Convert logical booleans in client_config_t to bool type.

src/cfg.rl

@@ -50,11 +50,11 @@ struct cfgparse {
     action background {
         switch (ccfg.ternary) {
         case 1:
-            client_config.background_if_no_lease = 1;
+            client_config.background_if_no_lease = true;
             gflags_detach = 1;
             break;
         case -1:
-            client_config.background_if_no_lease = 0;
+            client_config.background_if_no_lease = false;
             gflags_detach = 0;
         default:
             break;
@@ -74,14 +74,14 @@ struct cfgparse {
     }
     action now {
         switch (ccfg.ternary) {
-        case 1: client_config.abort_if_no_lease = 1; break;
+        case 1: client_config.abort_if_no_lease = true; break;
-        case -1: client_config.abort_if_no_lease = 0; default: break;
+        case -1: client_config.abort_if_no_lease = false; default: break;
         }
     }
     action quit {
         switch (ccfg.ternary) {
-        case 1: client_config.quit_after_lease = 1; break;
+        case 1: client_config.quit_after_lease = true; break;
-        case -1: client_config.quit_after_lease = 0; default: break;
+        case -1: client_config.quit_after_lease = false; default: break;
         }
     }
     action request { set_client_addr(ccfg.buf); }
@@ -171,7 +171,7 @@ struct cfgparse {
     action rfkill_idx {
         uint32_t t = atoi(ccfg.buf);
         client_config.rfkillIdx = t;
-        client_config.enable_rfkill = 1;
+        client_config.enable_rfkill = true;
     }
     action version { print_version(); exit(EXIT_SUCCESS); }
     action help { show_usage(); exit(EXIT_SUCCESS); }

src/ndhc.c

@@ -92,7 +92,7 @@ struct client_config_t client_config = {
     .arp = "\0\0\0\0\0\0",
     .clientid_len = 0,
     .metric = 0,
-    .foreground = 1,
+    .foreground = true,
 };
 
 void set_client_addr(const char v[static 1]) { cs.clientAddr = inet_addr(v); }

src/ndhc.h

@@ -50,11 +50,11 @@ struct client_state_t {
 };
 
 struct client_config_t {
-    char foreground;             // Do not fork
+    bool foreground;             // Do not fork
-    char quit_after_lease;       // Quit after obtaining lease
+    bool quit_after_lease;       // Quit after obtaining lease
-    char abort_if_no_lease;      // Abort if no lease
+    bool abort_if_no_lease;      // Abort if no lease
-    char background_if_no_lease; // Fork to background if no lease
+    bool background_if_no_lease; // Fork to background if no lease
-    char enable_rfkill;          // Listen for rfkill events
+    bool enable_rfkill;          // Listen for rfkill events
     char interface[IFNAMSIZ];    // The name of the interface to use
     char clientid[64];           // Optional client id to use
     uint8_t clientid_len;        // Length of the clientid

src/rfkill.c

@@ -37,13 +37,13 @@
 #include "ndhc.h"
 #include "rfkill.h"
 
-int rfkill_open(char enable_rfkill[static 1])
+int rfkill_open(bool enable_rfkill[static 1])
 {
     if (!*enable_rfkill)
         return -1;
     int r = open("/dev/rfkill", O_RDONLY|O_CLOEXEC|O_NONBLOCK);
     if (r < 0) {
-        *enable_rfkill = 0;
+        *enable_rfkill = false;
         log_line("rfkill disabled: could not open /dev/rfkill: %s",
                  strerror(errno));
     }

src/rfkill.h

@@ -35,7 +35,7 @@ enum {
     RFK_DISABLED,
 };
 
-int rfkill_open(char enable_rfkill[static 1]);
+int rfkill_open(bool enable_rfkill[static 1]);
 int rfkill_get(struct client_state_t cs[static 1],
                int check_idx, uint32_t rfkidx);