From a4350fa686a29cbbed738a8b969b6a9228074aa9 Mon Sep 17 00:00:00 2001
From: starnakin <camille@chauvet.pro>
Date: Sat, 7 Sep 2024 00:37:47 +0200
Subject: [PATCH] add: kprintf, kvprintf

---
 headers/kprintf.h     | 19 +++++++++++++++++++
 src/kprint/kprintf.c  | 18 ++++++++++++++++++
 src/kprint/kvprintf.c | 41 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 78 insertions(+)
 create mode 100644 headers/kprintf.h
 create mode 100644 src/kprint/kprintf.c
 create mode 100644 src/kprint/kvprintf.c

diff --git a/headers/kprintf.h b/headers/kprintf.h
new file mode 100644
index 0000000..c90ec5f
--- /dev/null
+++ b/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);
\ No newline at end of file
diff --git a/src/kprint/kprintf.c b/src/kprint/kprintf.c
new file mode 100644
index 0000000..4c3d19c
--- /dev/null
+++ b/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);
+}
\ No newline at end of file
diff --git a/src/kprint/kvprintf.c b/src/kprint/kvprintf.c
new file mode 100644
index 0000000..b4dcfc0
--- /dev/null
+++ b/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);
+		}
+	}
+}
\ No newline at end of file