From 703af39239b9dbb8a4159cc39fc483e4cc8df1b6 Mon Sep 17 00:00:00 2001
From: mithe24 <mithe24@student.sdu.dk>
Date: Mon, 29 Sep 2025 16:53:18 +0200
Subject: chore: Added provided code snippets

---
 snippets/fileHandling.s | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 snippets/fileHandling.s

(limited to 'snippets/fileHandling.s')

diff --git a/snippets/fileHandling.s b/snippets/fileHandling.s
new file mode 100644
index 0000000..17a9428
--- /dev/null
+++ b/snippets/fileHandling.s
@@ -0,0 +1,16 @@
+# int getFileSize(int fd)
+#
+# 	Returns the size (in bytes) of the file indicated by the file descriptor.
+.section .data
+.Lstat: .space 144 # size of the fstat struct
+.section .text
+.globl getFileSize
+.type getFileSize, @function
+getFileSize:
+	movq $5, %rax # fstat
+	# rdi already contains the fd
+	movq $.Lstat, %rsi # buffer to write fstat data into
+	syscall
+	movq $.Lstat, %rax
+	movq 48(%rax), %rax # position of size in the struct
+	ret
-- 
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