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#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdarg.h>
#include <errno.h>
#include <iconv.h>
#ifdef HAVE_LANGINFO_H
#include <langinfo.h>
#endif
#include "system.h"
#include "poptint.h"
#define STD_VFPRINTF(stream, format, args, retval) \
va_start ((args), (format)); \
(retval) = vfprintf ((stream), (format), (args)); \
va_end ((args));
static char *
strdup_locale_from_utf8 (char *buffer)
{
char *codeset = NULL;
char *pout = NULL, *dest_str;
iconv_t fd;
int ib, ob, dest_size;
int done, is_error;
size_t err, used;
if (!buffer)
return NULL;
#ifdef HAVE_LANGINFO_H
codeset = nl_langinfo (CODESET);
#endif
if (codeset &&
strcmp (codeset, "UTF-8") &&
(fd = iconv_open (codeset, "UTF-8")) != (iconv_t)-1) {
char *pin = buffer;
char *shift_pin = NULL;
iconv (fd, NULL, (size_t*)&ib, &pout, (size_t*)&ob);
ib = strlen (buffer);
dest_size = ob = ib;
dest_str = pout = malloc ((dest_size + 1) * sizeof (char));
done = is_error = 0;
while (!done && !is_error) {
err = iconv (fd, (const char**)&pin, (size_t*)&ib, &pout, (size_t*)&ob);
if (err == (size_t)-1) {
switch (errno) {
case EINVAL:
done = 1;
break;
case E2BIG:
used = pout - dest_str;
dest_size *= 2;
dest_str = realloc (dest_str, (dest_size + 1) * sizeof (char));
pout = dest_str + used;
ob = dest_size - used;
break;
case EILSEQ:
is_error = 1;
break;
default:
is_error = 1;
break;
}
} else {
if (!shift_pin) {
shift_pin = pin;
pin = NULL;
ib = 0;
} else {
done = 1;
}
}
}
iconv_close (fd);
*pout = '\0';
dest_str = strdup (dest_str);
} else {
dest_str = strdup (buffer);
}
return dest_str;
}
static char *
strdup_vprintf (const char *format, va_list ap)
{
char *buffer = NULL;
char c;
buffer = calloc (sizeof (char), vsnprintf (&c, 1, format, ap) + 1);
vsprintf (buffer, format, ap);
return buffer;
}
char *
POPT_prev_char (const char *str)
{
char *p = (char*)str;
while (1) {
p--;
if ((*p & 0xc0) != 0x80)
return (char *)p;
}
}
int
POPT_fprintf (FILE* stream, const char *format, ...)
{
int retval = 0;
va_list args;
char *buffer = NULL;
char *locale_str = NULL;
va_start (args, format);
buffer = strdup_vprintf (format, args);
va_end (args);
locale_str = strdup_locale_from_utf8 (buffer);
if (locale_str) {
retval = fprintf (stream, "%s", locale_str);
free (locale_str);
} else {
fprintf (stderr, POPT_WARNING "%s\n", "Invalid UTF-8");
retval = fprintf (stream, "%s", buffer);
}
free (buffer);
return retval;
}
#undef STD_VFPRINTF
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