add: kprintf, kvprintf

headers/kprintf.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <stdarg.h>
+
+enum print_level {
+    KERN_EMERG,
+    KERN_ALERT,
+    KERN_CRIT,
+    KERN_ERR,
+    KERN_WARNING,
+    KERN_NOTICE,
+    KERN_INFO,
+    KERN_DEBUG,
+    KERN_DEFAULT,
+    KERN_CONT
+}
+
+int kprintf(enum print_level level, const char *restrict format, ...);
+int vprintf(enum print_level level, const char *restrict format, va_list ap);

src/kprint/kprintf.c

@@ -0,0 +1,18 @@
+#include "../../headers/kprint.h"
+#include "../../headers/string.h"
+#include "../../headers/terminal.h"
+#include "../../headers/ctype.h"
+
+#include <stdarg.h>
+
+int kprintf(int level, const char *restrict format, ...)
+{
+    va_list	va;
+	int		i;
+
+	va_start(va, format);
+	i = ft_vdprintf(level, format, va);
+	va_end(va);
+
+	return (i);
+}

src/kprint/kvprintf.c

@@ -0,0 +1,41 @@
+#include "../../headers/kprint.h"
+#include "../../headers/string.h"
+#include "../../headers/terminal.h"
+#include "../../headers/ctype.h"
+
+#include <stdarg.h>
+
+static int print_flag(char flag, va_list ap)
+{
+	switch (flag) {
+		case 'i':
+			return terminal_writelong(va_arg(ap, int));
+		case 'd':
+			return terminal_writelong(va_arg(ap, int));
+		case 'c':
+			return terminal_putchar(va_arg(ap, int));
+		case 's':
+			return terminal_writestring(va_arg(ap, char *));
+	}
+}
+
+int kvprintf(int level, const char *restrict format, va_list ap)
+{
+	const char *start = format;
+	const char *flag;
+	long padding;
+
+	while (*start != '\0') {
+		flag = strchr(start, '%');
+		if (flag != NULL) {
+			padding = atoll(start + 1);
+			for (; isdigit(*padding); padding++);
+			print_flag(*padding, ap);
+			start = padding + 1;
+		}
+		else {
+			terminal_writestring(start);
+			start += strlen(start);
+		}
+	}
+}