1 /* basic fmemopen interface testing.
2 Copyright (C) 2014-2015 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
27 #include <sys/types.h>
29 static char *test_file;
32 do_prepare (int argc, char *argv[])
34 /* Construct the test file name based on ARGV[0], which will be
35 an absolute file name in the build directory. Don't touch the
36 source directory, which might be read-only. */
37 if (asprintf (&test_file, "%s.test", argv[0]) < 0)
39 puts ("asprintf failed\n");
47 const char blah[] = "BLAH";
54 /* setup the physical file, and use it */
55 if ((fp = fopen (test_file, "w+")) == NULL)
57 if (fwrite (blah, 1, strlen (blah), fp) != strlen (blah))
66 while ((ch = getc (fp)) != EOF)
71 printf ("\ncharacter %td: '%c' instead of '%c'\n",
95 /* Now, mmap the file into a buffer, and do that too */
96 if ((fd = open (test_file, O_RDONLY)) == -1)
98 printf ("open (%s, O_RDONLY) failed\n", test_file);
101 if (fstat (fd, &fs) == -1)
103 printf ("stat (%i)\n", fd);
107 if ((mmap_data = (char *) mmap (NULL, fs.st_size, PROT_READ,
108 MAP_SHARED, fd, 0)) == MAP_FAILED)
110 printf ("mmap (NULL, %zu, PROT_READ, MAP_SHARED, %i, 0) failed\n",
111 (size_t) fs.st_size, fd);
115 if ((fp = fmemopen (mmap_data, fs.st_size, "r")) == NULL)
117 printf ("fmemopen (%p, %zu) failed\n", mmap_data, (size_t) fs.st_size);
123 while ((ch = getc (fp)) != EOF)
128 printf ("%td character: '%c' instead of '%c'\n",
136 fputc ('\n', stdout);
145 printf ("fp: EOF\n");
155 munmap (mmap_data, fs.st_size);
163 #define PREPARE(argc, argv) do_prepare (argc, argv)
164 #define TEST_FUNCTION do_test ()
165 #include "../test-skeleton.c"