Changes by: flatcap
Update of /cvsroot/linux-ntfs/dynamic-disk/test
In directory usw-pr-cvs1:/tmp/cvs-serv25824
Modified Files:
Makefile
Added Files:
sparse.c
Log Message:
new support tool -- combines partition table and database
into a disk-sized sparse file
--- NEW FILE ---
/**
* sparse - Part of the Linux-NTFS project.
*
* Copyright (C) 2001 Richard Russon <ld...@fl...>
*
* Documentation is available at http://linux-ntfs.sourceforge.net/ldm
*
* 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 (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.
*
* You should have received a copy of the GNU General Public License
* along with this program (in the main directory of the Linux-NTFS source
* in the file COPYING); if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
int main (int argc, char *argv[])
{
char buf[512];
char *part;
char *data;
char *out;
int fpart;
int fdata;
int fout;
__off64_t off;
if (argc != 5) {
printf ("\nUsage:\n\t%s part data sectors output\n\n", basename (argv[0]));
return 1;
}
part = argv[1];
data = argv[2];
out = argv[4];
off = atol (argv[3]);
if (off == 0) {
printf ("Sectors must be non-zero\n");
return 1;
}
off -= 2048;
off <<= 9;
fpart = open (part, O_RDONLY);
if (fpart < 0) {
printf ("Cannot open part file '%s'\n", part);
return 1;
}
fdata = open (data, O_RDONLY);
if (fdata < 0) {
printf ("Cannot open data file '%s'\n", data);
return 1;
}
fout = open (out, O_RDWR | O_TRUNC | O_CREAT, S_IRUSR | S_IWUSR);
if (fout < 0) {
printf ("Cannot open output file '%s'\n", out);
return 1;
}
while (read (fpart, buf, sizeof (buf)) == sizeof (buf))
{
if (write (fout, buf, sizeof (buf)) < sizeof (buf)) {
printf ("Cannot write to '%s'\n", part);
return 1;
}
}
if (lseek64 (fout, off, SEEK_SET) < 0)
{
printf ("Seek failed (%s) in '%s', offset %llu\n",
strerror (errno), out, off);
printf ("Check this isn't limitation of your filesystem\n");
printf ("e.g. By default ext2 has a limit of 16Gb\n");
return 1;
}
while (read (fdata, buf, sizeof (buf)) == sizeof (buf))
{
if (write (fout, buf, sizeof (buf)) < sizeof (buf)) {
printf ("Cannot write to '%s'\n", data);
return 1;
}
}
close (fpart);
close (fdata);
close (fout);
printf ("Succeeded\n");
return 0;
}
Index: Makefile
===================================================================
RCS file: /cvsroot/linux-ntfs/dynamic-disk/test/Makefile,v
retrieving revision 1.10
retrieving revision 1.11
diff -U2 -r1.10 -r1.11
--- Makefile 8 Feb 2002 13:19:09 -0000 1.10
+++ Makefile 9 Feb 2002 13:46:46 -0000 1.11
@@ -1,22 +1,26 @@
# Copyright (C) 2001 Richard Russon
-SRC = compat.c dump.c ldminfo.c
+SRC = compat.c dump.c ldminfo.c sparse.c
OBJ = $(SRC:.c=.o)
-OBJP = ../linux/fs/partitions/partitions.o
-DEP = ../linux/fs/partitions/ldm.c \
- ../linux/fs/partitions/ldm.h \
-OUT = ldminfo
+LDMDEP = ../linux/fs/partitions/partitions.o
+INFODEP = $(LDMDEP) compat.o dump.o ldminfo.o
+OUT = ldminfo sparse
+
+CFLAGS += -include extra.h
CFLAGS += -I$(KERNEL)/include
CFLAGS += -I$(KERNEL)/fs/partitions
-all: $(DEP) $(SRC) $(OUT)
+all: $(OUT)
.c.o:
$(CC) $(CFLAGS) -c $< -o $@
-$(OUT): $(SRC) $(DEP) $(OBJ) $(OBJP)
- $(CC) -o $(OUT) $(OBJ) $(OBJP)
+ldminfo: $(INFODEP)
+ $(CC) -o ldminfo $(INFODEP)
+
+sparse:
+ $(CC) -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 sparse.c -o $@
clean:
|
