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/* Copyright 1998-2002,2009 Alain Knaff.
* This file is part of mtools.
*
* Mtools 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 3 of the License, or
* (at your option) any later version.
*
* Mtools 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 Mtools. If not, see <http://www.gnu.org/licenses/>.
*/
#include "sysincludes.h"
#include "stream.h"
#include "mtools.h"
#include "file.h"
#include "htable.h"
#include "mainloop.h"
#include "file_name.h"
#ifdef HAVE_READDIR
#ifdef HAVE_DIRENT_H
#include <dirent.h>
#endif
#else
/* So far only supported platform that has no readdir is AT&T UnixPC.
* Here, the following works: */
struct dirent {
ino_t d_ino;
char d_name[15]; /* One more than physically read, in order
* to have a terminating character */
};
typedef struct DIR {
int fd;
struct dirent entry;
} DIR;
static DIR *opendir(const char *filename) {
DIR *dirp;
int fd = open(filename, O_RDONLY);
if(fd < 0)
return NULL;
dirp = calloc(1, sizeof(DIR));
dirp->fd = fd;
return dirp;
}
static struct dirent *readdir(DIR *dirp) {
int n = read(dirp->fd, &dirp->entry, 16);
if(n <= 0)
return NULL;
dirp->entry.d_name[14]='\0'; /* Terminating null */
return &dirp->entry;
}
static int closedir(DIR* dirp) {
close(dirp->fd);
free(dirp);
return 0;
}
#endif
typedef struct Dir_t {
struct Stream_t head;
struct MT_STAT statbuf;
char *pathname;
DIR *dir;
} Dir_t;
static int get_dir_data(Stream_t *Stream, time_t *date, mt_off_t *size,
int *type, unsigned int *address)
{
DeclareThis(Dir_t);
if(date)
*date = This->statbuf.st_mtime;
if(size)
*size = This->statbuf.st_size;
if(type)
*type = 1;
if(address)
*address = 0;
return 0;
}
static int dir_free(Stream_t *Stream)
{
DeclareThis(Dir_t);
Free(This->pathname);
closedir(This->dir);
return 0;
}
static Class_t DirClass = {
0, /* read */
0, /* write */
0, /* pread */
0, /* pwrite */
0, /* flush */
dir_free, /* free */
0, /* get_geom */
get_dir_data ,
0, /* pre-allocate */
0, /* get_dosConvert */
0 /* discard */
};
int unix_dir_loop(Stream_t *Stream, MainParam_t *mp)
{
DeclareThis(Dir_t);
struct dirent *entry;
char *newName;
int ret=0;
while((entry=readdir(This->dir)) != NULL) {
if(got_signal)
break;
if(isSpecial(entry->d_name))
continue;
newName = malloc(strlen(This->pathname) + 1 +
strlen(entry->d_name) + 1);
if(!newName) {
ret = ERROR_ONE;
break;
}
strcpy(newName, This->pathname);
strcat(newName, "/");
strcat(newName, entry->d_name);
ret |= unix_loop(Stream, mp, newName, 0);
free(newName);
}
return ret;
}
Stream_t *OpenDir(const char *filename)
{
Dir_t *This;
This = New(Dir_t);
init_head(&This->head, &DirClass, NULL);
This->pathname = malloc(strlen(filename)+1);
if(This->pathname == NULL) {
Free(This);
return NULL;
}
strcpy(This->pathname, filename);
if(MT_STAT(filename, &This->statbuf) < 0) {
Free(This->pathname);
Free(This);
return NULL;
}
This->dir = opendir(filename);
if(!This->dir) {
Free(This->pathname);
Free(This);
return NULL;
}
return &This->head;
}
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