From 8bc7e1d523e36f7805c692f859a9ee85519cf5b1 Mon Sep 17 00:00:00 2001
From: Ruslan Isaev <ubijca16@gmail.com>
Date: Wed, 9 Jul 2025 17:23:18 +0300
Subject: [PATCH] syscalls: fix handle_syscall function performing more that 1
 syscall at a time

---
 src/tasking/syscalls.c | 52 +++++++++++++++++++-----------------------
 1 file changed, 23 insertions(+), 29 deletions(-)

diff --git a/src/tasking/syscalls.c b/src/tasking/syscalls.c
index ec5cd2c..1212d1b 100644
--- a/src/tasking/syscalls.c
+++ b/src/tasking/syscalls.c
@@ -239,38 +239,32 @@ void handle_syscall(TrapFrame *tf)
     debug_log("EDX: %X\n", tf->edx);
     */
 
-    if(tf->eax == 1)//exit
+    switch(tf->eax)
     {
-        int r = sys_exit(tf);
-        tf->eax = r;
-    }
+        case 1://exit
+            tf->eax = sys_exit(tf);
+            break;
 
-    if(tf->eax == 2)//fork
-    {
-        int r = sys_fork(tf);
-        debug_log("RRRRRRRR = %X\n", r);
-        tf->eax = r;
-    }
+        case 2://fork
+            tf->eax = sys_fork(tf);
+            break;
     
-    if(tf->eax == 3)//read
-    {
-        int r = sys_read(tf);
-        tf->eax = r;
-    }
+        case 3://read
+            tf->eax = sys_read(tf);
+            break;
 
-    if(tf->eax == 4)//write
-    {
-        int r = sys_write(tf);
-        tf->eax = r;
-    }
-    if(tf->eax == 5)//open
-    {
-        int r = sys_open(tf);
-        tf->eax = r;
-    }
-    if(tf->eax == 6)//close
-    {
-        int r = sys_close(tf);
-        tf->eax = r;
+        case 4://write
+            tf->eax = sys_write(tf);
+            break;
+        case 5://open
+            tf->eax = sys_open(tf);
+            break;
+        case 6://close
+            tf->eax = sys_close(tf);
+            break;
+        default:
+            debug_log("unknown syscall: %X\n", tf->eax);
+            tf->eax = -1;
+            break;
     }
 }
\ No newline at end of file