Separate log and output streams

src/user/app/mkdir/mkdir.c

@@ -1,28 +1,23 @@
 #include "src/lib/syscall.h"
 #include "src/lib/util.h"
 #include "src/user/syscall.h"
-#include <stdint.h>
-
-#define BLOCK_SIZE 65536
-
-#define PRINT_S(s) write(1, s, sizeof(s) - 1);
-#define PRINT_D(s) write(1, s, string_length(s));
 
 exit_code_t main(uint64_t argc, const char **argv) {
   if (argc < 2) {
-    PRINT_S("mkdir: requires target(s)\n");
+    ERR_S("mkdir: requires target(s)\n");
     return EXIT_CODE_GENERAL_FAILURE;
   }
 
+  exit_code_t code = EXIT_CODE_OK;
   for (uint64_t i = 1; i < argc; i++) {
     uint64_t fd = open(argv[i], OPEN_DIRECTORY | OPEN_CREATE | OPEN_EXCLUSIVE);
     if (fd == (uint64_t)-1) {
-      PRINT_S("mkdir: could not create directory\n");
-      return EXIT_CODE_GENERAL_FAILURE;
+      ERR_S("mkdir: could not create directory\n");
+      code = EXIT_CODE_GENERAL_FAILURE;
     } else {
       close(fd);
     }
   }
 
-  return EXIT_CODE_OK;
+  return code;
 }