Use 4 spaces for indentation in test applications

hello/hello-exception.cpp

@@ -3,47 +3,47 @@
 
 class Hello {
 public:
-	Hello() {
-		printf("Hello ctor\n");
-	}
-	~Hello() {
-		printf("Hello dtor\n");
-	}
+    Hello() {
+        printf("Hello ctor\n");
+    }
+    ~Hello() {
+        printf("Hello dtor\n");
+    }
 };
 
 Hello global_h;
 
 class RecurseClass {
 public:
-	RecurseClass(int v) : val(v) {
-		printf("ctor %d\n", val);
-	}
-	~RecurseClass() {
-		printf("dtor %d\n", val);
-	}
+    RecurseClass(int v) : val(v) {
+        printf("ctor %d\n", val);
+    }
+    ~RecurseClass() {
+        printf("dtor %d\n", val);
+    }
 private:
-	int val;
+    int val;
 };
 
 void recurse(int val) {
-	RecurseClass obj(val);
-	if (val == 0) {
-		throw std::exception();
-	}
-	if (val == 5) {
-		try {
-			recurse(val - 1);
-		} catch (std::exception& e) {
-			printf("caught exception at %d\n", val);
-		}
-	} else {
-		recurse(val - 1);
-	}
-	printf("finishing function recurse %d\n", val);
+    RecurseClass obj(val);
+    if (val == 0) {
+        throw std::exception();
+    }
+    if (val == 5) {
+        try {
+            recurse(val - 1);
+        } catch (std::exception& e) {
+            printf("caught exception at %d\n", val);
+        }
+    } else {
+        recurse(val - 1);
+    }
+    printf("finishing function recurse %d\n", val);
 }
 
 int main(int argc, char* argv[]) {
-	std::cout<<"Hello world C++"<<std::endl;
-	recurse(10);
-	return 0;
+    std::cout<<"Hello world C++"<<std::endl;
+    recurse(10);
+    return 0;
 }

hello/hello-tls.c

@@ -9,29 +9,29 @@ static __thread int tlsvar = 1;
 #endif
 
 static unsigned __stdcall threadfunc(void* arg) {
-	int id = (int)arg;
-	printf("thread %d, tlsvar %p initially %d\n", id, &tlsvar, tlsvar);
-	tlsvar = id + 100;
-	for (int i = 0; i < 4; i++) {
-		printf("thread %d, tlsvar %p %d\n", id, &tlsvar, tlsvar);
-		tlsvar += 10;
-		Sleep(500);
-	}
-	return 0;
+    int id = (int)arg;
+    printf("thread %d, tlsvar %p initially %d\n", id, &tlsvar, tlsvar);
+    tlsvar = id + 100;
+    for (int i = 0; i < 4; i++) {
+        printf("thread %d, tlsvar %p %d\n", id, &tlsvar, tlsvar);
+        tlsvar += 10;
+        Sleep(500);
+    }
+    return 0;
 }
 
 int main(int argc, char* argv[]) {
-	HANDLE threads[3];
+    HANDLE threads[3];
 
-	for (int i = 0; i < 3; i++) {
-		printf("mainthread, tlsvar %p %d\n", &tlsvar, tlsvar);
-		tlsvar += 10;
-		threads[i] = (HANDLE)_beginthreadex(NULL, 0, threadfunc, (void*)(intptr_t) (i + 1), 0, NULL);
-		Sleep(350);
-	}
-	for (int i = 0; i < 3; i++) {
-		WaitForSingleObject(threads[i], INFINITE);
-		CloseHandle(threads[i]);
-	}
-	return 0;
+    for (int i = 0; i < 3; i++) {
+        printf("mainthread, tlsvar %p %d\n", &tlsvar, tlsvar);
+        tlsvar += 10;
+        threads[i] = (HANDLE)_beginthreadex(NULL, 0, threadfunc, (void*)(intptr_t) (i + 1), 0, NULL);
+        Sleep(350);
+    }
+    for (int i = 0; i < 3; i++) {
+        WaitForSingleObject(threads[i], INFINITE);
+        CloseHandle(threads[i]);
+    }
+    return 0;
 }

hello/hello.c

@@ -2,6 +2,6 @@
 #include <stdio.h>
 
 int main(int argc, char* argv[]) {
-	printf("hello world! %f\n", 42.0);
-	return 0;
+    printf("hello world! %f\n", 42.0);
+    return 0;
 }

hello/hello.cpp

@@ -2,17 +2,17 @@
 
 class Hello {
 public:
-	Hello() {
-		printf("Hello ctor\n");
-	}
-	~Hello() {
-		printf("Hello dtor\n");
-	}
+    Hello() {
+        printf("Hello ctor\n");
+    }
+    ~Hello() {
+        printf("Hello dtor\n");
+    }
 };
 
 Hello global_h;
 
 int main(int argc, char* argv[]) {
-	std::cout<<"Hello world C++"<<std::endl;
-	return 0;
+    std::cout<<"Hello world C++"<<std::endl;
+    return 0;
 }