Global: pack all enums and make flag enums unsigned

src/modules/dns/dns.c

@@ -122,6 +122,8 @@ void ffGenerateDNSJsonConfig(FFDNSOptions* options, yyjson_mut_doc* doc, yyjson_
 
     if (defaultOptions.showType != options->showType)
     {
+        #pragma GCC diagnostic push
+        #pragma GCC diagnostic ignored "-Wswitch" // FF_DNS_TYPE_FORCE_UNSIGNED
         switch (options->showType)
         {
             case FF_DNS_TYPE_IPV4_BIT:
@@ -134,6 +136,7 @@ void ffGenerateDNSJsonConfig(FFDNSOptions* options, yyjson_mut_doc* doc, yyjson_
                 yyjson_mut_obj_add_str(doc, module, "showType", "both");
                 break;
         }
+        #pragma GCC diagnostic pop
     }
 }
 

src/modules/dns/option.h

@@ -4,10 +4,11 @@
 
 #include "common/option.h"
 
-typedef enum FFDNSShowType {
+typedef enum __attribute__((__packed__)) FFDNSShowType {
     FF_DNS_TYPE_IPV4_BIT = 1,
     FF_DNS_TYPE_IPV6_BIT = 2,
     FF_DNS_TYPE_BOTH = FF_DNS_TYPE_IPV4_BIT | FF_DNS_TYPE_IPV6_BIT,
+    FF_DNS_TYPE_FORCE_UNSIGNED = UINT8_MAX,
 } FFDNSShowType;
 
 typedef struct FFDNSOptions