core: remove compilation warnings about unused return values of functions

5 files changed, 51 insertions, 21 deletions

diff --git a/src/core/wee-command.c b/src/core/wee-command.c
index 071f30820..fef274fdc 100644
--- a/src/core/wee-command.c
+++ b/src/core/wee-command.c
@@ -156,6 +156,7 @@ command_bar_list (int full)
 COMMAND_CALLBACK(bar)
 {
     int i, type, position, number;
+    long value;
     char *error, *str_type, *pos_condition;
     struct t_gui_bar *ptr_bar;
     struct t_gui_bar_item *ptr_item;
@@ -254,7 +255,8 @@ COMMAND_CALLBACK(bar)
             return WEECHAT_RC_OK;
         }
         error = NULL;
-        (void) strtol (argv[5], &error, 10);
+        value = strtol (argv[5], &error, 10);
+        (void) value;
         if (error && !error[0])
         {
             /* create bar */
@@ -3621,6 +3623,7 @@ command_proxy_list ()
 COMMAND_CALLBACK(proxy)
 {
     int type;
+    long value;
     char *error;
     struct t_proxy *ptr_proxy;
     
@@ -3658,7 +3661,8 @@ COMMAND_CALLBACK(proxy)
             return WEECHAT_RC_OK;
         }
         error = NULL;
-        (void) strtol (argv[5], &error, 10);
+        value = strtol (argv[5], &error, 10);
+        (void) value;
         if (error && !error[0])
         {
             /* create proxy */
diff --git a/src/core/wee-network.c b/src/core/wee-network.c
index 468f94c82..7cb018132 100644
--- a/src/core/wee-network.c
+++ b/src/core/wee-network.c
@@ -519,7 +519,7 @@ network_connect_child (struct t_hook *hook_connect)
     char status_str[2], *ptr_address, *status_ok_with_address;
     char ipv4_address[INET_ADDRSTRLEN + 1], ipv6_address[INET6_ADDRSTRLEN + 1];
     char status_ok_without_address[1 + 5 + 1];
-    int rc, length;
+    int rc, length, num_written;
     
     res = NULL;
     res_local = NULL;
@@ -535,7 +535,9 @@ network_connect_child (struct t_hook *hook_connect)
         {
             /* proxy not found */
             status_str[0] = '0' + WEECHAT_HOOK_CONNECT_PROXY_ERROR;
-            write (HOOK_CONNECT(hook_connect, child_write), status_str, 1);
+            num_written = write (HOOK_CONNECT(hook_connect, child_write),
+                                 status_str, 1);
+            (void) num_written;
             return;
         }
     }
@@ -551,14 +553,18 @@ network_connect_child (struct t_hook *hook_connect)
         {
             /* address not found */
             status_str[0] = '0' + WEECHAT_HOOK_CONNECT_ADDRESS_NOT_FOUND;
-            write (HOOK_CONNECT(hook_connect, child_write), status_str, 1);
+            num_written = write (HOOK_CONNECT(hook_connect, child_write),
+                                 status_str, 1);
+            (void) num_written;
             return;
         }
         if (!res)
         {
             /* adddress not found */
             status_str[0] = '0' + WEECHAT_HOOK_CONNECT_ADDRESS_NOT_FOUND;
-            write (HOOK_CONNECT(hook_connect, child_write), status_str, 1);
+            num_written = write (HOOK_CONNECT(hook_connect, child_write),
+                                 status_str, 1);
+            (void) num_written;
             return;
         }
         if ((CONFIG_BOOLEAN(ptr_proxy->options[PROXY_OPTION_IPV6]) && (res->ai_family != AF_INET6))
@@ -566,7 +572,9 @@ network_connect_child (struct t_hook *hook_connect)
         {
             /* IP address not found */
             status_str[0] = '0' + WEECHAT_HOOK_CONNECT_IP_ADDRESS_NOT_FOUND;
-            write (HOOK_CONNECT(hook_connect, child_write), status_str, 1);
+            num_written = write (HOOK_CONNECT(hook_connect, child_write),
+                                 status_str, 1);
+            (void) num_written;
             freeaddrinfo (res);
             return;
         }
@@ -582,7 +590,9 @@ network_connect_child (struct t_hook *hook_connect)
         {
             /* connection refused */
             status_str[0] = '0' + WEECHAT_HOOK_CONNECT_CONNECTION_REFUSED;
-            write (HOOK_CONNECT(hook_connect, child_write), status_str, 1);
+            num_written = write (HOOK_CONNECT(hook_connect, child_write),
+                                 status_str, 1);
+            (void) num_written;
             freeaddrinfo (res);
             return;
         }
@@ -594,7 +604,9 @@ network_connect_child (struct t_hook *hook_connect)
         {
             /* proxy fails to connect to peer */
             status_str[0] = '0' + WEECHAT_HOOK_CONNECT_PROXY_ERROR;
-            write (HOOK_CONNECT(hook_connect, child_write), status_str, 1);
+            num_written = write (HOOK_CONNECT(hook_connect, child_write),
+                                 status_str, 1);
+            (void) num_written;
             freeaddrinfo (res);
             return;
         }
@@ -620,7 +632,9 @@ network_connect_child (struct t_hook *hook_connect)
             {
                 /* fails to set local hostname/IP */
                 status_str[0] = '0' + WEECHAT_HOOK_CONNECT_LOCAL_HOSTNAME_ERROR;
-                write (HOOK_CONNECT(hook_connect, child_write), status_str, 1);
+                num_written = write (HOOK_CONNECT(hook_connect, child_write),
+                                     status_str, 1);
+                (void) num_written;
                 if (res_local)
                     freeaddrinfo (res_local);
                 return;
@@ -630,7 +644,9 @@ network_connect_child (struct t_hook *hook_connect)
             {
                 /* fails to set local hostname/IP */
                 status_str[0] = '0' + WEECHAT_HOOK_CONNECT_LOCAL_HOSTNAME_ERROR;
-                write (HOOK_CONNECT(hook_connect, child_write), status_str, 1);
+                num_written = write (HOOK_CONNECT(hook_connect, child_write),
+                                     status_str, 1);
+                (void) num_written;
                 if (res_local)
                     freeaddrinfo (res_local);
                 return;
@@ -647,7 +663,9 @@ network_connect_child (struct t_hook *hook_connect)
         {
             /* address not found */
             status_str[0] = '0' + WEECHAT_HOOK_CONNECT_ADDRESS_NOT_FOUND;
-            write (HOOK_CONNECT(hook_connect, child_write), status_str, 1);
+            num_written = write (HOOK_CONNECT(hook_connect, child_write),
+                                 status_str, 1);
+            (void) num_written;
             if (res)
                 freeaddrinfo (res);
             if (res_local)
@@ -721,21 +739,25 @@ network_connect_child (struct t_hook *hook_connect)
         
         if (status_ok_with_address)
         {
-            write (HOOK_CONNECT(hook_connect, child_write),
-                   status_ok_with_address, strlen (status_ok_with_address));
+            num_written = write (HOOK_CONNECT(hook_connect, child_write),
+                                 status_ok_with_address, strlen (status_ok_with_address));
+            (void) num_written;
             free (status_ok_with_address);
         }
         else
         {
             snprintf (status_ok_without_address, sizeof (status_ok_without_address),
                       "%s%05d", status_str, 0);
-            write (HOOK_CONNECT(hook_connect, child_write),
-                   status_ok_without_address, strlen (status_ok_without_address));
+            num_written = write (HOOK_CONNECT(hook_connect, child_write),
+                                 status_ok_without_address, strlen (status_ok_without_address));
+            (void) num_written;
         }
     }
     else
     {
-        write (HOOK_CONNECT(hook_connect, child_write), status_str, 1);
+        num_written = write (HOOK_CONNECT(hook_connect, child_write),
+                             status_str, 1);
+        (void) num_written;
     }
     
     if (res)
diff --git a/src/plugins/plugin-api.c b/src/plugins/plugin-api.c
index 7ac39977e..95de05b7c 100644
--- a/src/plugins/plugin-api.c
+++ b/src/plugins/plugin-api.c
@@ -314,7 +314,8 @@ plugin_api_info_get_internal (void *data, const char *info_name,
     {
         if (!weechat_dir_absolute_path[0])
         {
-            realpath (weechat_home, weechat_dir_absolute_path);
+            if (!realpath (weechat_home, weechat_dir_absolute_path))
+                return NULL;
         }
         return (weechat_dir_absolute_path[0]) ?
             weechat_dir_absolute_path : weechat_home;
diff --git a/src/plugins/scripts/script.c b/src/plugins/scripts/script.c
index b87c4bad7..44d3d1dda 100644
--- a/src/plugins/scripts/script.c
+++ b/src/plugins/scripts/script.c
@@ -913,7 +913,7 @@ script_action_install (struct t_weechat_plugin *weechat_plugin,
     char **argv, *name, *ptr_base_name, *base_name, *new_path, *autoload_path;
     char *symlink_path;
     const char *dir_home, *dir_separator;
-    int argc, i, length;
+    int argc, i, length, rc;
     struct t_plugin_script *ptr_script;
     
     if (*list)
@@ -968,7 +968,8 @@ script_action_install (struct t_weechat_plugin *weechat_plugin,
                                     {
                                         snprintf (symlink_path, length, "..%s%s",
                                                   dir_separator, base_name);
-                                        symlink (symlink_path, autoload_path);
+                                        rc = symlink (symlink_path, autoload_path);
+                                        (void) rc;
                                         free (symlink_path);
                                     }
                                     free (autoload_path);
diff --git a/src/plugins/xfer/xfer-network.c b/src/plugins/xfer/xfer-network.c
index 88443f76c..f588aa022 100644
--- a/src/plugins/xfer/xfer-network.c
+++ b/src/plugins/xfer/xfer-network.c
@@ -76,10 +76,12 @@ void
 xfer_network_write_pipe (struct t_xfer *xfer, int status, int error)
 {
     char buffer[1 + 1 + 32 + 1];   /* status + error + pos + \0 */
+    int num_written;
     
     snprintf (buffer, sizeof (buffer), "%c%c%032llu",
               status + '0', error + '0', xfer->pos);
-    write (xfer->child_write, buffer, sizeof (buffer));
+    num_written = write (xfer->child_write, buffer, sizeof (buffer));
+    (void) num_written;
 }
 
 /*