diff -r f49964cf7228 -r bb1e60fada74 dav/system.c
--- a/dav/system.c	Sat Apr 20 17:47:40 2019 +0200
+++ b/dav/system.c	Sat Apr 20 18:46:00 2019 +0200
@@ -32,6 +32,7 @@
 #include <dirent.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <errno.h>
 
 #ifndef _WIN32
 #include <unistd.h>
@@ -111,6 +112,17 @@
     return readlink(path, buffer, size);
 }
 
+int sys_symlink(const char *target, const char *linkpath) {
+    int err = symlink(target, linkpath);
+    if(err && errno == EEXIST) {
+        if(unlink(linkpath)) {
+            return 1;
+        }
+        return sys_symlink(target, linkpath);
+    }
+    return err;
+}
+
 #else
 /* ---------- Windows implementation ---------- */
 
@@ -294,4 +306,10 @@
     return 1;
 }
 
+int sys_symlink(const char *target, const char *linkpath) {
+    // TODO
+    fprintf(stderr, "sys_symlink: implement me\n");
+    return 1;
+}
+
 #endif