Changed libc structure, shouldn't've added anything new

kernel/kernel.c

@@ -92,7 +92,7 @@ void main() {
     terminal->fg = FG_COLOR;
     terminal->bg = BG_COLOR;
 
-    clear();
+    printf("\x1b[J"); // Clear
     printf("kern.\n\n");
 
     // Run Interactive Shell Program
@@ -123,7 +123,7 @@ void main() {
         }
 
         if (strcmp(argv[0], "clear") == 0) {
-            clear();
+            printf("\x1b[J");
         } else if (strcmp(argv[0], "echo") == 0) {
             if (argc < 2) continue;
 
@@ -151,7 +151,7 @@ void main() {
         } else if (strcmp(argv[0], "exit") == 0) {
             break;
         } else if (strcmp(argv[0], "gfx") == 0) {
-            clear();
+            printf("\x1b[J");
 
             // Draw some stuff :)
             for (size_t i = 0; i < 120; i++) {
@@ -182,7 +182,7 @@ void main() {
             fillCircle(950, 750, 75, rgb(0xa2, 0xd6, 0xf9));
 
             getc(); // Wait until we get a keystroke
-            clear();
+            printf("\x1b[J");
         } else if (strcmp(argv[0], "help") == 0) {
             printf("Available Commands:\n");
             printf(" clear      | Clears the screen\n");

libc/include/math.h

@@ -1,5 +1,5 @@
-#ifndef MATH_H
+#ifndef _MATH_H
-#define MATH_H
+#define _MATH_H
 
 // Constants
 #define PI 3.141592653589 // Should be good enough

libc/include/stdarg.h

@@ -1,5 +1,5 @@
-#ifndef STDARG_H
+#ifndef _STDARG_H
-#define STDARG_H
+#define _STDARG_H
 
 typedef char* va_list;
 #define va_start(ap, paramn) (void)((ap) = (char*)(&(paramn) + 1))

libc/include/stdbool.h

@@ -1,5 +1,5 @@
-#ifndef BOOL_H
+#ifndef _BOOL_H
-#define BOOL_H
+#define _BOOL_H
 
 #define bool _Bool
 #define true 1

libc/include/stddef.h

@@ -1,5 +1,5 @@
-#ifndef STDDEF_H
+#ifndef _STDDEF_H
-#define STDDEF_H
+#define _STDDEF_H
 
 #define NULL ((void*)0)
 

libc/include/stdint.h

@@ -1,5 +1,5 @@
-#ifndef STDINT_H
+#ifndef _STDINT_H
-#define STDINT_H
+#define _STDINT_H
 
 #include <stddef.h>
 
@@ -15,6 +15,4 @@ typedef unsigned short uint16_t;
 typedef unsigned int uint32_t;
 typedef unsigned long long uint64_t;
 
-// TODO: floats
-
 #endif

libc/include/stdio.h

@@ -1,5 +1,5 @@
-#ifndef STDIO_H
+#ifndef _STDIO_H
-#define STDIO_H
+#define _STDIO_H
 
 #include <stddef.h>
 

libc/include/stdlib.h

@@ -1,10 +1,9 @@
-#ifndef STDLIB_H
+#ifndef _STDLIB_H
-#define STDLIB_H
+#define _STDLIB_H
 
-#include <stdint.h>
+#include <stddef.h>
-#include <syscall.h>
 
-void* malloc(const uint32_t size);
+void* malloc(const size_t size);
 void free(const void* ptr);
 
 #endif

libc/include/string.h

@@ -1,23 +1,29 @@
-#ifndef STRING_H
+#ifndef _STRING_H
-#define STRING_H
+#define _STRING_H
 
 #include <stdint.h>
+#include <stddef.h>
 
-void* memcpy(void* src, void* dst, uint32_t length);
+void* memcpy(void* src, void* dst, size_t length);
-void* memcpy32(void* src, void* dst, uint32_t length);
+void* memcpy32(void* src, void* dst, size_t length);
-void* memset(void* dst, uint8_t value, uint32_t length);
+void* memset(void* dst, uint8_t value, size_t length);
+void* memset32(void* dst, uint32_t value, size_t length);
 
-char* itoa(uint32_t val, uint8_t base);
+char* itoa(size_t val, int base);
 uint32_t atoi(const char* str);
-int isSpace(char c);
+
 char* strcpy(char* str1, const char* str2);
 char* strncpy(char* str1, const char* str2, size_t n);
+
 char* strcat(char* str1, const char* str2);
 char* strncat(char* str1, const char* str2, size_t n);
+
 char* strchr(const char* str, char c);
 char* strrchr(const char* str, char c);
+
 int strcmp(const char* str1, const char* str2);
 int strncmp(const char* str1, const char* str2, size_t n);
-uint32_t strlen(const char* str);
+
+size_t strlen(const char* str);
 
 #endif

libc/include/sys/gfx.h

@@ -0,0 +1,15 @@
+#ifndef _SYS_GFX_H
+#define _SYS_GFX_H
+
+#define BLACK   0x00000000 // 0
+#define RED     0x00ff0000 // 1
+#define GREEN   0x0000ff00 // 2
+#define YELLOW  0x00ffff00 // 3
+#define BLUE    0x000000ff // 4
+#define MAGENTA 0x00ff00ff // 5
+#define CYAN    0x0000ffff // 6
+#define WHITE   0x00ffffff // 7
+
+uint32_t codeToColor(uint8_t code);
+
+#endif

libc/include/syscall.h

@@ -1,5 +1,5 @@
-#ifndef SYSCALL_H
+#ifndef _SYSCALL_H
-#define SYSCALL_H
+#define _SYSCALL_H
 
 #include <stddef.h>
 

libc/include/time.h

@@ -1,8 +1,8 @@
-#ifndef TIME_H
+#ifndef _TIME_H
-#define TIME_H
+#define _TIME_H
 
-#include <stdint.h>
+#include <stddef.h>
 
-void sleep(uint32_t ms);
+void sleep(size_t ms);
 
 #endif

libc/math.c

@@ -1,4 +0,0 @@
-#include <math.h>
-
-/* TODO */
-

libc/stdarg.c

@@ -1,10 +0,0 @@
-#ifndef STDARG_H
-#define STDARG_H
-
-typedef char* va_list;
-#define va_start(ap, paramn) (void)((ap) = (char*)(&(paramn) + 1))
-#define va_end(ap) (void)((ap) = 0)
-#define va_arg(ap, type) (((type*)((ap) = ((ap) + sizeof(type))))[-1])
-
-#endif
-

libc/stddef.c

@@ -1,9 +0,0 @@
-#ifndef STDDEF_H
-#define STDDEF_H
-
-#define NULL ((void*)0)
-
-typedef unsigned int size_t;
-typedef signed int ssize_t;
-
-#endif

libc/stdint.c

@@ -1,20 +0,0 @@
-#ifndef STDINT_H
-#define STDINT_H
-
-#include <stddef.h>
-
-// Signed ints
-typedef signed char int8_t;
-typedef signed short int16_t;
-typedef signed int int32_t;
-typedef signed long long int64_t;
-
-// Unsigned ints
-typedef unsigned char uint8_t;
-typedef unsigned short uint16_t;
-typedef unsigned int uint32_t;
-typedef unsigned long long uint64_t;
-
-// TODO: floats
-
-#endif

libc/stdio.c

@@ -1,53 +0,0 @@
-#include <stdio.h>
-#include <syscall.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stddef.h>
-
-FILE* stdin;
-FILE* stdout;
-FILE* stderr;
-
-void putc(char c) {
-    // write(stdout, &c, 1); TODO: This doesn't work and we need to use a static variable
-    static char _c;
-    _c = c;
-    write(1, &_c, 1);
-}
-
-char getc() {
-    char* c = (char*)0x2100;
-    *c= '\0';
-    while (*c == '\0') { __asm__ volatile ("hlt"); }
-    return *c;
-}
-
-void print(const char* s) {
-    write(1, s, strlen(s));
-}
-
-void clear() {
-    print("\x1b[J");
-}
-
-// Reads until a newline
-// TODO: Use Read() Syscall
-void reads(char* buffer) {
-    char c;
-    int len = 0;
-
-    while ((c = getc()) != '\n') {
-        if (c == '\b') {
-            if (len < 1) continue; // Can we backspace?
-            len--;
-            putc(c);
-        } else {
-            buffer[len++] = c;
-            putc(c);
-        }
-    }
-
-    putc(c); // Print the newline
-    buffer[len] = '\0'; // Null terminate
-}
-

libc/stdio/char.c

@@ -0,0 +1,17 @@
+#include <syscall.h>
+#include <stdio.h>
+
+void putc(char c) {
+    // write(stdout, &c, 1); TODO: This doesn't work and we need to use a static variable
+    static char _c;
+    _c = c;
+    write(1, &_c, 1);
+}
+
+char getc() {
+    char* c = (char*)0x2100; // TODO: Don't use a random looking memory address -_('-')_-
+    *c= '\0';
+    while (*c == '\0') { __asm__ volatile ("hlt"); }
+    return *c;
+}
+

libc/stdio/file.c

@@ -3,6 +3,10 @@
 #include <stdlib.h>
 #include <stddef.h>
 
+FILE* stdin;
+FILE* stdout;
+FILE* stderr;
+
 FILE* fopen(const char* filename, const char* mode) {
     int oflag = O_RDWR | O_CREAT | O_BIN; // TODO!
 

libc/stdio/printf.c

@@ -1,9 +1,9 @@
-#include <stdio.h>
 #include <syscall.h>
 #include <string.h>
 #include <stdlib.h>
 #include <stddef.h>
 #include <stdarg.h>
+#include <stdio.h>
 
 // Warning: returns an allocated buffer, must be freed!
 char* _format(const char* fmt, va_list args) {
@@ -123,3 +123,7 @@ int printf(const char* fmt, ...) {
     return len;
 }
 
+void print(const char* s) {
+    write(1, s, strlen(s));
+}
+

libc/stdio/read.c

@@ -0,0 +1,23 @@
+#include <stdio.h>
+
+// Reads until a newline
+// TODO: Use Read() Syscall
+void reads(char* buffer) {
+    char c;
+    int len = 0;
+
+    while ((c = getc()) != '\n') {
+        if (c == '\b') {
+            if (len < 1) continue; // Can we backspace?
+            len--;
+            putc(c);
+        } else {
+            buffer[len++] = c;
+            putc(c);
+        }
+    }
+
+    putc(c); // Print the newline
+    buffer[len] = '\0'; // Null terminate
+}
+

libc/string.c

@@ -1,136 +0,0 @@
-#include <string.h>
-#include <stdint.h>
-
-// Source: http://www.strudel.org.uk/itoa/
-char* itoa(uint32_t val, uint8_t base) {
-    static char buf[32] = { 0 };
-    
-    if (base == 0 || base > 16) { return NULL; }
-
-    if (val == 0) {
-        buf[0] = '0';
-        return buf;
-    }
- 
-    int i;
-    for (i = 30; val && i; i--, val /= base) {
-        buf[i] = "0123456789abcdef"[val % base];
-    }
-
-    return &buf[i + 1];
-}
-
-uint32_t atoi(const char* str) {
-    uint32_t res = 0;
-
-    // TODO: Add error checking
-
-    while (*str >= '0' && *str <= '9') {
-        res = res * 10 + (*str++ - '0');
-    }
-
-    return res;
-}
-
-int isSpace(char c) {
-    if (c == ' ' || c == '\t' || c == '\n') return 1;
-    else return 0;
-}
-
-// Some implementations taken from https://en.wikibooks.org/wiki/C_Programming/String_manipulation
-char* strcpy(char* str1, const char* str2) {
-    char* dst = str1;
-    const char* src = str2;
-    while ((*dst++ = *src++) != '\0');
-    return str1;
-}
-
-char* strncpy(char* str1, const char* str2, size_t n) {
-    char* dst = str1;
-    const char* src = str2;
-    while (n > 0) {
-        n--;
-        if ((*dst++ = *src++) == '\0') {
-            memset(dst, '\0', n);
-            break;
-        }
-    }
-    return str1;
-}
-
-char* strcat(char* str1, const char* str2) {
-    char* s = str1;
-    while (*s != '\0') { s++; }
-    strcpy(s, str2);
-    return str1;
-}
-
-char* strncat(char* str1, const char* str2, size_t n) {
-    char* s = str1;
-    while (*s != '\0') { s++; }
-    strncpy(s, str2, n);
-    return str1;
-}
-
-char* strchr(const char* str, char c) {
-    const char* s = str;
-    while (*s != '\0' && *s != c) { s++; }
-    return (*s == c) ? (char*)s : NULL;
-}
-
-char* strrchr(const char* str, char c) { return NULL; } // TODO
-
-int strcmp(const char* str1, const char* str2) {
-    while (*str1 != '\0' && *str1 == *str2) {
-        str1++;
-        str2++;
-    }
-
-    uint8_t c1 = (*(uint8_t*)str1);
-    uint8_t c2 = (*(uint8_t*)str2);
-
-    return ((c1 < c2) ? -1 : (c1 > c2));
-}
-
-int strncmp(const char* str1, const char* str2, size_t n) {
-    if (n == 0) { return 0; }
-    while (n-- > 0 && *str1 == *str2) {
-        if (n == 0 || *str1 == '\0') { return 0; }
-        str1++;
-        str2++;
-    }
-
-    uint8_t c1 = (*(uint8_t*)str1);
-    uint8_t c2 = (*(uint8_t*)str2);
-
-    return ((c1 < c2) ? -1 : (c1 > c2));
-}
-
-uint32_t strlen(const char* str) {
-    const char* p = str;
-    while (*++p != '\0');
-    return (uint32_t)(p - str);
-}
-
-// Memory functions
-void* memcpy(void* src, void* dst, uint32_t length) {
-    for (uint32_t i = 0; i < length; i++) {
-        *((uint8_t*)dst + i) = *((uint8_t*)src + i);
-    }
-    return dst;
-}
-
-void* memcpy32(void* src, void* dst, uint32_t length) {
-    for (uint32_t i = 0; i * 4 < length; i++) {
-        *((uint32_t*)dst + i) = *((uint32_t*)src + i);
-    }
-    return dst;
-}
-
-void* memset(void* dst, uint8_t value, uint32_t length) {
-    for (uint32_t i = 0; i < length; i++) {
-        *(uint8_t*)(dst + i) = value;
-    }
-    return dst;
-}
-

libc/string/atoi.c

@@ -0,0 +1,13 @@
+#include <string.h>
+
+unsigned int atoi(const char* str) {
+    unsigned int res = 0;
+
+    // TODO: Add error checking
+
+    while (*str >= '0' && *str <= '9') {
+        res = res * 10 + (*str++ - '0');
+    }
+
+    return res;
+}

libc/string/itoa.c

@@ -0,0 +1,20 @@
+#include <string.h>
+
+// Source: http://www.strudel.org.uk/itoa/
+char* itoa(size_t val, int base) {
+    static char buf[32] = { 0 };
+    
+    if (base == 0 || base > 16) { return NULL; }
+
+    if (val == 0) {
+        buf[0] = '0';
+        return buf;
+    }
+ 
+    int i;
+    for (i = 30; val && i; i--, val /= base) {
+        buf[i] = "0123456789abcdef"[val % base];
+    }
+
+    return &buf[i + 1];
+}

libc/string/memcpy.c

@@ -0,0 +1,17 @@
+#include <string.h>
+#include <stdint.h>
+
+void* memcpy(void* src, void* dst, uint32_t length) {
+    for (uint32_t i = 0; i < length; i++) {
+        *((uint8_t*)dst + i) = *((uint8_t*)src + i);
+    }
+    return dst;
+}
+
+void* memcpy32(void* src, void* dst, uint32_t length) {
+    for (uint32_t i = 0; i * 4 < length; i++) {
+        *((uint32_t*)dst + i) = *((uint32_t*)src + i);
+    }
+    return dst;
+}
+

libc/string/memset.c

@@ -0,0 +1,18 @@
+#include <string.h>
+#include <stdint.h>
+#include <stddef.h>
+
+void* memset(void* dst, uint8_t value, size_t length) {
+    for (size_t i = 0; i < length; i++) {
+        *(uint8_t*)(dst + i) = value;
+    }
+    return dst;
+}
+
+void* memset32(void* dst, uint32_t value, size_t length) {
+    for (size_t i = 0; i < length; i++) {
+        *(uint32_t*)(dst + i) = value;
+    }
+    return dst;
+}
+

libc/string/strcat.c

@@ -0,0 +1,15 @@
+#include <string.h>
+
+char* strcat(char* str1, const char* str2) {
+    char* s = str1;
+    while (*s != '\0') { s++; }
+    strcpy(s, str2);
+    return str1;
+}
+
+char* strncat(char* str1, const char* str2, size_t n) {
+    char* s = str1;
+    while (*s != '\0') { s++; }
+    strncpy(s, str2, n);
+    return str1;
+}

libc/string/strchr.c

@@ -0,0 +1,10 @@
+#include <string.h>
+
+char* strchr(const char* str, char c) {
+    const char* s = str;
+    while (*s != '\0' && *s != c) { s++; }
+    return (*s == c) ? (char*)s : NULL;
+}
+
+char* strrchr(const char* str, char c) { return NULL; } // TODO
+

libc/string/strcmp.c

@@ -0,0 +1,27 @@
+#include <string.h>
+
+int strcmp(const char* str1, const char* str2) {
+    while (*str1 != '\0' && *str1 == *str2) {
+        str1++;
+        str2++;
+    }
+
+    uint8_t c1 = (*(uint8_t*)str1);
+    uint8_t c2 = (*(uint8_t*)str2);
+
+    return ((c1 < c2) ? -1 : (c1 > c2));
+}
+
+int strncmp(const char* str1, const char* str2, size_t n) {
+    if (n == 0) { return 0; }
+    while (n-- > 0 && *str1 == *str2) {
+        if (n == 0 || *str1 == '\0') { return 0; }
+        str1++;
+        str2++;
+    }
+
+    uint8_t c1 = (*(uint8_t*)str1);
+    uint8_t c2 = (*(uint8_t*)str2);
+
+    return ((c1 < c2) ? -1 : (c1 > c2));
+}

libc/string/strcpy.c

@@ -0,0 +1,22 @@
+#include <string.h>
+
+char* strcpy(char* str1, const char* str2) {
+    char* dst = str1;
+    const char* src = str2;
+    while ((*dst++ = *src++) != '\0');
+    return str1;
+}
+
+char* strncpy(char* str1, const char* str2, size_t n) {
+    char* dst = str1;
+    const char* src = str2;
+    while (n > 0) {
+        n--;
+        if ((*dst++ = *src++) == '\0') {
+            memset(dst, '\0', n);
+            break;
+        }
+    }
+    return str1;
+}
+

libc/string/strlen.c

@@ -0,0 +1,8 @@
+#include <string.h>
+#include <stddef.h>
+
+size_t strlen(const char* str) {
+    const char* p = str;
+    while (*++p != '\0');
+    return (size_t)(p - str);
+}

libc/sys/gfx/color.c

@@ -1,5 +1,5 @@
 #include <stdint.h>
-#include <color.h>
+#include <sys/gfx.h>
 
 uint32_t codeToColor(uint8_t code) {
     switch (code) {

libc/time/sleep.c

@@ -5,3 +5,4 @@
 void sleep(uint32_t ms) {
     syscall(SYS_SLEEP, ms, 0, 0);
 }
+

libk/tty/tty.c

@@ -5,7 +5,7 @@
 #include <string.h>
 #include <stdint.h>
 #include <stdbool.h>
-#include <color.h>
+#include <sys/gfx.h>
 
 terminal_t* terminal = (terminal_t*)TERMINAL_INFO_LOC;
 

make.defaults

@@ -10,8 +10,8 @@ AS = nasm
 MAKE = make
 
 # Flags
-CFLAGS =    -Wall -Wextra -Wpedantic -Wno-pointer-sign -Wno-pointer-arith\
+CFLAGS =    -Wall -Wextra -Wno-pointer-sign -Wno-pointer-arith -Wno-unused-parameter\
-            -Os -std=c17 -nostdinc -g\
+            -Os -std=c17 -nostdinc -g -Werror\
             -ffreestanding -fno-stack-protector -fno-builtin -fno-pie\
             -m32 -mgeneral-regs-only -march=i386
 LDFLAGS =   -z notext -melf_i386 -nostdlib

todo.txt

@@ -25,6 +25,7 @@ Legend:
         - [x] makefile
         - [?] probably a full rewrite
     - [ ] filesystem
+        - [ ] use Ext1
         - [ ] sysroot
         - [ ] good buildutil
         - [ ] proper file organization
@@ -32,8 +33,9 @@ Legend:
 
 - [ ] LIBC
     - [ ] assert.h
-    - [ ] ctype.h
+    - [ ] complex.h (idk why we would need this)
-    - [ ] errno.h
+    - [x] ctype.h
+    - [x] errno.h
     - [ ] fcntl.h
     - [ ] float.h
     - [ ] limits.h
@@ -45,6 +47,7 @@ Legend:
     - [ ] stddef.h
     - [ ] stdint.h
     - [ ] stdio.h
+    - [ ] syscall.h
     - [ ] time.h
     - [ ] unistd.h (do we do POSIX?)
     - [ ] wchar.h (we would need text support for wide chars ig?)