src/basic/socket-protocol-list.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright 2014 Lennart Poettering
   4 ***/
   5
   6 #include <netinet/in.h>
   7 #include <string.h>
   8
   9 #include "socket-protocol-list.h"
  10 #include "macro.h"
  11
  12 static const struct socket_protocol_name* lookup_socket_protocol(register const char *str, register GPERF_LEN_TYPE len);
  13
  14 #include "socket-protocol-from-name.h"
  15 #include "socket-protocol-to-name.h"
  16
  17 const char *socket_protocol_to_name(int id) {
  18
  19         if (id < 0)
  20                 return NULL;
  21
  22         if (id >= (int) ELEMENTSOF(socket_protocol_names))
  23                 return NULL;
  24
  25         return socket_protocol_names[id];
  26 }
  27
  28 int socket_protocol_from_name(const char *name) {
  29         const struct socket_protocol_name *sc;
  30
  31         assert(name);
  32
  33         sc = lookup_socket_protocol(name, strlen(name));
  34         if (!sc)
  35                 return 0;
  36
  37         return sc->id;
  38 }
  39
  40 int socket_protocol_max(void) {
  41         return ELEMENTSOF(socket_protocol_names);
  42 }