From 989f9ec5fe82fbe451a0861076aaf19084643f6a Mon Sep 17 00:00:00 2001
From: Bananymous <bananymousosq@gmail.com>
Date: Fri, 7 Apr 2023 02:26:44 +0300
Subject: [PATCH] LibC: remove old unused files

---
 libc/stdio/printf.cpp  | 191 -----------------------------------------
 libc/stdio/putchar.cpp |  17 ----
 libc/stdio/puts.cpp    |   6 --
 3 files changed, 214 deletions(-)
 delete mode 100644 libc/stdio/printf.cpp
 delete mode 100644 libc/stdio/putchar.cpp
 delete mode 100644 libc/stdio/puts.cpp

diff --git a/libc/stdio/printf.cpp b/libc/stdio/printf.cpp
deleted file mode 100644
index 429eecbf..00000000
--- a/libc/stdio/printf.cpp
+++ /dev/null
@@ -1,191 +0,0 @@
-#include <limits.h>
-#include <stdarg.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdint.h>
-#include <string.h>
-
-static bool print(const char* data, size_t len)
-{
-	const unsigned char* bytes = reinterpret_cast<const unsigned char*>(data);
-	for(size_t i = 0; i < len; i++)
-		if (putchar(bytes[i]) == EOF)
-			return false;
-	return true;
-}
-
-template<typename T>
-static bool print_integer(T value, size_t& out_len)
-{
-	char buffer[32] {};
-	int len = 0;
-	bool sign = false;
-
-	if (value < 0)
-	{
-		sign = true;
-		buffer[len++] = ((value % 10 + 10) % 10) + '0';
-		value = -(value / 10);
-	}
-
-	while (value)
-	{
-		buffer[len++] = (value % 10) + '0';
-		value /= 10;
-	}
-
-	if (sign)
-		buffer[len++] = '-';
-	if (len == 0)
-		buffer[len++] = '0';
-
-	for (int i = 0; i < len / 2; i++)
-	{
-		char temp = buffer[i];
-		buffer[i] = buffer[len - i - 1];
-		buffer[len - i - 1] = temp;
-	}
-
-	if (!print(buffer, len))
-		return false;
-
-	out_len = len;
-	return true;
-}
-
-static char bits_to_hex(int bits, bool upper_case)
-{
-	if (bits < 10)
-		return bits + '0';
-	return bits - 10 + (upper_case ? 'A' : 'a');
-}
-
-template<typename T>
-static bool print_hex(T value, bool upper_case, size_t& out_len)
-{
-	char buffer[16] {};
-	int len = 0;
-
-	while (value)
-	{
-		buffer[len++] = bits_to_hex(value & 0xF, upper_case);
-		value >>= 4;
-	}
-
-	if (len == 0)
-		buffer[len++] = '0';
-
-	for (int i = 0; i < len / 2; i++)
-	{
-		char temp = buffer[i];
-		buffer[i] = buffer[len - i - 1];
-		buffer[len - i - 1] = temp;
-	}
-
-	if (!print(buffer, len))
-		return false;
-
-	out_len = len;
-	return true;
-}
-
-int printf(const char* __restrict format, ...)
-{
-	va_list args;
-	va_start(args, format);
-
-	int written = 0;
-
-	while (*format)
-	{
-		size_t max_rem = INT_MAX - written;
-
-		if (format[0] != '%' || format[1] == '%')
-		{
-			if (format[0] == '%')
-				format++;
-			size_t len = 1;
-			while (format[len] && format[len] != '%')
-				len++;
-			if (!print(format, len))
-				return -1;
-			format += len;
-			written += len;
-			continue;
-		}
-
-		const char* format_start = format++;
-
-		if (*format == 'c')
-		{
-			format++;
-			char c = (char)va_arg(args, int);
-			if (!max_rem) // FIXME: EOVERFLOW
-				return -1;
-			if (!print(&c, sizeof(c)))
-				return -1;
-			written++;
-		}
-		else if (*format == 's')
-		{
-			format++;
-			const char* str = va_arg(args, const char*);
-			size_t len = strlen(str);
-			if (max_rem < len) // FIXME: EOVERFLOW
-				return -1;
-			if (!print(str, len))
-				return -1;
-			written += len;
-		}
-		else if (*format == 'd' || *format == 'i')
-		{
-			format++;
-			int value = va_arg(args, int);
-			size_t len;
-			if (!print_integer<int>(value, len))
-				return -1;
-			written += len;
-		}
-		else if (*format == 'u')
-		{
-			format++;
-			unsigned int value = va_arg(args, unsigned int);
-			size_t len;
-			if (!print_integer<unsigned int>(value, len))
-				return -1;
-			written += len;
-		}
-		else if (*format == 'x' || *format == 'X')
-		{
-			format++;
-			unsigned int value = va_arg(args, unsigned int);
-			size_t len;
-			if (!print_hex<unsigned int>(value, *(format - 1) == 'X', len))
-				return -1;
-			written += len;
-		}
-		else if (*format == 'p')
-		{
-			format++;
-			void* ptr = va_arg(args, void*);
-			size_t len;
-			if (!print("0x", 2) || !print_hex<ptrdiff_t>((ptrdiff_t)ptr, false, len))
-				return -1;
-			written += len;
-		}
-		else
-		{
-			format = format_start;
-			size_t len = strlen(format);
-			if (max_rem < len) // FIXME: EOVERFLOW
-				return -1;
-			if (!print(format, len))
-				return -1;
-			written += len;
-			format += len;
-		}
-	}
-
-	va_end(args);
-	return written;
-}
\ No newline at end of file
diff --git a/libc/stdio/putchar.cpp b/libc/stdio/putchar.cpp
deleted file mode 100644
index c26e8569..00000000
--- a/libc/stdio/putchar.cpp
+++ /dev/null
@@ -1,17 +0,0 @@
-#include <stdio.h>
-
-#if defined(__is_libk)
-	#include <kernel/Panic.h>
-#else
-	#include <stdlib.h>
-#endif
-
-int putchar(int c)
-{
-#if defined(__is_libk)
-	Kernel::panic("Please use kprint() instead of stdio");
-#else
-	abort();
-#endif
-	return c;
-}
\ No newline at end of file
diff --git a/libc/stdio/puts.cpp b/libc/stdio/puts.cpp
deleted file mode 100644
index ba661b88..00000000
--- a/libc/stdio/puts.cpp
+++ /dev/null
@@ -1,6 +0,0 @@
-#include <stdio.h>
-
-int puts(const char* str)
-{
-	return printf("%s\n", str);
-}
\ No newline at end of file