|
|
if (retlen == -1) /* failed */
|
|
return 1;
|
|
|
|
/* second round trip iconv phase */
|
|
memcpy (inbuf, outbuf, retlen);
|
|
inbytesleft = retlen;
|
|
outbytesleft = sizeof (struct unalign);
|
|
retlen = convert (codes->fromcode, codes->tocode, inbuf, inbytesleft,
|
|
outbuf, outbytesleft);
|
|
if (retlen == -1) /* failed */
|
|
return 1;
|
|
|
|
free (inbufp);
|
|
free (outbufp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
int i;
|
|
int ret = 0;
|
|
|
|
for (i = 0; i < number; i++)
|
|
{
|
|
ret = test_unalign (&testcode[i], (char *) SAMPLESTR, sizeof (SAMPLESTR));
|
|
if (ret)
|
|
break;
|
|
printf ("iconv: %s <-> %s: ok\n",
|
|
testcode[i].fromcode, testcode[i].tocode);
|
|
}
|
|
printf ("Succeeded.\n");
|
|
|
|
return ret;
|
|
}
|