From 2d6da2e52066067e4c82a2e16f73438319e1db81 Mon Sep 17 00:00:00 2001
From: Benny Baumann <BenBE@geshi.org>
Date: Thu, 29 Oct 2020 23:02:57 +0100
Subject: Add compat wrapper for readlinkat

---
 Compat.c | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

(limited to 'Compat.c')

diff --git a/Compat.c b/Compat.c
index 25aa9f73..6401f696 100644
--- a/Compat.c
+++ b/Compat.c
@@ -13,9 +13,7 @@ in the source distribution for its full text.
 #include <sys/stat.h>
 
 #include "Compat.h"
-#ifndef HAVE_FSTATAT
 #include "XUtils.h"
-#endif
 
 
 int Compat_fstatat(int dirfd,
@@ -44,3 +42,27 @@ int Compat_fstatat(int dirfd,
 
 #endif
 }
+
+int Compat_readlinkat(int dirfd,
+                      const char* dirpath,
+                      const char* pathname,
+                      char* buf,
+                      size_t bufsize) {
+
+#ifdef HAVE_READLINKAT
+
+   (void)dirpath;
+
+   return readlinkat(dirfd, pathname, buf, bufsize);
+
+#else
+
+   (void)dirfd;
+
+   char path[4096];
+   xSnprintf(path, sizeof(path), "%s/%s", dirpath, pathname);
+
+   return readlink(path, buf, bufsize);
+
+#endif
+}
-- 
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