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authorWill Newton <will.newton@linaro.org>2013-08-16 12:01:52 +0100
committerWill Newton <will.newton@linaro.org>2013-10-02 10:45:40 +0100
commit3cef60098c3a38c65b11be2542b2bc86f76166e8 (patch)
treed89b7ff941f49235304f3e70d3bc00529ba6522f /malloc/tst-pvalloc.c
parent7815420bc9127926485e287d233fe638228ab53d (diff)
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malloc: Add pvalloc test.
ChangeLog: 2013-10-02 Will Newton <will.newton@linaro.org> * malloc/Makefile: Add tst-pvalloc. * malloc/tst-pvalloc.c: New file.
Diffstat (limited to 'malloc/tst-pvalloc.c')
-rw-r--r--malloc/tst-pvalloc.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/malloc/tst-pvalloc.c b/malloc/tst-pvalloc.c
new file mode 100644
index 0000000..1126672
--- /dev/null
+++ b/malloc/tst-pvalloc.c
@@ -0,0 +1,91 @@
+/* Copyright (C) 2013 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 <malloc.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+static int errors = 0;
+
+static void
+merror (const char *msg)
+{
+ ++errors;
+ printf ("Error: %s\n", msg);
+}
+
+static int
+do_test (void)
+{
+ void *p;
+ unsigned long pagesize = getpagesize();
+ unsigned long ptrval;
+ int save;
+
+ errno = 0;
+
+ p = pvalloc (-1);
+
+ save = errno;
+
+ if (p != NULL)
+ merror ("pvalloc (-1) succeeded.");
+
+ if (p == NULL && save != ENOMEM)
+ merror ("pvalloc (-1) errno is not set correctly");
+
+ errno = 0;
+
+ p = pvalloc (-pagesize);
+
+ save = errno;
+
+ if (p != NULL)
+ merror ("pvalloc (-pagesize) succeeded.");
+
+ if (p == NULL && save != ENOMEM)
+ merror ("pvalloc (-pagesize) errno is not set correctly");
+
+ p = pvalloc (0);
+
+ if (p == NULL)
+ merror ("pvalloc (0) failed.");
+
+ free (p);
+
+ p = pvalloc (32);
+
+ if (p == NULL)
+ merror ("pvalloc (32) failed.");
+
+ ptrval = (unsigned long)p;
+
+ if (p == NULL)
+ merror ("pvalloc (32) failed.");
+
+ if ((ptrval & (pagesize - 1)) != 0)
+ merror ("returned pointer is not page aligned.");
+
+ free (p);
+
+ return errors != 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"