(Logical change 1.3)

[mirror_iproute2.git] / lib / ipx_ntop.c

diff --git a/lib/ipx_ntop.c b/lib/ipx_ntop.c
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..b2d67902546fb4352a6f517a8afcb1a2925086cb 100644 (file)
--- a/lib/ipx_ntop.c
+++ b/lib/ipx_ntop.c
@@ -0,0 +1,71 @@
+#include <errno.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+
+#include "utils.h"
+
+static __inline__ int do_digit(char *str, u_int32_t addr, u_int32_t scale, size_t *pos, size_t len)
+{
+       u_int32_t tmp = addr >> (scale * 4);
+
+       if (*pos == len)
+               return 1;
+
+       tmp &= 0x0f;
+       if (tmp > 9)
+               *str = tmp + 'A' - 10;
+       else
+               *str = tmp + '0';
+       (*pos)++;
+
+       return 0;
+}
+
+static const char *ipx_ntop1(const struct ipx_addr *addr, char *str, size_t len)
+{
+       int i;
+       size_t pos = 0;
+
+       if (len == 0)
+               return str;
+
+       for(i = 7; i >= 0; i--)
+               if (do_digit(str + pos, ntohl(addr->ipx_net), i, &pos, len))
+                       return str;
+
+       if (pos == len)
+               return str;
+
+       *(str + pos) = '.';
+       pos++;
+       
+       for(i = 0; i < 6; i++) {
+               if (do_digit(str + pos, addr->ipx_node[i], 1, &pos, len))
+                       return str;
+               if (do_digit(str + pos, addr->ipx_node[i], 0, &pos, len))
+                       return str;
+       }
+
+       if (pos == len)
+               return str;
+
+       *(str + pos) = 0;
+
+       return str;
+}
+
+
+const char *ipx_ntop(int af, const void *addr, char *str, size_t len)
+{
+       switch(af) {
+               case AF_IPX:
+                       errno = 0;
+                       return ipx_ntop1((struct ipx_addr *)addr, str, len);
+               default:
+                       errno = EAFNOSUPPORT;
+       }
+
+       return NULL;
+}
+
+