From 01450ffa9946c1e8d1734ee0ec95f948a7fc35ee Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Sun, 25 Apr 2021 18:53:21 +0100
Subject: [PATCH] Implement volume information for Atari ST.

---
 setter/src/atarist/volume.c | 91 +++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 setter/src/atarist/volume.c

diff --git a/setter/src/atarist/volume.c b/setter/src/atarist/volume.c
new file mode 100644
index 0000000..234a22e
--- /dev/null
+++ b/setter/src/atarist/volume.c
@@ -0,0 +1,91 @@
+/****************************************************************************
+Aaru Data Preservation Suite
+-----------------------------------------------------------------------------
+
+    Author(s)      : Natalia Portillo
+
+--[ License ] ---------------------------------------------------------------
+     This program is free software: you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as
+     published by the Free Software Foundation, either version 3 of the
+     License, or (at your option) any later version.
+
+     This program is distributed in the hope that it will be useful,
+     but WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+     GNU General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+-----------------------------------------------------------------------------
+Copyright (C) 2011-2021 Natalia Portillo
+*****************************************************************************/
+
+#include <eti.h>
+#include <mint/dcntl.h>
+#include <mint/mintbind.h>
+#include <mint/osbind.h>
+#include <mint/ostruct.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "../include/defs.h"
+#include "../log.h"
+
+void GetVolumeInfo(const char* path, size_t* clusterSize)
+{
+    char           driveNo = path[0] - '@';
+    _BPB*          bpb;
+    _DISKINFO      diskInfo;
+    unsigned int   rc;
+    char           xfsName[256];
+    struct fs_info fsInfo;
+
+    if(driveNo > 32) driveNo -= 32;
+
+    bpb = Getbpb(driveNo);
+
+    if(bpb == NULL)
+    {
+        log_write("Error %d requesting volume information.\n", rc);
+        return;
+    }
+
+    log_write("\tBytes per sector: %lu\n", bpb->recsiz);
+    log_write("\tSectors per cluster: %lu (%lu bytes)\n", bpb->clsiz, (int)bpb->clsiz * bpb->recsiz);
+    log_write("\tClusters: %lu (%lu bytes)\n", bpb->numcl, (int)bpb->numcl * bpb->clsiz * bpb->recsiz);
+
+    *clusterSize = bpb->clsiz * bpb->recsiz;
+
+    memset(&diskInfo, 0, sizeof(_DISKINFO));
+
+    rc = Dfree(&diskInfo, driveNo);
+
+    if(rc == E_OK)
+    {
+        log_write(
+            "\tFree clusters: %lu (%lu bytes)\n", diskInfo.b_free, (int)diskInfo.b_free * bpb->clsiz * bpb->recsiz);
+    }
+
+    memset(&fsInfo, 0, sizeof(struct fs_info));
+
+    rc = Dcntl(FS_INFO, path, &fsInfo);
+
+    if(rc == E_OK)
+    {
+        log_write("\tFilesystem name: %s", fsInfo.name);
+        log_write("\tFilesystem version: %d.%02d", (fsInfo.version & 0xFFFF0000) >> 16, fsInfo & 0xFFFF);
+        log_write("\tFilesystem type: %d (%s)", fsInfo.type, fsInfo.type_asc);
+    }
+    else
+    {
+        memset(xfsName, 0, 256);
+
+        rc = Dcntl(MX_KER_XFSNAME, path, xfsName);
+
+        if(rc == E_OK) log_write("\tFilesystem name: %s", xfsName);
+        else
+            log_write("\tFilesystem name: FAT");
+    }
+}