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Diffstat (limited to 'libio/tst-freopen.c')
-rw-r--r-- | libio/tst-freopen.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/libio/tst-freopen.c b/libio/tst-freopen.c deleted file mode 100644 index 5ad589bffa..0000000000 --- a/libio/tst-freopen.c +++ /dev/null @@ -1,112 +0,0 @@ -/* Test freopen with mmap stdio. - Copyright (C) 2002-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek <jakub@redhat.com>, 2002. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include <support/check.h> -#include <support/temp_file.h> - -static int fd; -static char *name; - -static void -do_prepare (int argc, char *argv[]) -{ - fd = create_temp_file ("tst-freopen.", &name); - TEST_VERIFY_EXIT (fd != -1); -} - -#define PREPARE do_prepare - -/* Basic tests for freopen. */ -static void -do_test_basic (void) -{ - const char * const test = "Let's test freopen.\n"; - char temp[strlen (test) + 1]; - - FILE *f = fdopen (fd, "w"); - if (f == NULL) - FAIL_EXIT1 ("fdopen: %m"); - - fputs (test, f); - fclose (f); - - f = fopen (name, "r"); - if (f == NULL) - FAIL_EXIT1 ("fopen: %m"); - - if (fread (temp, 1, strlen (test), f) != strlen (test)) - FAIL_EXIT1 ("fread: %m"); - temp [strlen (test)] = '\0'; - - if (strcmp (test, temp)) - FAIL_EXIT1 ("read different string than was written: (%s, %s)", - test, temp); - - f = freopen (name, "r+", f); - if (f == NULL) - FAIL_EXIT1 ("freopen: %m"); - - if (fseek (f, 0, SEEK_SET) != 0) - FAIL_EXIT1 ("fseek: %m"); - - if (fread (temp, 1, strlen (test), f) != strlen (test)) - FAIL_EXIT1 ("fread: %m"); - temp [strlen (test)] = '\0'; - - if (strcmp (test, temp)) - FAIL_EXIT1 ("read different string than was written: (%s, %s)", - test, temp); - - fclose (f); -} - -/* Test for BZ#21398, where it tries to freopen stdio after the close - of its file descriptor. */ -static void -do_test_bz21398 (void) -{ - (void) close (STDIN_FILENO); - - FILE *f = freopen (name, "r", stdin); - if (f == NULL) - FAIL_EXIT1 ("freopen: %m"); - - TEST_VERIFY_EXIT (ferror (f) == 0); - - char buf[128]; - char *ret = fgets (buf, sizeof (buf), stdin); - TEST_VERIFY_EXIT (ret != NULL); - TEST_VERIFY_EXIT (ferror (f) == 0); -} - -static int -do_test (void) -{ - do_test_basic (); - do_test_bz21398 (); - - return 0; -} - -#include <support/test-driver.c> |