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/*
* This file is part of the Green End SFTP Server.
* Copyright (C) 2007 Richard Kettlewell
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include "sftpcommon.h"
#include "utils.h"
#include "charset.h"
#include "alloc.h"
#include "debug.h"
#include <string.h>
#include <assert.h>
#include <errno.h>
#include <stdio.h>
wchar_t *sftp_mbs2wcs(const char *s) {
wchar_t *ws;
size_t len;
mbstate_t ps;
memset(&ps, 0, sizeof ps);
len = mbsrtowcs(0, &s, 0, &ps);
if(len == (size_t)-1)
return 0;
ws = xcalloc(len + 1, sizeof *ws);
memset(&ps, 0, sizeof ps);
mbsrtowcs(ws, &s, len, &ps);
return ws;
}
int sftp_iconv(struct allocator *a, iconv_t cd, char **sp) {
const char *const input = *sp;
const size_t inputsize = strlen(input);
size_t outputsize = 2 * strlen(input) + 1;
size_t rc;
const char *inbuf;
char *outbuf, *output;
size_t inbytesleft, outbytesleft;
assert(cd != 0);
do {
output = sftp_alloc(a, outputsize);
iconv(cd, 0, 0, 0, 0);
inbuf = input;
inbytesleft = inputsize;
outbuf = output;
outbytesleft = outputsize;
rc = iconv(cd, (void *)&inbuf, &inbytesleft, &outbuf, &outbytesleft);
outputsize *= 2;
} while(rc == (size_t)-1 && errno == E2BIG);
if(rc == (size_t)-1)
return -1;
*sp = output;
return 0;
}
/*
Local Variables:
c-basic-offset:2
comment-column:40
fill-column:79
indent-tabs-mode:nil
End:
*/
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