tree-wide: drop license boilerplate

[thirdparty/systemd.git] / src / socket-proxy / socket-proxyd.c

diff --git a/src/socket-proxy/socket-proxyd.c b/src/socket-proxy/socket-proxyd.c
index b810891d7d24bdbd324daa2a58e2edabb7d653b6..9fa7359cb75540ce2f9c4f1fb8cedca327d3ca21 100644 (file)
--- a/src/socket-proxy/socket-proxyd.c
+++ b/src/socket-proxy/socket-proxyd.c
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
   This file is part of systemd.
 
   Copyright 2013 David Strauss
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
  ***/
 
 #include <errno.h>
@@ -91,19 +79,10 @@ static void connection_free(Connection *c) {
 }
 
 static void context_free(Context *context) {
-        sd_event_source *es;
-        Connection *c;
-
         assert(context);
 
-        while ((es = set_steal_first(context->listen)))
-                sd_event_source_unref(es);
-
-        while ((c = set_first(context->connections)))
-                connection_free(c);
-
-        set_free(context->listen);
-        set_free(context->connections);
+        set_free_with_destructor(context->listen, sd_event_source_unref);
+        set_free_with_destructor(context->connections, connection_free);
 
         sd_event_unref(context->event);
         sd_resolve_unref(context->resolve);
@@ -164,10 +143,10 @@ static int connection_shovel(
                         if (z > 0) {
                                 *full += z;
                                 shoveled = true;
-                        } else if (z == 0 || errno == EPIPE || errno == ECONNRESET) {
+                        } else if (z == 0 || IN_SET(errno, EPIPE, ECONNRESET)) {
                                 *from_source = sd_event_source_unref(*from_source);
                                 *from = safe_close(*from);
-                        } else if (errno != EAGAIN && errno != EINTR)
+                        } else if (!IN_SET(errno, EAGAIN, EINTR))
                                 return log_error_errno(errno, "Failed to splice: %m");
                 }
 
@@ -176,10 +155,10 @@ static int connection_shovel(
                         if (z > 0) {
                                 *full -= z;
                                 shoveled = true;
-                        } else if (z == 0 || errno == EPIPE || errno == ECONNRESET) {
+                        } else if (z == 0 || IN_SET(errno, EPIPE, ECONNRESET)) {
                                 *to_source = sd_event_source_unref(*to_source);
                                 *to = safe_close(*to);
-                        } else if (errno != EAGAIN && errno != EINTR)
+                        } else if (!IN_SET(errno, EAGAIN, EINTR))
                                 return log_error_errno(errno, "Failed to splice: %m");
                 }
         } while (shoveled);
@@ -564,7 +543,7 @@ static void help(void) {
         printf("%1$s [HOST:PORT]\n"
                "%1$s [SOCKET]\n\n"
                "Bidirectionally proxy local sockets to another (possibly remote) socket.\n\n"
-               "  -c --max-connections=  Set the maximum number of connections to be accepted\n"
+               "  -c --connections-max=  Set the maximum number of connections to be accepted\n"
                "  -h --help              Show this help\n"
                "     --version           Show package version\n",
                program_invocation_short_name);