127 lines
3.1 KiB
C++
127 lines
3.1 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2023 tildearrow and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "fileutils.h"
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#ifdef _WIN32
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#include "utfutils.h"
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#include <windows.h>
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#include <shlobj.h>
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#include <shlwapi.h>
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#else
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/stat.h>
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#endif
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FILE* ps_fopen(const char* path, const char* mode) {
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#ifdef _WIN32
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return _wfopen(utf8To16(path).c_str(),utf8To16(mode).c_str());
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#else
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return fopen(path,mode);
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#endif
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}
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// TODO: copy in case of failure
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bool moveFiles(const char* src, const char* dest) {
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#ifdef _WIN32
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return MoveFileW(utf8To16(src).c_str(),utf8To16(dest).c_str());
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#else
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if (rename(src,dest)==-1) {
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return false;
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}
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return true;
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#endif
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}
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bool deleteFile(const char* path) {
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#ifdef _WIN32
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return DeleteFileW(utf8To16(path).c_str());
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#else
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return (unlink(path)==0);
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#endif
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}
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int fileExists(const char* path) {
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#ifdef _WIN32
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if (PathFileExistsW(utf8To16(path).c_str())) return 1;
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// which errors could PathFileExists possibly throw?
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switch (GetLastError()) {
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case ERROR_FILE_EXISTS:
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return 1;
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break;
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case ERROR_FILE_NOT_FOUND:
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case ERROR_PATH_NOT_FOUND:
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case ERROR_INVALID_DRIVE:
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case ERROR_DEV_NOT_EXIST:
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case ERROR_NETNAME_DELETED:
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case ERROR_BAD_NET_NAME:
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return 0;
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break;
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}
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return -1;
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#else
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if (access(path,F_OK)==0) return 1;
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if (errno==ENOENT) return 0;
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return -1;
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#endif
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}
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bool dirExists(const char* what) {
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#ifdef _WIN32
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WString ws=utf8To16(what);
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return (PathIsDirectoryW(ws.c_str())!=FALSE);
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#else
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struct stat st;
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if (stat(what,&st)<0) return false;
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return (st.st_mode&S_IFDIR);
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#endif
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}
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bool makeDir(const char* path) {
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#ifdef _WIN32
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return (SHCreateDirectory(NULL,utf8To16(path).c_str())==ERROR_SUCCESS);
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#else
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return (mkdir(path,0755)==0);
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#endif
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}
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int touchFile(const char* path) {
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#ifdef _WIN32
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HANDLE h=CreateFileW(utf8To16(path).c_str(),GENERIC_WRITE,FILE_SHARE_DELETE|FILE_SHARE_READ|FILE_SHARE_WRITE,NULL,CREATE_NEW,FILE_ATTRIBUTE_TEMPORARY,NULL);
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if (h==INVALID_HANDLE_VALUE) {
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switch (GetLastError()) {
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case ERROR_FILE_EXISTS:
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return -EEXIST;
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break;
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}
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return -EPERM;
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}
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if (CloseHandle(h)==0) {
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return -EBADF;
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}
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return 0;
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#else
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int fd=open(path,O_CREAT|O_WRONLY|O_TRUNC|O_EXCL,0666);
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if (fd<0) return -errno;
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close(fd);
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return 0;
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#endif
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}
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