From e6431ce2a9a0f1cbd6ac6aed717227f7a4f4f102 Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Sun, 25 Apr 2021 19:56:05 +0100
Subject: [PATCH] Implement links for Atari ST.

---
 setter/src/atarist/links.c | 69 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 68 insertions(+), 1 deletion(-)

diff --git a/setter/src/atarist/links.c b/setter/src/atarist/links.c
index 3f9456f..239ec83 100644
--- a/setter/src/atarist/links.c
+++ b/setter/src/atarist/links.c
@@ -22,8 +22,75 @@ Aaru Data Preservation Suite
 Copyright (C) 2011-2021 Natalia Portillo
 *****************************************************************************/
 
+#include <errno.h>
+#include <eti.h>
+#include <mint/cookie.h>
+#include <mint/mintbind.h>
+#include <mint/osbind.h>
+#include <mint/sysvars.h>
+#include <stdio.h>
+
 #include "../include/defs.h"
+#include "../log.h"
 
 void Links(const char* path)
-{ // TODO: MiNT. MagiC?
+{
+    long** cookieJar = _p_cookies;
+    long   cookie;
+    int    rc;
+    FILE*  h;
+    char   driveNo = path[0] - '@';
+
+    // Check for a cookie jar
+    if(*cookieJar == 0) return;
+
+    // Check if MiNT or MagiC
+    rc = (Getcookie(C_MiNT, &cookie) == E_OK) || (Getcookie(C_MagX, &cookie) == E_OK) ||
+         (Getcookie(C_MgMc, &cookie) == E_OK) || (Getcookie(C_MgMx, &cookie) == E_OK) ||
+         (Getcookie(C_MgPC, &cookie) == E_OK);
+
+    if(rc == 0) return;
+
+    if(driveNo > 32) driveNo -= 32;
+
+    Dsetdrv(driveNo);
+    Dsetpath("\\");
+
+    rc = Dcreate("LINKS");
+
+    if(rc != E_OK)
+    {
+        log_write("Error %d creating working directory.\n", rc);
+        return;
+    }
+
+    rc = Dsetpath("LINKS");
+
+    if(rc != E_OK)
+    {
+        log_write("Error %d changing to working directory.\n", rc);
+        return;
+    }
+
+    log_write("Creating links.\n");
+
+    h = fopen("TARGET", "w+");
+
+    if(h == NULL)
+    {
+        log_write("Error %d creating target file.\n", errno);
+        return;
+    }
+
+    fprintf(h, "This is the target for the links.\n");
+
+    fclose(h);
+
+    rc = Flink("TARGET", "HARD");
+
+    if(rc != E_OK) log_write("Error %d creating hard link.\n", errno);
+
+    rc = Fsymlink("TARGET", "SYMBOLIC");
+
+    if(rc != E_OK) log_write("Error %d creating symbolic link.\n", errno);
 }