/*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 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.
+GNU Lesser General Public License for more details.
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "filesys.h"
+#include "strfnd.h"
#include <iostream>
+#include <string.h>
+#include "log.h"
namespace fs
{
#ifdef _WIN32 // WINDOWS
#define _WIN32_WINNT 0x0501
-#include <Windows.h>
+#include <windows.h>
#include <stdio.h>
#include <malloc.h>
#include <tchar.h>
if( DirSpec == NULL )
{
- printf( "Insufficient memory available\n" );
+ errorstream<<"GetDirListing: Insufficient memory available"<<std::endl;
retval = 1;
goto Cleanup;
}
// Check that the input is not larger than allowed.
if (pathstring.size() > (BUFSIZE - 2))
{
- _tprintf(TEXT("Input directory is too large.\n"));
+ errorstream<<"GetDirListing: Input directory is too large."<<std::endl;
retval = 3;
goto Cleanup;
}
if (hFind == INVALID_HANDLE_VALUE)
{
- _tprintf (TEXT("Invalid file handle. Error is %u.\n"),
- GetLastError());
- retval = (-1);
+ retval = (-1);
+ goto Cleanup;
}
else
{
+ // NOTE:
+ // Be very sure to not include '..' in the results, it will
+ // result in an epic failure when deleting stuff.
+
DirListNode node;
node.name = FindFileData.cFileName;
node.dir = FindFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
- listing.push_back(node);
+ if(node.name != "." && node.name != "..")
+ listing.push_back(node);
// List all the other files in the directory.
while (FindNextFile(hFind, &FindFileData) != 0)
DirListNode node;
node.name = FindFileData.cFileName;
node.dir = FindFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
- listing.push_back(node);
+ if(node.name != "." && node.name != "..")
+ listing.push_back(node);
}
dwError = GetLastError();
FindClose(hFind);
if (dwError != ERROR_NO_MORE_FILES)
{
- _tprintf (TEXT("FindNextFile error. Error is %u.\n"),
- dwError);
- retval = (-1);
- goto Cleanup;
+ errorstream<<"GetDirListing: FindNextFile error. Error is "
+ <<dwError<<std::endl;
+ retval = (-1);
+ goto Cleanup;
}
}
retval = 0;
if(retval != 0) listing.clear();
//for(unsigned int i=0; i<listing.size(); i++){
- // std::cout<<listing[i].name<<(listing[i].dir?" (dir)":" (file)")<<std::endl;
+ // infostream<<listing[i].name<<(listing[i].dir?" (dir)":" (file)")<<std::endl;
//}
return listing;
return (GetFileAttributes(path.c_str()) != INVALID_FILE_ATTRIBUTES);
}
+bool IsDir(std::string path)
+{
+ DWORD attr = GetFileAttributes(path.c_str());
+ return (attr != INVALID_FILE_ATTRIBUTES &&
+ (attr & FILE_ATTRIBUTE_DIRECTORY));
+}
+
+bool RecursiveDelete(std::string path)
+{
+ infostream<<"Recursively deleting \""<<path<<"\""<<std::endl;
+
+ DWORD attr = GetFileAttributes(path.c_str());
+ bool is_directory = (attr != INVALID_FILE_ATTRIBUTES &&
+ (attr & FILE_ATTRIBUTE_DIRECTORY));
+ if(!is_directory)
+ {
+ infostream<<"RecursiveDelete: Deleting file "<<path<<std::endl;
+ //bool did = DeleteFile(path.c_str());
+ bool did = true;
+ if(!did){
+ errorstream<<"RecursiveDelete: Failed to delete file "
+ <<path<<std::endl;
+ return false;
+ }
+ }
+ else
+ {
+ infostream<<"RecursiveDelete: Deleting content of directory "
+ <<path<<std::endl;
+ std::vector<DirListNode> content = GetDirListing(path);
+ for(int i=0; i<content.size(); i++){
+ const DirListNode &n = content[i];
+ std::string fullpath = path + DIR_DELIM + n.name;
+ bool did = RecursiveDelete(fullpath);
+ if(!did){
+ errorstream<<"RecursiveDelete: Failed to recurse to "
+ <<fullpath<<std::endl;
+ return false;
+ }
+ }
+ infostream<<"RecursiveDelete: Deleting directory "<<path<<std::endl;
+ //bool did = RemoveDirectory(path.c_str();
+ bool did = true;
+ if(!did){
+ errorstream<<"Failed to recursively delete directory "
+ <<path<<std::endl;
+ return false;
+ }
+ }
+ return true;
+}
+
+bool DeleteSingleFileOrEmptyDirectory(std::string path)
+{
+ DWORD attr = GetFileAttributes(path.c_str());
+ bool is_directory = (attr != INVALID_FILE_ATTRIBUTES &&
+ (attr & FILE_ATTRIBUTE_DIRECTORY));
+ if(!is_directory)
+ {
+ bool did = DeleteFile(path.c_str());
+ return did;
+ }
+ else
+ {
+ bool did = RemoveDirectory(path.c_str());
+ return did;
+ }
+}
+
#else // POSIX
#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
#include <sys/stat.h>
+#include <sys/wait.h>
+#include <unistd.h>
std::vector<DirListNode> GetDirListing(std::string pathstring)
{
DIR *dp;
struct dirent *dirp;
if((dp = opendir(pathstring.c_str())) == NULL) {
- //
std::cout<<"Error("<<errno<<") opening "<<pathstring<<std::endl;
+ //
infostream<<"Error("<<errno<<") opening "<<pathstring<<std::endl;
return listing;
}
while ((dirp = readdir(dp)) != NULL) {
+ // NOTE:
+ // Be very sure to not include '..' in the results, it will
+ // result in an epic failure when deleting stuff.
if(dirp->d_name[0]!='.'){
DirListNode node;
node.name = dirp->d_name;
- if(dirp->d_type == DT_DIR) node.dir = true;
- else node.dir = false;
+ if(node.name == "." || node.name == "..")
+ continue;
+
+ int isdir = -1; // -1 means unknown
+
+ /*
+ POSIX doesn't define d_type member of struct dirent and
+ certain filesystems on glibc/Linux will only return
+ DT_UNKNOWN for the d_type member.
+
+ Also we don't know whether symlinks are directories or not.
+ */
+#ifdef _DIRENT_HAVE_D_TYPE
+ if(dirp->d_type != DT_UNKNOWN && dirp->d_type != DT_LNK)
+ isdir = (dirp->d_type == DT_DIR);
+#endif /* _DIRENT_HAVE_D_TYPE */
+
+ /*
+ Was d_type DT_UNKNOWN, DT_LNK or nonexistent?
+ If so, try stat().
+ */
+ if(isdir == -1)
+ {
+ struct stat statbuf;
+ if (stat((pathstring + "/" + node.name).c_str(), &statbuf))
+ continue;
+ isdir = ((statbuf.st_mode & S_IFDIR) == S_IFDIR);
+ }
+ node.dir = isdir;
listing.push_back(node);
}
}
return (stat(path.c_str(),&st) == 0);
}
+bool IsDir(std::string path)
+{
+ struct stat statbuf;
+ if(stat(path.c_str(), &statbuf))
+ return false; // Actually error; but certainly not a directory
+ return ((statbuf.st_mode & S_IFDIR) == S_IFDIR);
+}
+
+bool RecursiveDelete(std::string path)
+{
+ /*
+ Execute the 'rm' command directly, by fork() and execve()
+ */
+
+ infostream<<"Removing \""<<path<<"\""<<std::endl;
+
+ //return false;
+
+ pid_t child_pid = fork();
+
+ if(child_pid == 0)
+ {
+ // Child
+ char argv_data[3][10000];
+ strcpy(argv_data[0], "/bin/rm");
+ strcpy(argv_data[1], "-rf");
+ strncpy(argv_data[2], path.c_str(), 10000);
+ char *argv[4];
+ argv[0] = argv_data[0];
+ argv[1] = argv_data[1];
+ argv[2] = argv_data[2];
+ argv[3] = NULL;
+
+ verbosestream<<"Executing '"<<argv[0]<<"' '"<<argv[1]<<"' '"
+ <<argv[2]<<"'"<<std::endl;
+
+ execv(argv[0], argv);
+
+ // Execv shouldn't return. Failed.
+ _exit(1);
+ }
+ else
+ {
+ // Parent
+ int child_status;
+ pid_t tpid;
+ do{
+ tpid = wait(&child_status);
+ //if(tpid != child_pid) process_terminated(tpid);
+ }while(tpid != child_pid);
+ return (child_status == 0);
+ }
+}
+
+bool DeleteSingleFileOrEmptyDirectory(std::string path)
+{
+ if(IsDir(path)){
+ bool did = (rmdir(path.c_str()) == 0);
+ if(!did)
+ errorstream<<"rmdir errno: "<<errno<<": "<<strerror(errno)
+ <<std::endl;
+ return did;
+ } else {
+ bool did = (unlink(path.c_str()) == 0);
+ if(!did)
+ errorstream<<"unlink errno: "<<errno<<": "<<strerror(errno)
+ <<std::endl;
+ return did;
+ }
+}
+
#endif
+void GetRecursiveSubPaths(std::string path, std::vector<std::string> &dst)
+{
+ std::vector<DirListNode> content = GetDirListing(path);
+ for(unsigned int i=0; i<content.size(); i++){
+ const DirListNode &n = content[i];
+ std::string fullpath = path + DIR_DELIM + n.name;
+ dst.push_back(fullpath);
+ GetRecursiveSubPaths(fullpath, dst);
+ }
+}
+
+bool DeletePaths(const std::vector<std::string> &paths)
+{
+ bool success = true;
+ // Go backwards to succesfully delete the output of GetRecursiveSubPaths
+ for(int i=paths.size()-1; i>=0; i--){
+ const std::string &path = paths[i];
+ bool did = DeleteSingleFileOrEmptyDirectory(path);
+ if(!did){
+ errorstream<<"Failed to delete "<<path<<std::endl;
+ success = false;
+ }
+ }
+ return success;
+}
+
+bool RecursiveDeleteContent(std::string path)
+{
+ infostream<<"Removing content of \""<<path<<"\""<<std::endl;
+ std::vector<DirListNode> list = GetDirListing(path);
+ for(unsigned int i=0; i<list.size(); i++)
+ {
+ if(trim(list[i].name) == "." || trim(list[i].name) == "..")
+ continue;
+ std::string childpath = path + DIR_DELIM + list[i].name;
+ bool r = RecursiveDelete(childpath);
+ if(r == false)
+ {
+ errorstream<<"Removing \""<<childpath<<"\" failed"<<std::endl;
+ return false;
+ }
+ }
+ return true;
+}
+
+bool CreateAllDirs(std::string path)
+{
+
+ size_t pos;
+ std::vector<std::string> tocreate;
+ std::string basepath = path;
+ while(!PathExists(basepath))
+ {
+ tocreate.push_back(basepath);
+ pos = basepath.rfind(DIR_DELIM_C);
+ if(pos == std::string::npos)
+ break;
+ basepath = basepath.substr(0,pos);
+ }
+ for(int i=tocreate.size()-1;i>=0;i--)
+ if(!CreateDir(tocreate[i]))
+ return false;
+ return true;
+}
+
} // namespace fs
projects / dragonfireclient.git / blobdiff