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-rw-r--r--vallocz.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/vallocz.c b/vallocz.c
new file mode 100644
index 0000000..06263ed
--- /dev/null
+++ b/vallocz.c
@@ -0,0 +1,77 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+#ifndef TEST
+
+
+extern inline void *libsimple_vallocz(int, size_t);
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+ struct allocinfo *volatile info;
+ void *ptr;
+ DEFINE_PAGESIZE;
+ DEFINE_CACHELINE;
+
+ assert((ptr = libsimple_vallocz(0, 9)));
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(ptr)));
+ assert(info->size == 9 || info->size == pagesize);
+ ASSERT_ALIGNMENT(info, pagesize);
+ assert(!info->zeroed);
+ assert(!((uintptr_t)ptr % (uintptr_t)info->alignment));
+ }
+ free(ptr);
+ ptr = NULL;
+
+ assert((ptr = libsimple_vallocz(1, 7)));
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(ptr)));
+ assert(info->size == 7 || info->size == pagesize);
+ ASSERT_ALIGNMENT(info, pagesize);
+ assert(info->zeroed == 7 || info->zeroed == info->size);
+ assert(!((uintptr_t)ptr % (uintptr_t)info->alignment));
+ }
+ free(ptr);
+ ptr = NULL;
+
+ assert((ptr = libsimple_vallocz(1, 3 * pagesize)));
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(ptr)));
+ assert(info->size == 3 * pagesize);
+ ASSERT_ALIGNMENT(info, pagesize);
+ assert(info->zeroed == 3 * pagesize);
+ assert(!((uintptr_t)ptr % (uintptr_t)info->alignment));
+ }
+ free(ptr);
+ ptr = NULL;
+
+ assert((ptr = libsimple_vallocz(0, 4 * pagesize)));
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(ptr)));
+ assert(info->size == 4 * pagesize);
+ ASSERT_ALIGNMENT(info, pagesize);
+ assert(!info->zeroed);
+ assert(!((uintptr_t)ptr % (uintptr_t)info->alignment));
+ }
+ free(ptr);
+ ptr = NULL;
+
+ if (have_custom_malloc()) {
+ alloc_fail_in = 1;
+ assert(!libsimple_vallocz(0, 8) && errno == ENOMEM);
+ assert(!alloc_fail_in);
+
+ alloc_fail_in = 1;
+ assert(!libsimple_vallocz(1, 16) && errno == ENOMEM);
+ assert(!alloc_fail_in);
+ }
+
+ return 0;
+}
+
+#endif