Basic utf8 output idk

axl_io.c

@@ -2,27 +2,57 @@
 #include <windows.h>
 #include "axl_string.h"
 
-i8 axl_putchar(i32 c)
+i32 axl_putchar(i32 c)
 {
+    u8 buf[4];
+    int len = 0;
+    
+    if (c <= 0x7F)
+    {
+        buf[0] = (u8)c;
+        len = 1;
+    }
+    else if (c <= 0x07FF) 
+    {
+        buf[0] = 0xC0 | (u8)(c >> 6);
+        buf[1] = 0x80 | (u8)(c & 0x3F);
+        len = 2;
+    }
+    else if (c <= 0xFFFF) 
+    {
+        buf[0] = 0xE0 | (u8)(c >> 12);
+        buf[1] = 0x80 | (u8)((c >> 6) & 0x3F);
+        buf[2] = 0x80 | (u8)(c & 0x3F);
+        len = 3;
+    }
+    else if (c <= 0x10FFFF) 
+    {
+        buf[0] = 0xF0 | (u8)(c >> 18);
+        buf[1] = 0x80 | (u8)((c >> 12) & 0x3F);
+        buf[2] = 0x80 | (u8)((c >> 6) & 0x3F);
+        buf[3] = 0x80 | (u8)(c & 0x3F);
+        len = 4;
+    }
+    else 
+    {
+        return AXL_EOF;
+    }
+    
     HANDLE console_handle = GetStdHandle(STD_OUTPUT_HANDLE);
-
-    if(console_handle == INVALID_HANDLE_VALUE)
+    if (console_handle == INVALID_HANDLE_VALUE) 
     {
         return AXL_EOF;
     }
     
-    i8 char_to_write = (i8)c;
     DWORD bytes_written = 0;
+    BOOL status = WriteConsoleA(console_handle, buf, len, &bytes_written, NULL);
     
-    BOOL status = WriteConsoleA(console_handle, &char_to_write, 1, 
-                                &bytes_written, NULL);
-
-    if(!status || bytes_written != 1)
+    if (!status || bytes_written != (DWORD)len)
     {
         return AXL_EOF;
     }
     
-    return char_to_write;
+    return c;
 }
 
 i32 axl_puts(const i8* str)

axl_io.h

@@ -4,7 +4,7 @@
 #define AXL_EOF -1 
 #define AXL_SUCCESS 0
 
-i8  axl_putchar(i32 c);
+i32  axl_putchar(i32 c);
 i32 axl_puts(const i8* str);
 
 #endif // !AXL_IO_H

main.c

@@ -1,15 +1,21 @@
 #include "axl.h"
+#include <windows.h>
 
 int _start(void)
 {
+    SetConsoleOutputCP(CP_UTF8);
     axl_init();
 
-    axl_puts("Potato activated"); 
-    axl_puts("Quack quack motherducker");
-    axl_puts("Meowdy partner");
-    axl_puts("I am a meat popsicle");
-    axl_puts("My spoon is too big");
-    axl_puts("Blin!");
+    axl_puts("Привет, мир!");
+    axl_puts("Hello, world!");
+    axl_puts("Bonjour le monde!");
+    axl_puts("Hola mundo!");
+    axl_puts("こんにちは世界！");
+    axl_puts("你好世界！");
+    axl_puts("안녕하세요 세계!");
+    axl_puts("สวัสดีชาวโลก!");
+    axl_puts("नमस्ते दुनिया!");
+    axl_puts("مرحبا بالعالم!");
 
     void* fds = axl_malloc(83);