1 files changed, 82 insertions, 0 deletions

diff --git a/src/lib/libc/net/inet_neta.c b/src/lib/libc/net/inet_neta.c
new file mode 100644
index 0000000000..dffd1631b1
--- /dev/null
+++ b/src/lib/libc/net/inet_neta.c
@@ -0,0 +1,82 @@
+/*      $OpenBSD: inet_neta.c,v 1.1 1997/03/13 19:07:31 downsj Exp $    */
+
+/*
+ * Copyright (c) 1996 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+#if 0
+static const char rcsid[] = "$Id: inet_neta.c,v 1.1 1997/03/13 19:07:31 downsj Exp $";
+#else
+static const char rcsid[] = "$OpenBSD: inet_neta.c,v 1.1 1997/03/13 19:07:31 downsj Exp $";
+#endif
+#endif
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <errno.h>
+#include <stdio.h>
+
+/*
+ * char *
+ * inet_neta(src, dst, size)
+ *      format a u_long network number into presentation format.
+ * return:
+ *      pointer to dst, or NULL if an error occurred (check errno).
+ * note:
+ *      format of ``src'' is as for inet_network().
+ * author:
+ *      Paul Vixie (ISC), July 1996
+ */
+char *
+inet_neta(src, dst, size)
+        u_long src;
+        char *dst;
+        size_t size;
+{
+        char *odst = dst;
+        char *tp;
+
+        while (src & 0xffffffff) {
+                u_char b = (src & 0xff000000) >> 24;
+
+                src <<= 8;
+                if (b) {
+                        if (size < sizeof "255.")
+                                goto emsgsize;
+                        tp = dst;
+                        dst += sprintf(dst, "%u", b);
+                        if (src != 0L) {
+                                *dst++ = '.';
+                                *dst = '\0';
+                        }
+                        size -= (size_t)(dst - tp);
+                }
+        }
+        if (dst == odst) {
+                if (size < sizeof "0.0.0.0")
+                        goto emsgsize;
+                strcpy(dst, "0.0.0.0");
+        }
+        return (odst);
+
+ emsgsize:
+        errno = EMSGSIZE;
+        return (NULL);
+}