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glibc  2.9
Defines | Functions
tst-put-error.c File Reference
#include <errno.h>
#include <error.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "../test-skeleton.c"

Go to the source code of this file.

Defines

#define TEST_FUNCTION   do_test ()

Functions

static int do_test (void)

Define Documentation

#define TEST_FUNCTION   do_test ()

Definition at line 32 of file tst-put-error.c.


Function Documentation

static int do_test ( void  ) [static]

Definition at line 9 of file tst-put-error.c.

{
  char tmpl[] = "/tmp/tst-put-error.XXXXXX";
  int fd = mkstemp (tmpl);
  if (fd == -1)
    error (EXIT_FAILURE, errno, "cannot create temporary file");
  FILE *fp = fdopen (fd, "w");
  if (fp == NULL)
    error (EXIT_FAILURE, errno, "fdopen");
  setlinebuf (fp);
  close (fd);
  unlink (tmpl);
  int n = fprintf (fp, "hello world\n");
  printf ("fprintf = %d\n", n);
  if (n >= 0)
    error (EXIT_FAILURE, 0, "first fprintf succeeded");
  n = fprintf (fp, "hello world\n");
  printf ("fprintf = %d\n", n);
  if (n >= 0)
    error (EXIT_FAILURE, 0, "second fprintf succeeded");
  return 0;
}

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