aboutsummaryrefslogtreecommitdiff
path: root/stdio-common/test_rdwr.c
diff options
context:
space:
mode:
Diffstat (limited to 'stdio-common/test_rdwr.c')
-rw-r--r--stdio-common/test_rdwr.c128
1 files changed, 0 insertions, 128 deletions
diff --git a/stdio-common/test_rdwr.c b/stdio-common/test_rdwr.c
deleted file mode 100644
index c7e0c4da06..0000000000
--- a/stdio-common/test_rdwr.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- 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 <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-
-int
-main (int argc, char **argv)
-{
- static const char hello[] = "Hello, world.\n";
- static const char replace[] = "Hewwo, world.\n";
- static const size_t replace_from = 2, replace_to = 4;
- char filename[FILENAME_MAX];
- char *name = strrchr (*argv, '/');
- char buf[BUFSIZ];
- FILE *f;
- int lose = 0;
-
- if (name != NULL)
- ++name;
- else
- name = *argv;
-
- (void) sprintf (filename, "/tmp/%s.test", name);
-
- f = fopen (filename, "w+");
- if (f == NULL)
- {
- perror (filename);
- exit (1);
- }
-
- (void) fputs (hello, f);
- rewind (f);
- (void) fgets (buf, sizeof (buf), f);
- rewind (f);
- (void) fputs (buf, f);
- rewind (f);
- {
- size_t i;
- for (i = 0; i < replace_from; ++i)
- {
- int c = getc (f);
- if (c == EOF)
- {
- printf ("EOF at %Zu.\n", i);
- lose = 1;
- break;
- }
- else if (c != hello[i])
- {
- printf ("Got '%c' instead of '%c' at %Zu.\n",
- (unsigned char) c, hello[i], i);
- lose = 1;
- break;
- }
- }
- }
-
- {
- long int where = ftell (f);
- if (where == (long int) replace_from)
- {
- size_t i;
- for (i = replace_from; i < replace_to; ++i)
- if (putc(replace[i], f) == EOF)
- {
- printf ("putc('%c') got %s at %Zu.\n",
- replace[i], strerror (errno), i);
- lose = 1;
- break;
- }
- }
- else if (where == -1L)
- {
- printf ("ftell got %s (should be at %Zu).\n",
- strerror (errno), replace_from);
- lose = 1;
- }
- else
- {
- printf ("ftell returns %lu; should be %Zu.\n", where, replace_from);
- lose = 1;
- }
- }
-
- if (!lose)
- {
- rewind (f);
- if (fgets (buf, sizeof (buf), f) == NULL)
- {
- printf ("fgets got %s.\n", strerror(errno));
- lose = 1;
- }
- else if (strcmp (buf, replace))
- {
- printf ("Read \"%s\" instead of \"%s\".\n", buf, replace);
- lose = 1;
- }
- }
-
- if (lose)
- printf ("Test FAILED! Losing file is \"%s\".\n", filename);
- else
- {
- (void) remove (filename);
- puts ("Test succeeded.");
- }
-
- return lose ? EXIT_FAILURE : EXIT_SUCCESS;
-}