mono/utils/networking-missing.c

   1 /*
   2  * networking-missing.c: Implements missing standard socket functions.
   3  *
   4  * Author:
   5  *      Rodrigo Kumpera (kumpera@gmail.com)
   6  *
   7  * (C) 2015 Xamarin
   8  */
   9
  10 #include <mono/utils/networking.h>
  11 #include <mono/utils/mono-compiler.h>
  12 #include <glib.h>
  13
  14 #ifdef HAVE_NETDB_H
  15 #include <netdb.h>
  16 #endif
  17
  18 #ifndef HAVE_INET_PTON
  19
  20 int
  21 inet_pton (int family, const char *address, void *inaddrp)
  22 {
  23         if (family == AF_INET) {
  24 #ifdef HAVE_INET_ATON
  25                 struct in_addr inaddr;
  26
  27                 if (!inet_aton (address, &inaddr))
  28                         return 0;
  29
  30                 memcpy (inaddrp, &inaddr, sizeof (struct in_addr));
  31                 return 1;
  32 #else
  33                 /* assume the system has inet_addr(), if it doesn't
  34                    have that we're pretty much screwed... */
  35                 guint32 inaddr;
  36
  37                 if (!strcmp (address, "255.255.255.255")) {
  38                         /* special-case hack */
  39                         inaddr = 0xffffffff;
  40                 } else {
  41                         inaddr = inet_addr (address);
  42 #ifndef INADDR_NONE
  43 #define INADDR_NONE ((in_addr_t) -1)
  44 #endif
  45                         if (inaddr == INADDR_NONE)
  46                                 return 0;
  47                 }
  48
  49                 memcpy (inaddrp, &inaddr, sizeof (guint32));
  50                 return 1;
  51 #endif /* HAVE_INET_ATON */
  52         }
  53
  54         return -1;
  55 }
  56
  57 #else /* !HAVE_INET_PTON */
  58
  59 MONO_EMPTY_SOURCE_FILE (networking_missing);
  60 #endif /* !HAVE_INET_PTON */