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/* Taken from the Li18nux base test suite. */
#define _XOPEN_SOURCE 500
#include <errno.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <wchar.h>
#define WIDE_STR_LEN 32
int
main (int argc, char *argv[])
{
size_t i;
FILE *fp;
wchar_t *ret, wcs[WIDE_STR_LEN];
int result = 0;
const char il_str1[] = {0xe3, 0x81, '\0'};
const char il_str2[] = {'0', '\n', 'A', 'B', 0xe3, 0x81, 'E', '\0'};
char name1[] = "/tmp/tst-fgetws.out.XXXXXX";
char name2[] = "/tmp/tst-fgetws.out.XXXXXX";
int fd;
puts ("This program runs on de_DE.UTF-8 locale.");
if (setlocale (LC_ALL, "de_DE.UTF-8") == NULL)
{
fprintf (stderr, "Err: Cannot run on the de_DE.UTF-8 locale");
exit (EXIT_FAILURE);
}
/* Make a file `il_str1'. */
fd = mkstemp (name1);
if (fd == -1)
{
printf ("cannot open temp file: %m\n");
exit (EXIT_FAILURE);
}
if ((fp = fdopen (fd, "w")) == NULL)
{
printf ("Can't open %s.\n", argv[1]);
exit (EXIT_FAILURE);
}
fwrite (il_str1, sizeof (char), sizeof (il_str1), fp);
fclose (fp);
/* Make a file `il_str2'. */
fd = mkstemp (name2);
if (fd == -1)
{
printf ("cannot open temp file: %m\n");
exit (EXIT_FAILURE);
}
if ((fp = fdopen (fd, "w")) == NULL)
{
fprintf (stderr, "Can't open %s.\n", argv[1]);
exit (EXIT_FAILURE);
}
fwrite (il_str2, sizeof (char), sizeof (il_str2), fp);
fclose (fp);
/* Test for il_str1. */
if ((fp = fopen (name1, "r")) == NULL)
{
fprintf (stderr, "Can't open %s.\n", argv[1]);
exit (EXIT_FAILURE);
}
puts ("--");
puts ("Read a byte sequence which is invalid as a wide character string.");
puts (" bytes: 0xe3, 0x81, '\\0'");
errno = 0;
ret = fgetws (wcs, WIDE_STR_LEN, fp);
if (ret == NULL)
{
puts ("Return Value: NULL");
if (errno == EILSEQ)
puts ("errno = EILSEQ");
else
{
printf ("errno = %d\n", errno);
result = 1;
}
}
else
{
printf ("Return Value: %p\n", ret);
for (i = 0; i < wcslen (wcs) + 1; i++)
printf (" wcs[%zd] = %04x", i, (unsigned int)wcs[i]);
printf ("\n");
result = 1;
}
/* Test for il_str2. */
if ((fp = fopen (name2, "r")) == NULL)
{
fprintf (stderr, "Can't open %s.\n", argv[1]);
exit (EXIT_FAILURE);
}
puts ("--");
puts ("Read a byte sequence which is invalid as a wide character string.");
puts (" bytes: '0', '\\n', 'A', 'B', 0xe3, 0x81, 'c', '\\0'");
errno = 0;
ret = fgetws (wcs, WIDE_STR_LEN, fp);
if (ret == NULL)
{
puts ("Return Value: NULL");
if (errno == EILSEQ)
puts ("errno = EILSEQ");
else
printf ("errno = %d\n", errno);
result = 1;
}
else
{
size_t i;
printf ("Return Value: %p\n", ret);
for (i = 0; i < wcslen (wcs) + 1; i++)
printf (" wcs[%zd] = 0x%04x", i, (unsigned int)wcs[i]);
printf ("\n");
for (i = 0; il_str2[i] != '\n'; ++i)
if ((wchar_t) il_str2[i] != wcs[i])
{
puts ("read string not correct");
result = 1;
break;
}
if (il_str2[i] == '\n')
{
if (wcs[i] != L'\n')
{
puts ("newline missing");
result = 1;
}
else if (wcs[i + 1] != L'\0')
{
puts ("read string not NUL-terminated");
result = 1;
}
}
}
puts ("\nsecond line");
errno = 0;
ret = fgetws (wcs, WIDE_STR_LEN, fp);
if (ret == NULL)
{
puts ("Return Value: NULL");
if (errno == EILSEQ)
puts ("errno = EILSEQ");
else
{
printf ("errno = %d\n", errno);
result = 1;
}
}
else
{
printf ("Return Value: %p\n", ret);
for (i = 0; i < wcslen (wcs) + 1; i++)
printf (" wcs[%zd] = 0x%04x", i, (unsigned int)wcs[i]);
printf ("\n");
}
fclose (fp);
unlink (name1);
unlink (name2);
return result;
}
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