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patch 9.0.2066: xxd: corrupting files when reversing bit dumps

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Problem:  xxd: corrupting files when reversing bit dumps
Solution: handle reversing bit dump slightly differently

fixes:  #13410
closes: #13415

Co-authored-by: OldWorldOrdr <joey.t.reinhart@gmail.com>
Co-authored-by: K.Takata <kentkt@csc.jp>
Signed-off-by: Christian Brabandt <cb@256bit.org>
Signed-off-by: K.Takata <kentkt@csc.jp>
Signed-off-by: tristhaus <tristhaus@yahoo.de>
This commit is contained in:
OldWorldOrdr
2023-10-25 20:57:30 +02:00
committed by Christian Brabandt
parent 3932072ab4
commit 1c14030aff
3 changed files with 16 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/testdir/test_xxd.vim
View File

@@ -373,6 +373,13 @@ func Test_xxd_revert_bit_dump()
bwipe!
endfunc
func Test_xxd_roundtrip_large_bit_dump()
new
exe 'r! printf "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789" | ' . s:xxd_cmd . ' -b | ' . s:xxd_cmd . ' -r -b'
call assert_match('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ012345678', join(getline(1, 3)))
bwipe!
endfunc
func Test_xxd_version()
new
exe 'r! ' . s:xxd_cmd . ' -v'

2
src/version.c
View File

@@ -704,6 +704,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
2066,
/**/
2065,
/**/

12
src/xxd/xxd.c
View File

@@ -136,7 +136,7 @@ extern void perror __P((char *));
# endif
#endif
char version[] = "xxd 2023-10-08 by Juergen Weigert et al.";
char version[] = "xxd 2023-10-24 by Juergen Weigert et al.";
#ifdef WIN32
char osver[] = " (Win32)";
#else
@@ -418,19 +418,13 @@ huntype(
}
else /* HEX_BITS */
{
n1 = parse_hex_digit(c);
if (n1 >= 0)
{
want_off = (want_off << 4) | n1;
}
if (bt < 0)
if (n1 < 0)
{
p = 0;
bcnt = 0;
b = 0;
continue;
}
want_off = (want_off << 4) | n1;
}
continue;
}