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[PATCH 7/7] malloc: Add memalign test.
- From: Will Newton <will dot newton at linaro dot org>
- To: libc-alpha at sourceware dot org
- Cc: patches at linaro dot org
- Date: Mon, 19 Aug 2013 20:47:19 +0100
- Subject: [PATCH 7/7] malloc: Add memalign test.
ChangeLog:
2013-08-16 Will Newton <will.newton@linaro.org>
* malloc/Makefile: Add tst-memalign.
* malloc/tst-memalign.c: New file.
---
malloc/Makefile | 2 +-
malloc/tst-memalign.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 74 insertions(+), 1 deletion(-)
create mode 100644 malloc/tst-memalign.c
diff --git a/malloc/Makefile b/malloc/Makefile
index 17d146b..d482879 100644
--- a/malloc/Makefile
+++ b/malloc/Makefile
@@ -27,7 +27,7 @@ headers := $(dist-headers) obstack.h mcheck.h
tests := mallocbug tst-malloc tst-valloc tst-calloc tst-obstack \
tst-mallocstate tst-mcheck tst-mallocfork tst-trim1 \
tst-malloc-usable tst-realloc tst-posix_memalign \
- tst-pvalloc
+ tst-pvalloc tst-memalign
test-srcs = tst-mtrace
routines = malloc morecore mcheck mtrace obstack
diff --git a/malloc/tst-memalign.c b/malloc/tst-memalign.c
new file mode 100644
index 0000000..eff47d8
--- /dev/null
+++ b/malloc/tst-memalign.c
@@ -0,0 +1,73 @@
+/* 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;
+
+ p = memalign (sizeof (void *), -1);
+
+ if (p != NULL)
+ merror ("memalign (sizeof (void *), -1) succeeded.");
+
+ p = memalign (pagesize, -pagesize);
+
+ if (p != NULL)
+ merror ("memalign (pagesize, -pagesize) succeeded.");
+
+ p = memalign (sizeof (void *), 0);
+
+ if (p == NULL)
+ merror ("memalign (sizeof (void *), 0) failed.");
+
+ free (p);
+
+ p = memalign (0x100, 10);
+
+ if (p == NULL)
+ merror ("memalign (0x100, 10) failed.");
+
+ ptrval = (unsigned long)p;
+
+ if (ptrval & 0xff)
+ merror ("pointer is not aligned to 0x100");
+
+ free (p);
+
+ return errors != 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
--
1.8.1.4