src/basic/af-list.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright 2013 Lennart Poettering
   4 ***/
   5
   6 #include <string.h>
   7 #include <sys/socket.h>
   8
   9 #include "af-list.h"
  10 #include "macro.h"
  11
  12 static const struct af_name* lookup_af(register const char *str, register GPERF_LEN_TYPE len);
  13
  14 #include "af-from-name.h"
  15 #include "af-to-name.h"
  16
  17 const char *af_to_name(int id) {
  18
  19         if (id <= 0)
  20                 return NULL;
  21
  22         if (id >= (int) ELEMENTSOF(af_names))
  23                 return NULL;
  24
  25         return af_names[id];
  26 }
  27
  28 int af_from_name(const char *name) {
  29         const struct af_name *sc;
  30
  31         assert(name);
  32
  33         sc = lookup_af(name, strlen(name));
  34         if (!sc)
  35                 return AF_UNSPEC;
  36
  37         return sc->id;
  38 }
  39
  40 int af_max(void) {
  41         return ELEMENTSOF(af_names);
  42 }