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-rw-r--r--inet/tst-ntoa.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/inet/tst-ntoa.c b/inet/tst-ntoa.c
new file mode 100644
index 0000000..9be91eb
--- /dev/null
+++ b/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;
+}