From fc00c656c96528112d05cf0edf8631bd5eaea446 Mon Sep 17 00:00:00 2001
From: Kacper <kacper@mail.openlinux.dev>
Date: Sun, 7 Dec 2025 20:10:31 +0100
Subject: Add build system scaffolding and libc headers

---
 lib/libc/stdio/ftell.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 lib/libc/stdio/ftell.c

(limited to 'lib/libc/stdio/ftell.c')

diff --git a/lib/libc/stdio/ftell.c b/lib/libc/stdio/ftell.c
new file mode 100644
index 00000000..c28fe143
--- /dev/null
+++ b/lib/libc/stdio/ftell.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <limits.h>
+#include <errno.h>
+
+long ftell(FILE *stream)
+{
+	off_t pos;
+
+	if ((pos = ftello(stream)) > LONG_MAX) {
+		errno = EOVERFLOW;
+		return -1;
+	}
+
+	return pos;
+}
-- 
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