Many debugging/serial improvements

Sorry for the little information, but I did many things :)

2 files changed, 6 insertions, 8 deletions

diff --git a/src/userspace/mlibc/stdio/readline.c b/src/userspace/mlibc/stdio/readline.c
index 91b5da0..8937702 100644
--- a/src/userspace/mlibc/stdio/readline.c
+++ b/src/userspace/mlibc/stdio/readline.c
@@ -1,16 +1,14 @@
-#include <syscall.h>
-#include <mlibc/string.h>
+#include <mlibc/stdlib.h>
 #include <mlibc/stdio.h>
 
 char *readline()
 {
-    char *ret = "";
+    char ret[256] = {'\0'};
     char buf = 0;
     while (buf != '\n') {
         buf = getch();
         writec(buf);
         strcpy(ret, &buf);
     }
-    strcpy(ret, &buf);
     return ret;
 }
\ No newline at end of file
diff --git a/src/userspace/mlibc/stdio/vprintf.c b/src/userspace/mlibc/stdio/vprintf.c
index 1d43c77..2536b79 100644
--- a/src/userspace/mlibc/stdio/vprintf.c
+++ b/src/userspace/mlibc/stdio/vprintf.c
@@ -3,7 +3,7 @@
 #include <mlibc/stdio.h>
 #include <mlibc/stdlib.h>
 
-void __writes(const char *data)
+void _writes(const char *data)
 {
     for (size_t i = 0; i < strlen(data); i++) writec(data[i]);
 }
@@ -25,16 +25,16 @@ void vprintf(const char *fmt, va_list args)
             buff = *fmt;
             if (buff == 's') {
                 const char *str = va_arg(args, const char*);
-                __writes(str);
+                _writes(str);
                 readyToFormat = 0;
             } else if (buff == 'x') {
                 char *p = htoa((uint32_t) va_arg(args, int));
-                __writes(p);
+                _writes(p);
                 free(p);
                 readyToFormat = 0;
             } else if (buff == 'd') {
                 char *p = itoa(va_arg(args, int));
-                __writes(p);
+                _writes(p);
                 free(p);
                 readyToFormat = 0;
             } else if (buff == 'c') {