aboutsummaryrefslogtreecommitdiffstats
path: root/wmemdup.c
diff options
context:
space:
mode:
Diffstat (limited to 'wmemdup.c')
-rw-r--r--wmemdup.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/wmemdup.c b/wmemdup.c
index 239ae7d..2e9cc1c 100644
--- a/wmemdup.c
+++ b/wmemdup.c
@@ -4,7 +4,7 @@
wchar_t *
-libsimple_wmemdup(const wchar_t *s, size_t n) /* TODO test */
+libsimple_wmemdup(const wchar_t *s, size_t n)
{
wchar_t *ret;
size_t size;
@@ -25,6 +25,27 @@ libsimple_wmemdup(const wchar_t *s, size_t n) /* TODO test */
int
main(void)
{
+ struct allocinfo *info;
+ const wchar_t *s = L"test";
+ wchar_t *p;
+
+ p = libsimple_wmemdup(s, 5);
+ assert(p);
+ assert(p != s);
+ assert(!((uintptr_t)s % _Alignof(wchar_t)));
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(p)));
+ assert(info->size == 5 * sizeof(wchar_t));
+ assert(info->alignment == _Alignof(wchar_t));
+ }
+ assert(!wmemcmp(p, s, 5));
+ wmemset(p, 0, 5);
+ assert(!wmemcmp(s, L"test", 5));
+ free(p);
+
+ errno = 0;
+ assert(!libsimple_wmemdup(NULL, SSIZE_MAX) && errno == ENOMEM);
+
return 0;
}