| /** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <errno.h> |
| #include <sys/stat.h> |
| #include <dirent.h> |
| #include <unistd.h> |
| #include <limits.h> |
| |
| #include "core/string_utils.h" |
| #include "core/file_utils.h" |
| |
| #ifdef _MSC_VER |
| #ifndef PATH_MAX |
| #define PATH_MAX 260 |
| #endif |
| #endif |
| |
| int is_directory(const char * path) { |
| struct stat dir_stat; |
| if (stat(path, &dir_stat) < 0) { |
| return 0; |
| } |
| return S_ISDIR(dir_stat.st_mode); |
| } |
| |
| const char * get_separator(int force_posix) |
| { |
| #ifdef WIN32 |
| if (!force_posix) { |
| return "\\"; |
| } |
| #endif |
| return "/"; |
| } |
| |
| char * concat_path(const char * parent, const char * child) { |
| char * path = (char *)malloc((strlen(parent) + strlen(child) + 2) * sizeof(char)); |
| strcpy(path, parent); |
| const char * sep = get_separator(0); |
| strcat(path, sep); |
| strcat(path, child); |
| return path; |
| } |
| |
| void remove_directory(const char * dir_path) { |
| |
| if (!is_directory(dir_path)) { |
| if (unlink(dir_path) == -1) { |
| printf("Could not remove file %s\n", dir_path); |
| } |
| return; |
| } |
| |
| uint64_t path_len = strlen(dir_path); |
| struct dirent * dir; |
| DIR * d = opendir(dir_path); |
| |
| while ((dir = readdir(d)) != NULL) { |
| char * entry_name = dir->d_name; |
| if (!strcmp(entry_name, ".") || !strcmp(entry_name, "..")) { |
| continue; |
| } |
| char * path = concat_path(dir_path, entry_name); |
| remove_directory(path); |
| free(path); |
| } |
| |
| rmdir(dir_path); |
| closedir(d); |
| } |
| |
| int make_dir(const char * path) { |
| if (!path) return -1; |
| |
| errno = 0; |
| int ret = mkdir(path, S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH); |
| if (ret == 0) { |
| return 0; |
| } |
| |
| switch (errno) { |
| case ENOENT: { |
| char * found = strrchr(path, '/'); |
| if (!found) { |
| return -1; |
| } |
| int len = found - path; |
| char * dir = calloc(len + 1, sizeof(char)); |
| strncpy(dir, path, len); |
| dir[len] = '\0'; |
| int res = make_dir(dir); |
| free(dir); |
| if (res < 0) { |
| return -1; |
| } |
| return mkdir(path, S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH); |
| } |
| case EEXIST: { |
| if (is_directory(path)) { |
| return 0; |
| } |
| return -1; |
| } |
| default: |
| return -1; |
| } |
| } |
| |
| char * get_current_working_directory() { |
| char * cwd = (char *)malloc(PATH_MAX * sizeof(char)); |
| memset(cwd, 0, PATH_MAX); |
| #ifdef WIN32 |
| if (_getcwd(cwd, PATH_MAX) != NULL) |
| return cwd; |
| #else |
| if (getcwd(cwd, PATH_MAX) != NULL) { |
| return cwd; |
| } |
| #endif |
| free(cwd); |
| return NULL; |
| } |
| |
| int change_current_working_directory(const char *path) { |
| #ifdef WIN32 |
| return _chdir(path); |
| #else |
| return chdir(path); |
| #endif |
| } |