Switch: to freestanding stdint and stdbool headers

makefile

@@ -1,5 +1,5 @@
 CC = i386-elf-7.5.0-Linux-x86_64/bin/i386-elf-gcc
-CFLAGS = -g -Wall -Wextra -Wno-builtin-declaration-mismatch -c -I src/
+CFLAGS = -ffreestanding -g -Wall -Wextra -Wno-builtin-declaration-mismatch -c -I src/
 LDFLAGS = -T link.ld -melf_i386
 AS = nasm
 ASFLAGS = -f elf

src/drivers/ata.c

@@ -1,4 +1,4 @@
-#include "../libc/stdint.h" 
+#include <stdint.h>
 #include "../kernel/io.h"
 #include "../libc/stdio.h"
 

src/drivers/ata.h

@@ -1,6 +1,8 @@
 #ifndef ATA_H
 #define ATA_H
 
+#include <stdint.h>
+
 void ata_read_sector(uint32_t lba, uint8_t* buffer);
 void test_read_sector();
 

src/drivers/framebuffer.c

@@ -1,4 +1,4 @@
-#include "../libc/stdint.h"
+#include <stdint.h>
 #include "framebuffer.h"
 #include "serial.h"
 #include "../kernel/system.h"

src/drivers/framebuffer.h

@@ -1,6 +1,8 @@
 #ifndef FRAMEBUFFER_H
 #define FRAMEBUFFER_H
 
+#include <stdint.h>
+
 #define PSF1_FONT_MAGIC 0x0436
 
 typedef struct {
@@ -9,7 +11,6 @@ typedef struct {
     uint8_t characterSize; // PSF character size.
 } PSF1_Header;
 
-
 #define PSF_FONT_MAGIC 0x864ab572
 
 typedef struct {

src/kernel/io.h

@@ -1,7 +1,7 @@
 #ifndef INCLUDE_IO_H
 #define INCLUDE_IO_H
 
-#include "../libc/stdint.h"
+#include <stdint.h>
 
 void outb(unsigned short port, unsigned char data);
 unsigned char inb(unsigned short port);

src/kernel/kheap.c

@@ -1,6 +1,6 @@
 #include "kheap.h"
 
-#include "../libc/stdint.h"
+#include <stdint.h>
 
 extern uint32_t end;
 uint32_t placement_address = (uint32_t)&end;

src/kernel/kheap.h

@@ -1,7 +1,7 @@
 #ifndef KHEAP_H
 #define KHEAP_H
 
-#include "../libc/stdint.h"
+#include <stdint.h>
 
 uint32_t kmalloc_a(uint32_t sz);
 uint32_t kmalloc_p(uint32_t sz, uint32_t *phys);

src/kernel/kmain.c

@@ -5,7 +5,7 @@
 #include "system.h"
 #include "paging.h"
 #include "../drivers/ata.h"
-#include "../libc/stdint.h" 
+#include <stdint.h>
 #include "../drivers/framebuffer.h"
 
 typedef struct {

src/kernel/paging.c

@@ -1,4 +1,4 @@
-#include "../libc/stdint.h"
+#include <stdint.h>
 #include "paging.h"
 #include "../libc/stdio.h"
 #include "system.h"

src/kernel/paging.h

@@ -2,7 +2,7 @@
 #define PAGING_H
 
 #include "system.h"
-#include "../libc/stdint.h"
+#include <stdint.h>
 typedef struct
 {
 	uint32_t present	: 1;

src/kernel/shell.c

@@ -2,7 +2,7 @@
 #include "../libc/stdio.h"
 #include "../libc/string.h"
 #include "../programs/programs.h"
-#include "../libc/stdint.h"
+#include <stdint.h>
 
 #define BUFFER_SIZE 256
 #define MAX_COMMANDS 16

src/kernel/system.c

@@ -1,5 +1,5 @@
 #include "system.h"
-#include "../libc/stdint.h"
+#include <stdint.h>
 
 void *memset(void *dest, char val, size_t count)
 {

src/kernel/system.h

@@ -1,9 +1,10 @@
 #ifndef SYSTEM_H
 #define SYSTEM_H
 
-#include "../libc/stdint.h"
+#include <stdint.h>
 
 typedef int size_t;
+#define NULL ((void*)0)
 
 void *memset(void *dest, char val, size_t count);
 void *memmove(void* dest, const void* src, size_t n);

src/libc/crypto.c

@@ -1,5 +1,5 @@
 #include "crypto.h"
-#include "../libc/stdint.h"
+#include <stdint.h>
 
 int lcg(int seed)
 {

src/libc/crypto.h

@@ -3,7 +3,7 @@
 
 #define RAND_MAX 1024
 
-#include "../libc/stdint.h"
+#include <stdint.h>
 
 int lcg(int seed);
 int randint(int seed);

src/libc/ctype.c

@@ -1,5 +1,6 @@
 
-#include "stdint.h"
+#include <stdint.h>
+#include <stdbool.h>
 
 bool isdigit(char c)
 {

src/libc/ctype.h

@@ -1,7 +1,7 @@
 #ifndef CTYPE_H
 #define CTYPE_H
 
-#include "stdint.h"
+#include <stdbool.h>
 
 bool isdigit(char c);
 bool isspace(char c);

src/libc/stdint.h

@@ -1,24 +0,0 @@
-#ifndef INCLUDE_STDINT_H
-#define INCLUDE_STDINT_H
-
-typedef signed char int8_t;
-typedef unsigned char uint8_t;
-
-typedef signed short int16_t;
-typedef unsigned short uint16_t;
-
-typedef signed long int int32_t;
-typedef unsigned long int uint32_t;
-
-typedef signed long long int int64_t;
-typedef unsigned long long int uint64_t;
-
-typedef uint8_t bool;
-#define true 1
-#define false 0
-
-#define NULL ((void*)0)
-
-typedef unsigned int uintptr_t;
-
-#endif

src/libc/stdio.c

@@ -1,7 +1,7 @@
 #include "../kernel/io.h"
 #include "stdio.h"
 #include "string.h"
-#include "stdint.h"
+#include <stdint.h>
 #include "../kernel/system.h"
 #include "../drivers/framebuffer.h"
 #include "../drivers/serial.h"

src/libc/stdio.h

@@ -1,7 +1,8 @@
 #ifndef INCLUDE_STDIO_H
 #define INCLUDE_STDIO_H
 
-#include "stdint.h"
+#include <stdint.h>
+#include <stdbool.h>
 
 #define FB_GREEN      2
 #define FB_DARK_GREY  8

src/libc/string.c

@@ -1,4 +1,5 @@
-#include "stdint.h"
+#include <stdint.h>
+#include "../kernel/system.h"
 
 int strlen(const char* str)
 {

src/programs/ciphers.c

@@ -33,7 +33,7 @@ void program_rot13()
 }
 
 #include "../libc/string.h"
-#include "../libc/stdint.h"
+#include <stdint.h>
 
 const char* morse_alphabet[] = {
     ".-",   // A

src/programs/conway.c

@@ -2,7 +2,7 @@
 #include "../libc/stdio.h"
 #include "../kernel/system.h"
 #include "../libc/crypto.h"
-#include "../libc/stdint.h"
+#include <stdint.h>
 #include "../drivers/serial.h"
 #include "../libc/string.h"
 

src/programs/math.c

@@ -1,6 +1,6 @@
 // Math expression lexer and parser
 
-#include "../libc/stdint.h"
+#include <stdint.h>
 #include "../kernel/system.h"
 #include "../libc/stdio.h"
 #include "../libc/ctype.h"

src/programs/primes.c

@@ -1,4 +1,4 @@
-#include "../libc/stdint.h"
+#include <stdint.h>
 #include "../libc/stdio.h"
 #include "../kernel/system.h"