ipcpd, lib: Report IPCP creation failure

The IPCP will now respond with an ipcp_create_r message when it fails,
informing the IRMd.

Also adds some const qualifiers in the public headers and fixes
some formatting in dev.c.

2 files changed, 6 insertions, 10 deletions

diff --git a/src/ipcpd/normal/main.c b/src/ipcpd/normal/main.c
index 2b30dba3..b69bfe28 100644
--- a/src/ipcpd/normal/main.c
+++ b/src/ipcpd/normal/main.c
@@ -459,17 +459,20 @@ int main(int    argc,
 
         if (ipcp_init(argc, argv, THIS_TYPE, &normal_ops) < 0) {
                 log_err("Failed to create instance.");
+                ipcp_create_r(getpid(), -1);
                 exit(EXIT_FAILURE);
         }
 
         if (irm_bind_api(getpid(), ipcpi.name)) {
                 log_err("Failed to bind AP name.");
+                ipcp_create_r(getpid(), -1);
                 ipcp_fini();
                 exit(EXIT_FAILURE);
         }
 
         if (rib_init()) {
                 log_err("Failed to initialize RIB.");
+                ipcp_create_r(getpid(), -1);
                 irm_unbind_api(getpid(), ipcpi.name);
                 ipcp_fini();
                 exit(EXIT_FAILURE);
@@ -479,6 +482,7 @@ int main(int    argc,
 
         if (ipcp_boot() < 0) {
                 log_err("Failed to boot IPCP.");
+                ipcp_create_r(getpid(), -1);
                 rib_fini();
                 irm_unbind_api(getpid(), ipcpi.name);
                 ipcp_fini();
@@ -487,7 +491,7 @@ int main(int    argc,
 
         pthread_sigmask(SIG_UNBLOCK, &sigset, NULL);
 
-        if (ipcp_create_r(getpid())) {
+        if (ipcp_create_r(getpid(), 0)) {
                 log_err("Failed to notify IRMd we are initialized.");
                 ipcp_set_state(IPCP_NULL);
                 ipcp_shutdown();
diff --git a/src/ipcpd/normal/pol/flat.c b/src/ipcpd/normal/pol/flat.c
index 9ffeb5c7..61b0110c 100644
--- a/src/ipcpd/normal/pol/flat.c
+++ b/src/ipcpd/normal/pol/flat.c
@@ -27,6 +27,7 @@
 #include <ouroboros/errno.h>
 #include <ouroboros/time_utils.h>
 #include <ouroboros/rib.h>
+#include <ouroboros/utils.h>
 
 #include "ipcp.h"
 
@@ -46,15 +47,6 @@ static void addr_name(char *   name,
         sprintf(name, "%8x", (uint32_t) (addr));
 }
 
-#define freepp(type, ptr, len)                          \
-        do {                                            \
-                if (len == 0)                           \
-                        break;                          \
-                while (len > 0)                         \
-                        free(((type **) ptr)[--len]);   \
-                free(ptr);                              \
-        } while (0);
-
 static int addr_taken(char *  name,
                       char ** members,
                       size_t  len)