infostream<<"RecursiveDelete: Deleting content of directory "
<<path<<std::endl;
std::vector<DirListNode> content = GetDirListing(path);
- for(int i=0; i<content.size(); i++){
+ for(size_t i=0; i<content.size(); i++){
const DirListNode &n = content[i];
std::string fullpath = path + DIR_DELIM + n.name;
bool did = RecursiveDelete(fullpath);
std::string TempPath()
{
- DWORD bufsize = GetTempPath(0, "");
+ DWORD bufsize = GetTempPath(0, NULL);
if(bufsize == 0){
errorstream<<"GetTempPath failed, error = "<<GetLastError()<<std::endl;
return "";
return path.substr(0, pos);
}
+std::string AbsolutePath(const std::string &path)
+{
+#ifdef _WIN32
+ char *abs_path = _fullpath(NULL, path.c_str(), MAX_PATH);
+#else
+ char *abs_path = realpath(path.c_str(), NULL);
+#endif
+ if (!abs_path) return "";
+ std::string abs_path_str(abs_path);
+ free(abs_path);
+ return abs_path_str;
+}
+
+const char *GetFilenameFromPath(const char *path)
+{
+ const char *filename = strrchr(path, DIR_DELIM_CHAR);
+ return filename ? filename + 1 : path;
+}
+
bool safeWriteToFile(const std::string &path, const std::string &content)
{
std::string tmp_file = path + ".~mt";
os.flush();
os.close();
if (os.fail()) {
+ // Remove the temporary file because writing it failed and it's useless.
remove(tmp_file.c_str());
return false;
}
- // Copy file
+ // Move the finished temporary file over the real file
+#ifdef _WIN32
+ // On POSIX compliant systems rename() is specified to be able to swap the
+ // file in place of the destination file, making this a truly error-proof
+ // transaction.
+ // However, on Windows, the target file has to be removed first.
remove(path.c_str());
+#endif
if(rename(tmp_file.c_str(), path.c_str())) {
+ // Remove the temporary file because moving it over the target file
+ // failed.
remove(tmp_file.c_str());
return false;
} else {
}
}
+bool Rename(const std::string &from, const std::string &to)
+{
+ return rename(from.c_str(), to.c_str()) == 0;
+}
+
} // namespace fs