#include <system.h>
#include <quotearg.h>
#include <localcharset.h>
#include "common.h"
#ifdef HAVE_ICONV_H
# include <iconv.h>
#endif
#ifndef ICONV_CONST
# define ICONV_CONST
#endif
#ifndef HAVE_ICONV
# undef iconv_open
# define iconv_open(tocode, fromcode) ((iconv_t) -1)
# undef iconv
# define iconv(cd, inbuf, inbytesleft, outbuf, outbytesleft) ((size_t) 0)
# undef iconv_close
# define iconv_close(cd) 0
#endif
static iconv_t conv_desc[2] = { (iconv_t) -1, (iconv_t) -1 };
static iconv_t
utf8_init (bool to_utf)
{
if (conv_desc[(int) to_utf] == (iconv_t) -1)
{
if (to_utf)
conv_desc[(int) to_utf] = iconv_open ("UTF-8", locale_charset ());
else
conv_desc[(int) to_utf] = iconv_open (locale_charset (), "UTF-8");
}
return conv_desc[(int) to_utf];
}
bool
utf8_convert (bool to_utf, char const *input, char **output)
{
char ICONV_CONST *ib;
char *ob;
size_t inlen;
size_t outlen;
size_t rc;
iconv_t cd = utf8_init (to_utf);
if (cd == 0)
{
*output = xstrdup (input);
return true;
}
else if (cd == (iconv_t)-1)
return false;
inlen = strlen (input) + 1;
outlen = inlen * MB_LEN_MAX + 1;
ob = *output = xmalloc (outlen);
ib = (char ICONV_CONST *) input;
rc = iconv (cd, &ib, &inlen, &ob, &outlen);
*ob = 0;
return rc != -1;
}
bool
string_ascii_p (const char *str)
{
const unsigned char *p = (const unsigned char *)str;
for (; *p; p++)
if (*p > 127)
return false;
return true;
}