Commit Graph

6 Commits

Author SHA1 Message Date
Wade Cline
0d5cfddc2c Btrfs-progs: Fix compiler warnings on PPC64
The kernel uses unsigned long long for u64, but PPC64 uses unsigned
long by default. This results in compilation warnings such as:

print-tree.c:333: warning: format '%llu' expects type 'long long
unsigned int', but argument 4 has type 'u64'

To fix this, the macro __KERNEL__ needs to be defined before including
the file <asm/types.h>. This can be done by defining the macro in
"kerncompat.h" and making it the first included file in the relevant
header files; this fixes the compiler warnings on PPC64.

Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Wade Cline <clinew@linux.vnet.ibm.com>
2013-01-17 18:12:57 +01:00
Miao Xie
3b4e2d6196 Btrfs-progs: fix several complie warning
This patch fixed the following warning:
cmds-send.c:464:6: warning: ‘ret' may be used uninitialized in this function [-Wuninitialized]
crc32c.c:121:1: warning: control reaches end of non-void function [-Wreturn-type]
send-utils.c:69:11: warning: ‘comp' may be used uninitialized in this function [-Wuninitialized]
send-utils.c:126:6: warning: ‘comp' may be used uninitialized in this function [-Wuninitialized]
send-utils.c:99:22: warning: ‘entry' may be used uninitialized in this function [-Wuninitialized]
btrfs.c:261:2: warning: implicit declaration of function ‘crc32c_optimization_init' [-Wimplicit-function-declaration]
btrfs.c:105:2: warning: ‘cmd' may be used uninitialized in this function [-Wuninitialized]
restore.c:435:12: warning: ignoring return value of ‘ftruncate', declared with attribute warn_unused_result [-Wunused-result]

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
2012-10-04 16:26:31 -04:00
Jim Meyering
54e345b5c2 avoid several strncpy-induced buffer overruns
* restore.c (main): Ensure strncpy-copied dir_name is NUL-terminated.
* btrfsctl.c (main): Likewise, for a command-line argument.
* utils.c (multiple functions): Likewise.
* btrfs-list.c (add_root): Likewise.
* btrfslabel.c (change_label_unmounted): Likewise.
* cmds-device.c (cmd_add_dev, cmd_rm_dev, cmd_scan_dev): Likewise.
* cmds-filesystem.c (cmd_resize): Likewise.
* cmds-subvolume.c (cmd_subvol_create, cmd_subvol_delete, cmd_snapshot):
Likewise.

Reviewed-by: Josef Bacik <josef@redhat.com>
2012-06-05 19:56:20 +01:00
Jim Meyering
47f029cc8b restore: don't corrupt stack for a zero-length command-line argument
Given a zero-length directory name, the trailing-slash removal
code would test dir_name[-1], and if it were found to be a slash,
would set it to '\0'.

Reviewed-by: Josef Bacik <josef@redhat.com>
2012-06-05 19:56:20 +01:00
Chris Mason
ff91b185f7 restore: deal with holes and set i_size correctly
This changes restore to set the i_size of the files it
copies out based on the size in the inode.  It also changes
it to skip over holes.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-10-27 16:25:12 -04:00
Josef Bacik
be826706b5 btrfs-progs: add a recovery utility to pull files from damanged filesystems
Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-10-27 12:49:54 -04:00