1 files changed, 162 insertions, 0 deletions
diff --git a/app/bin/directory.c b/app/bin/directory.c
new file mode 100644
index 0000000..265485b
--- /dev/null
+++ b/app/bin/directory.c
@@ -0,0 +1,162 @@
+/** \file directory.c
+ * Directory Management
+ */
+
+/*  XTrkCad - Model Railroad CAD
+ *  Copyright (C) 2018 Adam Richards and Martin Fischer
+ *
+ *  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 2 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, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <errno.h>
+#include <string.h>
+
+#ifdef WINDOWS
+    #include "include/dirent.h"
+    #include <direct.h>
+    #define unlink(a) _unlink((a))
+    #define rmdir(a) _rmdir((a))
+#else
+    #include <dirent.h>
+    #include <unistd.h>
+    #include <sys/stat.h>
+    #include <sys/types.h>
+#endif
+
+#include <wlib.h>
+#include "directory.h"
+#include "dynstring.h"
+#include "i18n.h"
+#include "messages.h"
+#include "misc.h"
+
+/*****************************************************************************
+ * Safe Create Dir
+ * \param IN dir The directory path to create
+ *
+ * \return TRUE if ok
+ *
+ */
+
+BOOL_T SafeCreateDir(const char *dir)
+{
+    int err;
+
+#ifdef WINDOWS
+    err = _mkdir(dir);
+#else
+    err = mkdir(dir, 0755);
+#endif
+    if (err < 0) {
+        if (errno != EEXIST) {
+            NoticeMessage(MSG_DIR_CREATE_FAIL,
+                          _("Continue"), NULL, dir, strerror(errno));
+            perror(dir);
+            return FALSE;
+        }
+    }
+    return TRUE;
+}
+
+/************************************************
+ * DeleteDirectory empties and removes a directory recursively
+ *
+ * \param IN dir_path The Directory to empty and remove
+ *
+ * \return TRUE if ok
+ *
+ */
+BOOL_T DeleteDirectory(const char *dir_path)
+{
+    size_t path_len;
+    char *full_path = NULL;
+    DIR *dir;
+    struct stat stat_path, stat_entry;
+    struct dirent *entry;
+    DynString path;
+
+    // stat for the path
+    int resp = stat(dir_path, &stat_path);
+
+    if (resp != 0 && errno == ENOENT) {
+        return TRUE;    //Does not Exist
+    }
+
+    // if path is not dir - exit
+    if (!(S_ISDIR(stat_path.st_mode))) {
+        NoticeMessage(MSG_NOT_DIR_FAIL,
+                      _("Continue"), NULL, dir_path);
+        return FALSE;
+    }
+
+    // if not possible to read the directory for this user
+    if ((dir = opendir(dir_path)) == NULL) {
+        NoticeMessage(MSG_DIR_OPEN_FAIL,
+                      _("Continue"), NULL, dir_path);
+        return FALSE;
+    }
+
+    // the length of the path
+    path_len = strlen(dir_path) + 1;
+    DynStringMalloc(&path, path_len + 16);	//guessing the total path length
+
+    // iteration through entries in the directory
+    while ((entry = readdir(dir)) != NULL) {
+
+        // skip entries "." and ".."
+        if (!strcmp(entry->d_name, ".") || !strcmp(entry->d_name, "..")) {
+            continue;
+        }
+
+        // determinate a full path of an entry
+        DynStringReset(&path);
+        DynStringCatCStrs(&path, dir_path, FILE_SEP_CHAR, entry->d_name, NULL);
+        full_path = DynStringToCStr(&path);
+        // stat for the entry
+        stat(full_path, &stat_entry);
+
+        // recursively remove a nested directory
+        if (S_ISDIR(stat_entry.st_mode) != 0) {
+            DeleteDirectory(full_path);
+            continue;
+        }
+
+        // remove a file object
+        if (unlink(full_path)) {
+            NoticeMessage(MSG_UNLINK_FAIL, _("Continue"), NULL, full_path);
+            DynStringFree(&path);
+            closedir(dir);
+            return FALSE;
+        } else {
+#if DEBUG
+            printf("Removed a file: %s \n", full_path);
+#endif
+        }
+    }
+
+    closedir(dir);
+    DynStringFree(&path);
+
+    // remove the devastated directory and close the object of it
+    if (rmdir(dir_path)) {
+        NoticeMessage(MSG_RMDIR_FAIL, _("Continue"), NULL, dir_path);
+        return FALSE;
+    } else {
+#if DEBUG
+        printf("Removed a directory: %s \n", dir_path);
+#endif
+    }
+    return TRUE;
+}