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/* Copyright 1986-1992 Emmet P. Gray.
* Copyright 1996-2002,2007-2009 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/>.
*
* mmd.c
* Makes an MSDOS directory
*/
#define LOWERCASE
#include "sysincludes.h"
#include "msdos.h"
#include "mtools.h"
#include "vfat.h"
#include "mainloop.h"
#include "plain_io.h"
#include "nameclash.h"
#include "file.h"
#include "fs.h"
/*
* Preserve the file modification times after the fclose()
*/
typedef struct Arg_t {
char *target;
MainParam_t mp;
Stream_t *SrcDir;
int entry;
ClashHandling_t ch;
Stream_t *targetDir;
} Arg_t;
typedef struct CreateArg_t {
Stream_t *Dir;
Stream_t *NewDir;
unsigned char attr;
time_t mtime;
} CreateArg_t;
/*
* Open the named file for read, create the cluster chain, return the
* directory structure or NULL on error.
*/
static int makeit(dos_name_t *dosname,
char *longname,
void *arg0,
direntry_t *targetEntry)
{
Stream_t *Target;
CreateArg_t *arg = (CreateArg_t *) arg0;
int fat;
direntry_t subEntry;
/* will it fit? At least one cluster must be free */
if (!getfreeMinClusters(targetEntry->Dir, 1))
return -1;
mk_entry(dosname, ATTR_DIR, 1, 0, arg->mtime, &targetEntry->dir);
Target = OpenFileByDirentry(targetEntry);
if(!Target){
fprintf(stderr,"Could not open Target\n");
return -1;
}
/* this allocates the first cluster for our directory */
initializeDirentry(&subEntry, Target);
subEntry.entry = 1;
GET_DATA(targetEntry->Dir, 0, 0, 0, &fat);
if (fat == fat32RootCluster(targetEntry->Dir)) {
fat = 0;
}
mk_entry_from_base(".. ", ATTR_DIR, fat, 0, arg->mtime, &subEntry.dir);
dir_write(&subEntry);
FLUSH((Stream_t *) Target);
subEntry.entry = 0;
GET_DATA(Target, 0, 0, 0, &fat);
mk_entry_from_base(". ", ATTR_DIR, fat, 0, arg->mtime, &subEntry.dir);
dir_write(&subEntry);
mk_entry(dosname, ATTR_DIR | arg->attr, fat, 0, arg->mtime,
&targetEntry->dir);
arg->NewDir = Target;
return 0;
}
static void usage(int ret) NORETURN;
static void usage(int ret)
{
fprintf(stderr,
"Mtools version %s, dated %s\n", mversion, mdate);
fprintf(stderr,
"Usage: %s [-D clash_option] file targetfile\n", progname);
fprintf(stderr,
" %s [-D clash_option] file [files...] target_directory\n",
progname);
exit(ret);
}
Stream_t *createDir(Stream_t *Dir, const char *filename, ClashHandling_t *ch,
unsigned char attr, time_t mtime)
{
CreateArg_t arg;
int ret;
arg.Dir = Dir;
arg.attr = attr;
arg.mtime = mtime;
if (!getfreeMinClusters(Dir, 1))
return NULL;
ret = mwrite_one(Dir, filename, 0, makeit, &arg, ch);
if(ret < 1)
return NULL;
else
return arg.NewDir;
}
static int createDirCallback(direntry_t *entry, MainParam_t *mp)
{
Stream_t *ret;
time_t now;
ret = createDir(mp->File, mp->targetName, &((Arg_t *)(mp->arg))->ch,
ATTR_DIR, getTimeNow(&now));
if(ret == NULL)
return ERROR_ONE;
else {
FREE(&ret);
return GOT_ONE;
}
}
void mmd(int argc, char **argv, int type)
{
Arg_t arg;
int c;
/* get command line options */
init_clash_handling(& arg.ch);
/* get command line options */
if(helpFlag(argc, argv))
usage(0);
while ((c = getopt(argc, argv, "i:D:oh")) != EOF) {
switch (c) {
case 'i':
set_cmd_line_image(optarg);
break;
case '?':
usage(1);
case 'o':
handle_clash_options(&arg.ch, c);
break;
case 'D':
if(handle_clash_options(&arg.ch, *optarg))
usage(1);
break;
case 'h':
usage(0);
default:
usage(1);
break;
}
}
if (argc - optind < 1)
usage(1);
init_mp(&arg.mp);
arg.mp.arg = (void *) &arg;
arg.mp.openflags = O_RDWR;
arg.mp.callback = createDirCallback;
arg.mp.lookupflags = OPEN_PARENT | DO_OPEN_DIRS;
exit(main_loop(&arg.mp, argv + optind, argc - optind));
}
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