1  #include <errno.h>
       2  #include <iconv.h>
       3  #include <stdio.h>
       4  #include <stdlib.h>
       5  #include <string.h>
       6  
       7  
       8  static int
       9  do_test (void)
      10  {
      11    iconv_t cd = iconv_open ("ISO-8859-1", "UNICODE");
      12    if (cd == (iconv_t) -1)
      13      {
      14        printf ("iconv_open failed: %m\n");
      15        exit (EXIT_FAILURE);
      16      }
      17  
      18    char instr[] = "a";
      19    char *inptr = instr;
      20    size_t inlen = strlen (instr);
      21    char buf[200];
      22    char *outptr = buf;
      23    size_t outlen = sizeof (outptr);
      24  
      25    errno = 0;
      26    size_t n = iconv (cd, &inptr, &inlen, &outptr, &outlen);
      27    if (n != (size_t) -1)
      28      {
      29        printf ("n (= %zu) != (size_t) -1\n", n);
      30        exit (EXIT_FAILURE);
      31      }
      32    if (errno != EINVAL)
      33      {
      34        printf ("errno = %m, not EINVAL\n");
      35        exit (EXIT_FAILURE);
      36      }
      37  
      38    iconv_close (cd);
      39  
      40    return 0;
      41  }
      42  
      43  #define TEST_FUNCTION do_test ()
      44  #include "../test-skeleton.c"