From 88b3e68f93fad5681b27b11ddacc562b03d5ef45 Mon Sep 17 00:00:00 2001
From: bruvzg <7645683+bruvzg@users.noreply.github.com>
Date: Mon, 8 Apr 2024 22:09:34 +0300
Subject: [FileAccess] Implement `resize` method.

---
 drivers/unix/file_access_unix.cpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'drivers/unix/file_access_unix.cpp')

diff --git a/drivers/unix/file_access_unix.cpp b/drivers/unix/file_access_unix.cpp
index a35d8bfdde..210507c2c6 100644
--- a/drivers/unix/file_access_unix.cpp
+++ b/drivers/unix/file_access_unix.cpp
@@ -286,6 +286,23 @@ Error FileAccessUnix::get_error() const {
 	return last_error;
 }
 
+Error FileAccessUnix::resize(int64_t p_length) {
+	ERR_FAIL_NULL_V_MSG(f, FAILED, "File must be opened before use.");
+	int res = ::ftruncate(fileno(f), p_length);
+	switch (res) {
+		case 0:
+			return OK;
+		case EBADF:
+			return ERR_FILE_CANT_OPEN;
+		case EFBIG:
+			return ERR_OUT_OF_MEMORY;
+		case EINVAL:
+			return ERR_INVALID_PARAMETER;
+		default:
+			return FAILED;
+	}
+}
+
 void FileAccessUnix::flush() {
 	ERR_FAIL_NULL_MSG(f, "File must be opened before use.");
 	fflush(f);
-- 
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