added default returns to generated enum functions

src/kwil_generate.c

@@ -196,6 +196,7 @@ int kwil_enum_generate_json_length(struct kwil_enum_t* self, FILE* file, const c
                 self->enum_values[option_index].name, strlen(self->enum_values[option_index].name));
     }
     fprintf(file, "    }\\\n"
+                  "    return 2;\\\n"
                   "}\\\n");
     return 0;
 }
@@ -213,6 +214,7 @@ int kwil_enum_generate_to_json(struct kwil_enum_t* self, FILE* file, const char*
     }
 
     fprintf(file, "    }\\\n"
+                  "    return sprintf(out, \"\\\"\\\"\");\\\n"
                   "}\\\n");
     return 0;
 }

test_files/header.kwil.h

@@ -6,6 +6,7 @@ size_t enum_A_json_length(enum enum_A* src) {\
         case VALUE_B: return 7;\
         case VALUE_C: return 7;\
     }\
+    return 2;\
 }\
 size_t enum_A_to_json(enum enum_A* src, char* out) {\
     switch(*src) {\
@@ -16,6 +17,7 @@ size_t enum_A_to_json(enum enum_A* src, char* out) {\
         case VALUE_C:\
             return sprintf(out, "\"VALUE_C\"");\
     }\
+    return sprintf(out, "\"\"");\
 }\
 size_t struct_A_json_length(struct struct_A* src) {\
     size_t json_capacity = 2;\