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authorWaldemar Brodkorb <wbx@uclibc-ng.org>2016-06-08 21:49:04 +0200
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2016-06-08 21:49:04 +0200
commitbf70f6f1face8e36030544a74e5ea04903df16cb (patch)
tree5ac258f817f4993ef619d4e09db2164233c3f712 /test/mmap/tst-mmap-setvbuf.c
parent4fee9155f396cb2bcfe707f78aa4332837520f93 (diff)
test: add new mmap tests from glibc
Rename mmap2 test as this is a ARM specific test, only execute on ARM systems. Add more new tests from glibc.
Diffstat (limited to 'test/mmap/tst-mmap-setvbuf.c')
-rw-r--r--test/mmap/tst-mmap-setvbuf.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/test/mmap/tst-mmap-setvbuf.c b/test/mmap/tst-mmap-setvbuf.c
new file mode 100644
index 000000000..33d60b7bd
--- /dev/null
+++ b/test/mmap/tst-mmap-setvbuf.c
@@ -0,0 +1,81 @@
+/* Test setvbuf on readonly fopen (using mmap stdio).
+ Copyright (C) 2002-2016 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>
+
+int main (void)
+{
+ char name[] = "/tmp/tst-mmap-setvbuf.XXXXXX";
+ char buf[4096];
+ const char * const test = "Let's see if mmap stdio works with setvbuf.\n";
+ char temp[strlen (test) + 1];
+ int fd = mkstemp (name);
+ FILE *f;
+
+ if (fd == -1)
+ {
+ printf ("%u: cannot open temporary file: %m\n", __LINE__);
+ exit (1);
+ }
+
+ f = fdopen (fd, "w");
+ if (f == NULL)
+ {
+ printf ("%u: cannot fdopen temporary file: %m\n", __LINE__);
+ exit (1);
+ }
+
+ fputs (test, f);
+ fclose (f);
+
+ f = fopen (name, "rm");
+ if (f == NULL)
+ {
+ printf ("%u: cannot fopen temporary file: %m\n", __LINE__);
+ exit (1);
+ }
+
+ if (setvbuf (f, buf, _IOFBF, sizeof buf))
+ {
+ printf ("%u: setvbuf failed: %m\n", __LINE__);
+ exit (1);
+ }
+
+ if (fread (temp, 1, strlen (test), f) != strlen (test))
+ {
+ printf ("%u: couldn't read the file back: %m\n", __LINE__);
+ exit (1);
+ }
+ temp [strlen (test)] = '\0';
+
+ if (strcmp (test, temp))
+ {
+ printf ("%u: read different string than was written:\n%s%s",
+ __LINE__, test, temp);
+ exit (1);
+ }
+
+ fclose (f);
+
+ unlink (name);
+ exit (0);
+}