/* Test case by Joseph S. Myers <jsm28@cam.ac.uk>.  */

#undef __USE_STRING_INLINES

#define __USE_STRING_INLINES

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <libc-diag.h>

char d[3] = "\0\1\2";

int

main (void)

{

  DIAG_PUSH_NEEDS_COMMENT;

#if __GNUC_PREREQ (8, 0)

  /* GCC 8 warns about strncat truncating output; this is deliberately

     tested here.  */

  DIAG_IGNORE_NEEDS_COMMENT (8, "-Wstringop-truncation");

#endif

  strncat (d, "\5\6", 1);

  DIAG_POP_NEEDS_COMMENT;

  if (d[0] != '\5')

    {

      puts ("d[0] != '\\5'");

      exit (1);

    }

  if (d[1] != '\0')

    {

      puts ("d[1] != '\\0'");

      exit (1);

    }

  if (d[2] != '\2')

    {

      puts ("d[2] != '\\2'");

      exit (1);

    }

  return 0;

}