From 8be204df2b70773d23695e01550c42f1b7c3c92f Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 17 Jul 2025 07:56:57 +0200
Subject: [PATCH] stat-util: add fd_verify_symlink() helper

---
 src/basic/stat-util.c | 4 ++++
 src/basic/stat-util.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/src/basic/stat-util.c b/src/basic/stat-util.c
index 5582c59037..9f2587fadd 100644
--- a/src/basic/stat-util.c
+++ b/src/basic/stat-util.c
@@ -108,6 +108,10 @@ int stat_verify_symlink(const struct stat *st) {
         return 0;
 }
 
+int fd_verify_symlink(int fd) {
+        return verify_stat_at(fd, /* path= */ NULL, /* follow= */ false, stat_verify_symlink, /* verify= */ true);
+}
+
 int is_symlink(const char *path) {
         assert(!isempty(path));
         return verify_stat_at(AT_FDCWD, path, false, stat_verify_symlink, false);
diff --git a/src/basic/stat-util.h b/src/basic/stat-util.h
index 17e712200a..a3c60e43c6 100644
--- a/src/basic/stat-util.h
+++ b/src/basic/stat-util.h
@@ -16,6 +16,7 @@ int is_dir_at(int fd, const char *path, bool follow);
 int is_dir(const char *path, bool follow);
 
 int stat_verify_symlink(const struct stat *st);
+int fd_verify_symlink(int fd);
 int is_symlink(const char *path);
 
 int stat_verify_linked(const struct stat *st);