From 49f58a1c2b7219cf9641c0f5ecc5246da3e58c7d Mon Sep 17 00:00:00 2001
From: Mineplay <tristanfranssen@strawhats.nl>
Date: Fri, 17 Oct 2025 17:05:10 -0500
Subject: [PATCH] feat(console input): added get character function

---
 Include/Iony/Core/Console.h |  2 ++
 Include/Iony/Utils/System.h | 12 ++++++++----
 Src/Core/Console.c          | 30 ++++++++++++++++++++++++++++--
 Tests/Main.c                |  5 +++++
 4 files changed, 43 insertions(+), 6 deletions(-)

diff --git a/Include/Iony/Core/Console.h b/Include/Iony/Core/Console.h
index d52719b..09af028 100644
--- a/Include/Iony/Core/Console.h
+++ b/Include/Iony/Core/Console.h
@@ -26,4 +26,6 @@
 
 IonyError iony_print(const char *text, long length);
 
+IonyError iony_get_character(char *character);
+
 #endif
diff --git a/Include/Iony/Utils/System.h b/Include/Iony/Utils/System.h
index 71c8a66..fa85951 100644
--- a/Include/Iony/Utils/System.h
+++ b/Include/Iony/Utils/System.h
@@ -25,13 +25,17 @@
 
 #if defined(__GNUC__)
 #if defined(__x86_64__)
-#define SYS_WRITE 1
+#define IONY_SYS_READ 0
+#define IONY_SYS_WRITE 1
 #elif defined(__i386__)
-#define SYS_WRITE 4
+#define IONY_SYS_READ 3
+#define IONY_SYS_WRITE 4
 #elif defined(__aarch64__)
-#define SYS_WRITE 64
+#define IONY_SYS_READ 63
+#define IONY_SYS_WRITE 64
 #elif defined(__arm__)
-#define SYS_WRITE 4
+#define IONY_SYS_READ 3
+#define IONY_SYS_WRITE 4
 #endif
 
 static inline long iony_system_call(long number, long argument1, long argument2, long argument3, long argument4, long argument5, long argument6) {
diff --git a/Src/Core/Console.c b/Src/Core/Console.c
index a4b351e..df69d0b 100644
--- a/Src/Core/Console.c
+++ b/Src/Core/Console.c
@@ -20,9 +20,12 @@
  * -----------------------------------------------------------------------------
  */
 #include "../../Include/Iony/Core/Console.h"
+#include "Iony/Utils/Error.h"
 
 #if defined(_WIN32)
 #include <windows.h>
+
+static HANDLE iony_standard_console_in = 0;
 #elif defined(__GNUC__)
 #include "../../Include/Iony/Utils/System.h"
 #endif
@@ -37,13 +40,36 @@ IonyError iony_print(const char *text, const long length) {
     if (standard_console_out_handle == 0) {
         standard_console_out_handle = GetStdHandle(STD_OUTPUT_HANDLE);
     }
-    
+
     DWORD characters_written;
     if (!WriteFile(standard_console_out_handle, text, length, &characters_written, 0)) {
         return IONY_ERROR_SYSTEM_CALL_FAILED;
     }
     #elif defined(__GNUC__)
-    if (iony_system_call(SYS_WRITE, 1, (long)text, length, 0, 0, 0) < 0) {
+    if (iony_system_call(IONY_SYS_WRITE, 1, (long)text, length, 0, 0, 0) < 0) {
+        return IONY_ERROR_SYSTEM_CALL_FAILED;
+    }
+    #endif
+
+    return IONY_ERROR_NONE;
+}
+
+IonyError iony_get_character(char *character) {
+    if (character == 0) {
+        return IONY_ERROR_INVALID_POINTER;
+    }
+
+    #if defined(_WIN32)
+    if (iony_standard_console_in == 0) {
+        iony_standard_console_in = GetStdHandle(STD_INPUT_HANDLE);
+    }
+
+    DWORD characters_read;
+    if (!ReadFile(iony_standard_console_in, character, 1, &characters_read, 0)) {
+        return IONY_ERROR_SYSTEM_CALL_FAILED;
+    }
+    #elif defined(__GNUC__)
+    if (iony_system_call(IONY_SYS_READ, 0, (long)character, 1, 0, 0, 0)) {
         return IONY_ERROR_SYSTEM_CALL_FAILED;
     }
     #endif
diff --git a/Tests/Main.c b/Tests/Main.c
index 357c7c9..18d4eff 100644
--- a/Tests/Main.c
+++ b/Tests/Main.c
@@ -27,5 +27,10 @@ int main(void) {
         return -1;
     }
 
+    char character = ' ';
+    if (iony_get_character(&character) != IONY_ERROR_NONE) {
+        return -1;
+    }
+
     return 0;
 }
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