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@@ -32,34 +32,32 @@
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int main(int argc, char** argv, char** envp)
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{
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- for (int i = 0; i < argc; ++i) {
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- printf("argv[%d]: %s\n", i, argv[i]);
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- }
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+ for (int i = 0; i < argc; ++i)
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+ outln("argv[{}]: {}", i, argv[i]);
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char** env;
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- for (env = envp; *env; ++env) {
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- printf("env: %s\n", *env);
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- }
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+ for (env = envp; *env; ++env)
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+ outln("env: {}", *env);
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+
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for (auxv_t* auxvp = (auxv_t*)++env; auxvp->a_type != AT_NULL; ++auxvp) {
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- printf("AuxVal: Type=%ld, Val/Ptr=%p\n", auxvp->a_type, auxvp->a_un.a_ptr);
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+ outln("AuxVal: Type={}, Val/Ptr={}", auxvp->a_type, auxvp->a_un.a_ptr);
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if (auxvp->a_type == AT_PLATFORM) {
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- printf(" Platform: %s\n", (char*)auxvp->a_un.a_ptr);
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+ outln(" Platform: {}", (char*)auxvp->a_un.a_ptr);
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} else if (auxvp->a_type == AT_EXECFN) {
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- printf(" Filename: %s\n", (char*)auxvp->a_un.a_ptr);
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+ outln(" Filename: {}", (char*)auxvp->a_un.a_ptr);
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} else if (auxvp->a_type == AT_RANDOM) {
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auto byte_ptr = (uint8_t*)auxvp->a_un.a_ptr;
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- printf(" My Random bytes are: ");
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- for (size_t i = 0; i < 16; ++i) {
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- printf("0x%2x ", byte_ptr[i]);
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- }
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- printf("\n");
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+ outln(" My Random bytes are: ");
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+ for (size_t i = 0; i < 16; ++i)
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+ new_out("{:#02x} ", byte_ptr[i]);
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+ outln();
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}
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}
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void* handle = dlopen("/usr/lib/libDynamicLib.so", RTLD_LAZY | RTLD_GLOBAL);
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if (!handle) {
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- printf("Failed to dlopen! %s\n", dlerror());
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+ warnln("Failed to dlopen! {}", dlerror());
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return 1;
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}
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@@ -67,57 +65,57 @@ int main(int argc, char** argv, char** envp)
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int* ptr_global = (int*)dlsym(handle, "global_lib_variable");
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if (!ptr_global) {
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- printf("Failed to dlsym for \"global_lib_variable\"! %s\n", dlerror());
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+ warnln("Failed to dlsym for \"global_lib_variable\"! {}", dlerror());
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return 2;
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}
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- printf("Found global lib variable address: %p\n", ptr_global);
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+ outln("Found global lib variable address: {}", ptr_global);
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- printf("Global lib variable is %d\n", *ptr_global);
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+ outln("Global lib variable is {}", *ptr_global);
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// Test getting a method from the library and calling it
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void (*lib_func)(void) = (void (*)(void))dlsym(handle, "global_lib_function");
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- printf("Found global lib function address: %p\n", lib_func);
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+ outln("Found global lib function address: {}", lib_func);
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if (!lib_func) {
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- printf("Failed to dlsym for \"global_lib_function\"! %s\n", dlerror());
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+ warnln("Failed to dlsym for \"global_lib_function\"! {}", dlerror());
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return 2;
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}
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lib_func();
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- printf("I think I called my lib function!\n");
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+ outln("I think I called my lib function!");
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// Test getting a method that takes and returns arguments now
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const char* (*other_func)(int) = (const char* (*)(int))dlsym(handle, "other_lib_function");
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- printf("Found other lib function address %p\n", other_func);
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+ outln("Found other lib function address {}", other_func);
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if (!other_func) {
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- printf("Failed to dlsym for \"other_lib_function\"! %s\n", dlerror());
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+ warnln("Failed to dlsym for \"other_lib_function\"! {}", dlerror());
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return 2;
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}
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// Call it twice with different arguments
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String formatted_result = other_func(10);
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- printf("(%d + %d = %d) %s\n", *ptr_global, 10, *ptr_global + 10, formatted_result.characters());
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+ outln("({} + {} = {}) {}", *ptr_global, 10, *ptr_global + 10, formatted_result);
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*ptr_global = 17;
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formatted_result = other_func(5);
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- printf("(%d + %d = %d) %s\n", *ptr_global, 5, *ptr_global + 5, formatted_result.characters());
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+ outln("({} + {} = {}) {}", *ptr_global, 5, *ptr_global + 5, formatted_result);
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int ret = dlclose(handle);
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if (ret < 0) {
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- printf("Failed to dlclose! %s\n", dlerror());
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+ warnln("Failed to dlclose! {}", dlerror());
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return 3;
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}
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- printf("Bye for now!\n");
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+ outln("Bye for now!");
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return 0;
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-}
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+}
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