LibC: Convert remaining String::format() to formatted()/number()

Userland/Libraries/LibC/dlfcn.cpp

@@ -79,7 +79,7 @@ void* dlopen(const char* filename, int flags)
 
     int fd = open(filename, O_RDONLY);
     if (!fd) {
-        g_dlerror_msg = String::format("Unable to open file %s", filename);
+        g_dlerror_msg = String::formatted("Unable to open file {}", filename);
         return nullptr;
     }
 
@@ -90,21 +90,21 @@ void* dlopen(const char* filename, int flags)
 
     int ret = fstat(fd, &file_stats);
     if (ret < 0) {
-        g_dlerror_msg = String::format("Unable to stat file %s", filename);
+        g_dlerror_msg = String::formatted("Unable to stat file {}", filename);
         return nullptr;
     }
 
     auto loader = ELF::DynamicLoader::construct(filename, fd, file_stats.st_size);
 
     if (!loader->is_valid()) {
-        g_dlerror_msg = String::format("%s is not a valid ELF dynamic shared object!", filename);
+        g_dlerror_msg = String::formatted("{} is not a valid ELF dynamic shared object!", filename);
         return nullptr;
     }
 
     if (!loader->load_from_image(flags,
             0 // total_tls_size = 0, FIXME: Support TLS when using dlopen()
             )) {
-        g_dlerror_msg = String::format("Failed to load ELF object %s", filename);
+        g_dlerror_msg = String::formatted("Failed to load ELF object {}", filename);
         return nullptr;
     }
 

Userland/Libraries/LibC/netdb.cpp

@@ -123,7 +123,7 @@ hostent* gethostbyname(const char* name)
         close(fd);
     });
 
-    auto line = String::format("L%s\n", name);
+    auto line = String::formatted("L{}\n", name);
     int nsent = write(fd, line.characters(), line.length());
     if (nsent < 0) {
         perror("write");
@@ -189,7 +189,7 @@ hostent* gethostbyaddr(const void* addr, socklen_t addr_size, int type)
 
     IPv4Address ipv4_address((const u8*)&((const in_addr*)addr)->s_addr);
 
-    auto line = String::format("R%d.%d.%d.%d.in-addr.arpa\n",
+    auto line = String::formatted("R{}.{}.{}.{}.in-addr.arpa\n",
         ipv4_address[3],
         ipv4_address[2],
         ipv4_address[1],

Userland/Libraries/LibC/termcap.cpp

@@ -144,8 +144,8 @@ static Vector<char> s_tgoto_buffer;
 char* tgoto([[maybe_unused]] const char* cap, [[maybe_unused]] int col, [[maybe_unused]] int row)
 {
     auto cap_str = String(cap);
-    cap_str.replace("%p1%d", String::format("%d", col));
-    cap_str.replace("%p2%d", String::format("%d", row));
+    cap_str.replace("%p1%d", String::number(col));
+    cap_str.replace("%p2%d", String::number(row));
 
     s_tgoto_buffer.clear_with_capacity();
     s_tgoto_buffer.ensure_capacity(cap_str.length());

Userland/Libraries/LibC/unistd.cpp

@@ -129,7 +129,7 @@ int execvpe(const char* filename, char* const argv[], char* const envp[])
         path = "/bin:/usr/bin";
     auto parts = path.split(':');
     for (auto& part : parts) {
-        auto candidate = String::format("%s/%s", part.characters(), filename);
+        auto candidate = String::formatted("{}/{}", part, filename);
         int rc = execve(candidate.characters(), argv, envp);
         if (rc < 0 && errno != ENOENT) {
             errno_rollback.set_override_rollback_value(errno);