grab some tests from glibc

1 files changed, 36 insertions, 0 deletions

diff --git a/test/inet/tst-ntoa.c b/test/inet/tst-ntoa.c
new file mode 100644
index 000000000..9be91eb51
--- /dev/null
+++ b/test/inet/tst-ntoa.c
@@ -0,0 +1,36 @@
+#include <stdio.h>
+#include <string.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+
+
+static int
+test (unsigned int inaddr, const char *expected)
+{
+  struct in_addr addr;
+  char *res;
+  int fail;
+
+  addr.s_addr = htonl (inaddr);
+  res = inet_ntoa (addr);
+  fail = strcmp (res, expected);
+
+  printf ("%#010x -> \"%s\" -> %s%s\n", inaddr, res,
+	  fail ? "fail, expected" : "ok", fail ? expected : "");
+
+  return fail;
+}
+
+
+int
+main (void)
+{
+  int result = 0;
+
+  result |= test (INADDR_LOOPBACK, "127.0.0.1");
+  result |= test (INADDR_BROADCAST, "255.255.255.255");
+  result |= test (INADDR_ANY, "0.0.0.0");
+  result |= test (0xc0060746, "192.6.7.70");
+
+  return result;
+}