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e2fsprogs
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e2fsprogs/lib/ext2fs/dupfs.c

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Many files: Checkin of e2fsprogs 1.10
1997-04-30 01:26:48 +04:00
/*
* dupfs.c --- duplicate a ext2 filesystem handle
*
* Copyright (C) 1997 Theodore Ts'o.
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Public
* License.
* %End-Header%
*/
#include <stdio.h>
Many files: block.c (ext2fs_block_iterate2): Use retval which is a errcode_t type. bitmaps.c (make_bitmap): Use size_t instead of int where appropriate. bb_inode.c (set_bad_block_proc): Add #pragma argsused for Turbo C. alloc.c (ext2fs_new_inode): Use ino_t instead of int for the group number. get_pathname.c: Use ino_t instead of int where appropriate. ext2fs.h: Make the magic structure element be errcode_t instead of int. alloc.c alloc_tables.c badblocks.c bb_compat.c bb_inode.c bitmaps.c block.c bmove.c brel_ma.c check_desc.c closefs.c cmp_bitmaps.c dblist.c dblist_dir.c dir_iterate.c dirblock.c dupfs.c expanddir.c freefs.c get_pathname.c icount.c initialize.c inline.c inode.c irel_ma.c link.c llseek.c lookup.c mkdir.c namei.c newdir.c read_bb.c read_bb_file.c rs_bitmap.c rw_bitmaps.c swapfs.c test_io.c tst_badblocks.c tst_iscan.c unix_io.c unlink.c valid_blk.c version.c: Add an #ifdef for HAVE_UNISTD_H
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#if HAVE_UNISTD_H
Many files: Checkin of e2fsprogs 1.10
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#include <unistd.h>
Many files: block.c (ext2fs_block_iterate2): Use retval which is a errcode_t type. bitmaps.c (make_bitmap): Use size_t instead of int where appropriate. bb_inode.c (set_bad_block_proc): Add #pragma argsused for Turbo C. alloc.c (ext2fs_new_inode): Use ino_t instead of int for the group number. get_pathname.c: Use ino_t instead of int where appropriate. ext2fs.h: Make the magic structure element be errcode_t instead of int. alloc.c alloc_tables.c badblocks.c bb_compat.c bb_inode.c bitmaps.c block.c bmove.c brel_ma.c check_desc.c closefs.c cmp_bitmaps.c dblist.c dblist_dir.c dir_iterate.c dirblock.c dupfs.c expanddir.c freefs.c get_pathname.c icount.c initialize.c inline.c inode.c irel_ma.c link.c llseek.c lookup.c mkdir.c namei.c newdir.c read_bb.c read_bb_file.c rs_bitmap.c rw_bitmaps.c swapfs.c test_io.c tst_badblocks.c tst_iscan.c unix_io.c unlink.c valid_blk.c version.c: Add an #ifdef for HAVE_UNISTD_H
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#endif
Many files: Checkin of e2fsprogs 1.10
1997-04-30 01:26:48 +04:00
#include <time.h>
#include <string.h>
Many files: inode.c (ext2fs_open_inode_scan): Initialize the group variables so that we don't need to call get_next_blockgroup() the first time around. Saves a bit of time, and prevents us from needing to assign -1 to current_group (which is an unsigned value). icount.c (insert_icount_el): Cast the estimated number of inodes from a float to an ino_t. alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c, bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c, check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c, dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c, ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c, icount.c, initialize.c, inline.c, inode.c, irel_ma.c, ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c, newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c, rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c, tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c, version.c: If EXT2_FLAT_INCLUDES is defined, then assume all of the ext2-specific header files are in a flat directory. block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast all assignments from void * to be compatible with C++. closefs.c (ext2fs_flush): Add a call to io_channel_flush() to make sure the contents of the disk are flushed to disk. dblist.c (ext2fs_add_dir_block): Change new to be new_entry to avoid C++ namespace clash. bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to avoid C++ namespace clash. ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c, irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c, ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c, unlink.c: Change private to be priv_data (to avoid C++ namespace clash)
1998-01-19 17:47:53 +03:00
#include "ext2_fs.h"
Many files: Checkin of e2fsprogs 1.10
1997-04-30 01:26:48 +04:00
#include "ext2fsP.h"
errcode_t ext2fs_dup_handle(ext2_filsys src, ext2_filsys *dest)
{
ext2_filsys fs;
errcode_t retval;
EXT2_CHECK_MAGIC(src, EXT2_ET_MAGIC_EXT2FS_FILSYS);
Many files: Added definition of ext2fs_get_mem, ext2fs_free_mem, and ext2fs_resize_mem in ext2fs.h, and changed all library routines to use these wrapper functions.
1997-10-26 06:41:24 +03:00
retval = ext2fs_get_mem(sizeof(struct struct_ext2_filsys),
(void **) &fs);
if (retval)
return retval;
Many files: Checkin of e2fsprogs 1.10
1997-04-30 01:26:48 +04:00
*fs = *src;
fs->device_name = 0;
fs->super = 0;
fs->group_desc = 0;
fs->inode_map = 0;
fs->block_map = 0;
fs->badblocks = 0;
fs->dblist = 0;
io_channel_bumpcount(fs->io);
if (fs->icache)
fs->icache->refcount++;
Many files: Added definition of ext2fs_get_mem, ext2fs_free_mem, and ext2fs_resize_mem in ext2fs.h, and changed all library routines to use these wrapper functions.
1997-10-26 06:41:24 +03:00
retval = ext2fs_get_mem(strlen(src->device_name)+1,
(void **) &fs->device_name);
if (retval)
Many files: Checkin of e2fsprogs 1.10
1997-04-30 01:26:48 +04:00
goto errout;
strcpy(fs->device_name, src->device_name);
Many files: Added definition of ext2fs_get_mem, ext2fs_free_mem, and ext2fs_resize_mem in ext2fs.h, and changed all library routines to use these wrapper functions.
1997-10-26 06:41:24 +03:00
retval = ext2fs_get_mem(SUPERBLOCK_SIZE, (void **) &fs->super);
if (retval)
Many files: Checkin of e2fsprogs 1.10
1997-04-30 01:26:48 +04:00
goto errout;
memcpy(fs->super, src->super, SUPERBLOCK_SIZE);
Many files: Added definition of ext2fs_get_mem, ext2fs_free_mem, and ext2fs_resize_mem in ext2fs.h, and changed all library routines to use these wrapper functions.
1997-10-26 06:41:24 +03:00
retval = ext2fs_get_mem((size_t) fs->desc_blocks * fs->blocksize,
(void **) &fs->group_desc);
if (retval)
Many files: Checkin of e2fsprogs 1.10
1997-04-30 01:26:48 +04:00
goto errout;
memcpy(fs->group_desc, src->group_desc,
Many files: dosio.c: New file to do DOS/BIOS disk accesses. namei.c (open_namei): Make pathlen be of type size_t. llseek.c: Always #include stdlib.h since it's need to define size_t. io.h: Use errcode_t for magic numbers. icount.c (get_icount_el), dupfs.c (ext2fs_dup_handle), dblist.c (dir_block_cmp): Use size_t where appropriate. read_bb.c (ext2fs_read_bb_inode), cmp_bitmaps.c (ext2fs_compare_inode_bitmap): Use blk_t, ino_t and size_t where appropriate. closefs.c (ext2fs_flush): Use dgrp_t instead of int where appropriate. openfs.c (ext2fs_open), check_desc.c (ext2fs_check_desc): Use blk_t instead of int where appropriate. rw_bitmaps.c (read_bitmaps), irel_ma.c, inode.c (ext2fs_write_inode), initialize.c (ext2fs_initialize): brel_ma.c: Fix to make be 16-bit safe. link.c (ext2fs_link), unlink.c (ext2fs_unlink), lookup.c (lookup_proc), ismounted.c (ext2fs_check_if_mounted), block.c (xlate_func): Add #pragma argsused for Turbo C.
1997-08-12 00:29:22 +04:00
(size_t) fs->desc_blocks * fs->blocksize);
Many files: Checkin of e2fsprogs 1.10
1997-04-30 01:26:48 +04:00
if (src->inode_map) {
retval = ext2fs_copy_bitmap(src->inode_map, &fs->inode_map);
if (retval)
goto errout;
}
if (src->block_map) {
retval = ext2fs_copy_bitmap(src->block_map, &fs->block_map);
if (retval)
goto errout;
}
if (src->badblocks) {
retval = ext2fs_badblocks_copy(src->badblocks, &fs->badblocks);
if (retval)
goto errout;
}
if (src->dblist) {
retval = ext2fs_copy_dblist(src->dblist, &fs->dblist);
if (retval)
goto errout;
}
*dest = fs;
return 0;
errout:
ext2fs_free(fs);
return retval;
}