Added routine to obtain mount information for MacOS

Author: sadko4u

src/main/runtime/system.cpp

@@ -1058,6 +1058,60 @@ namespace lsp
         }
     #endif /* PLATFORM_BSD */
 
+    #ifdef PLATFORM_MACOSX
+        static status_t read_macos_mntinfo(lltl::parray<volume_info_t> *volumes)
+        {
+            struct statfs *fsp = NULL;
+            lltl::parray<volume_info_t> list;
+            lsp_finally { free_volume_info(&list); };
+
+            // Get mount information
+            int entries = getmntinfo_r_np(&fsp, MNT_NOWAIT);
+            lsp_finally {
+                if (fsp != NULL)
+                    free(fsp);
+            };
+            if (entries < 0)
+                return STATUS_NOT_SUPPORTED;
+
+            for (int i=0; i < entries; ++fsp, ++i)
+            {
+                // Create record
+                volume_info_t *info = new volume_info_t();
+                if (info == NULL)
+                    return STATUS_NO_MEM;
+                else if (!list.add(info))
+                {
+                    delete info;
+                    return STATUS_NO_MEM;
+                }
+
+                // Fill fields
+                if (!info->device.set_utf8(fsp->f_mntfromname))
+                    return STATUS_NO_MEM;
+                if (!info->target.set_utf8(fsp->f_mntonname))
+                    return STATUS_NO_MEM;
+                if (!info->root.set_ascii("/"))
+                    return STATUS_NO_MEM;
+                if (!info->name.set_utf8(fsp->f_fstypename))
+                    return STATUS_NO_MEM;
+
+                // Produce final record
+                info->flags     = 0;
+                if (is_dummy_fs(&info->name, false))
+                    info->flags    |= VF_DUMMY;
+                if (is_remote_fs(&info->device, &info->name))
+                    info->flags    |= VF_REMOTE;
+                if (is_posix_drive(&info->device))
+                    info->flags    |= VF_DRIVE;
+            }
+
+            // Commit and return
+            list.swap(volumes);
+            return STATUS_OK;
+        }
+    #endif /* PLATFORM_MACOSX */
+
     #ifdef PLATFORM_WINDOWS
         status_t read_pathnames(const WCHAR *volume, WCHAR **list, size_t *cap)
         {
@@ -1326,7 +1380,7 @@ namespace lsp
                 return STATUS_BAD_ARGUMENTS;
 
             status_t res = STATUS_NOT_IMPLEMENTED;
-        #ifdef PLATFORM_LINUX
+        #if defined(PLATFORM_LINUX)
             if ((res = read_linux_mountinfo(volumes)) != STATUS_NOT_SUPPORTED)
                 return res;
             if ((res = read_linux_mntent("/proc/self/mounts", volumes)) != STATUS_NOT_SUPPORTED)
@@ -1335,16 +1389,17 @@ namespace lsp
                 return res;
             if ((res = read_linux_mntent("/etc/mtab", volumes)) != STATUS_NOT_SUPPORTED)
                 return res;
-        #endif /* PLATFORM_LINUX */
-        #ifdef PLATFORM_BSD
+        #elif defined(PLATFORM_BSD)
             if ((res = read_bsd_mntinfo(volumes)) != STATUS_NOT_SUPPORTED)
                 return res;
-        #endif /* PLATFORM_BSD */
-        #ifdef PLATFORM_WINDOWS
+        #elif defined(PLATFORM_MACOS)
+            if ((res = read_macos_mntinfo(volumes)) != STATUS_NOT_SUPPORTED)
+                return res;
+        #elif defined(PLATFORM_WINDOWS)
             res = read_windows_mntinfo(volumes);
             if (res == STATUS_OK)
                 res = read_windows_netinfo(volumes);
-        #endif /* PLATFORM_WINDOWS */
+        #endif
 
             return res;
         }