C: check-root-user.c

code/C/.clang-format

@@ -0,0 +1,5 @@
+Language: Cpp
+BasedOnStyle: LLVM
+IndentWidth: 2
+ColumnLimit: 132
+SortIncludes: Never

code/C/System/check-root-user.c

@@ -0,0 +1,18 @@
+/**
+ * https://man.openbsd.org/getuid
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+
+void main(int argc, char const *argv[]) {
+  uid_t user = getuid();
+  uid_t privs = geteuid();
+  printf("User: %u\n", user);
+  printf("Privs: %u\n", privs);
+
+  puts("::");
+
+  char *login = getlogin();
+  printf("%s\n", login);
+}

code/C/Web/ulfius-server/server.h

@@ -3,10 +3,8 @@ atomic_bool running = true;
 #define PORT 8000
 #define PREFIX "/api"
 
-int callback_default(const struct _u_request *request,
+int callback_default(const struct _u_request *request, struct _u_response *response, void *user_data);
-                     struct _u_response *response, void *user_data);
+int callback_all_test_foo(const struct _u_request *request, struct _u_response *response, void *user_data);
-int callback_all_test_foo(const struct _u_request *request,
-                          struct _u_response *response, void *user_data);
 
 void *thread_server(void *vargp) {
   int ret;
@@ -18,10 +16,8 @@ void *thread_server(void *vargp) {
 
   instance.max_post_body_size = 1024;
 
-  ulfius_add_endpoint_by_val(&instance, "GET", PREFIX, "/param/:name", 0,
+  ulfius_add_endpoint_by_val(&instance, "GET", PREFIX, "/param/:name", 0, &callback_all_test_foo, "user data 1");
-                             &callback_all_test_foo, "user data 1");
+  ulfius_add_endpoint_by_val(&instance, "POST", PREFIX, "/param/:name", 0, &callback_all_test_foo, "user data 2");
-  ulfius_add_endpoint_by_val(&instance, "POST", PREFIX, "/param/:name", 0,
-                             &callback_all_test_foo, "user data 2");
 
   ulfius_set_default_endpoint(&instance, &callback_default, NULL);
 
@@ -41,18 +37,15 @@ void *thread_server(void *vargp) {
   ulfius_clean_instance(&instance);
 }
 
-int callback_default(const struct _u_request *request,
+int callback_default(const struct _u_request *request, struct _u_response *response, void *user_data) {
-                     struct _u_response *response, void *user_data) {
   (void)(request);
   (void)(user_data);
-  ulfius_set_string_body_response(response, 404,
+  ulfius_set_string_body_response(response, 404, "Page not found, do what you want");
-                                  "Page not found, do what you want");
 
   return U_CALLBACK_CONTINUE;
 }
 
-int callback_all_test_foo(const struct _u_request *request,
+int callback_all_test_foo(const struct _u_request *request, struct _u_response *response, void *user_data) {
-                          struct _u_response *response, void *user_data) {
   // url_params = request->map_url
   // post_params = request->map_post_body
 

code/C/Web/webui/call_c_from_js.c

@@ -2,12 +2,12 @@
 
 #include "webui.h"
 
-void my_function_string(webui_event_t* e) {
+void my_function_string(webui_event_t *e) {
 
   // JavaScript:
   // webui_fn('MyID_One', 'Hello');
 
-    const char* str = webui_get_string(e);
+  const char *str = webui_get_string(e);
   printf("my_function_string: %s\n", str); // Hello
 
   // Need Multiple Arguments?
@@ -21,7 +21,7 @@ void my_function_string(webui_event_t* e) {
   // bar = my_json[1];
 }
 
-void my_function_integer(webui_event_t* e) {
+void my_function_integer(webui_event_t *e) {
 
   // JavaScript:
   // webui_fn('MyID_Two', 123456789);
@@ -30,19 +30,19 @@ void my_function_integer(webui_event_t* e) {
   printf("my_function_integer: %lld\n", number); // 123456789
 }
 
-void my_function_boolean(webui_event_t* e) {
+void my_function_boolean(webui_event_t *e) {
 
   // JavaScript:
   // webui_fn('MyID_Three', true);
 
   bool status = webui_get_bool(e); // True
-    if(status)
+  if (status)
     printf("my_function_boolean: True\n");
   else
     printf("my_function_boolean: False\n");
 }
 
-void my_function_with_response(webui_event_t* e) {
+void my_function_with_response(webui_event_t *e) {
 
   // JavaScript:
   // const result = webui_fn('MyID_Four', number);
@@ -58,8 +58,7 @@ void my_function_with_response(webui_event_t* e) {
 int main() {
 
   // HTML
-    const char* my_html =
+  const char *my_html = "<html>"
-    "<html>"
                         "  <head>"
                         "    <title>Call C from JavaScript Example</title>"
                         "    <style>"
@@ -123,7 +122,5 @@ int main() {
 }
 
 #if defined(_MSC_VER)
-    int APIENTRY WinMain(HINSTANCE hInst, HINSTANCE hInstPrev, PSTR cmdline, int cmdshow) {
+int APIENTRY WinMain(HINSTANCE hInst, HINSTANCE hInstPrev, PSTR cmdline, int cmdshow) { return main(); }
-        return main();
-    }
 #endif