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patch 8.2.3658: duplicate code in xxd

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Problem:    Duplicate code in xxd.
Solution:   Merge duplicated code. Add more tests. (closes #9192)
This commit is contained in:
DungSaga 2021-11-24 11:18:07 +00:00 committed by Bram Moolenaar
parent 112bed0cbe
commit 48608b4a4b
3 changed files with 28 additions and 9 deletions
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14
src/testdir/test_xxd.vim
View File

@ -263,6 +263,20 @@ func Test_xxd_usage()
endfor
endfunc
func Test_xxd_ignore_garbage()
new
exe 'r! printf "\n\r xxxx 0: 42 42" | ' . s:xxd_cmd . ' -r'
call assert_match('BB', join(getline(1, 3)))
bwipe!
endfunc
func Test_xxd_bit_dump()
new
exe 'r! printf "123456" | ' . s:xxd_cmd . ' -b1'
call assert_match('00000000: 00110001 00110010 00110011 00110100 00110101 00110110 123456', join(getline(1, 3)))
bwipe!
endfunc
func Test_xxd_version()
new
exe 'r! ' . s:xxd_cmd . ' -v'

2
src/version.c
View File

@ -757,6 +757,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
3658,
/**/
3657,
/**/

21
src/xxd/xxd.c
View File

@ -809,33 +809,34 @@ main(int argc, char *argv[])
e = 0;
while ((length < 0 || n < length) && (e = getc(fp)) != EOF)
{
int x;
if (p == 0)
{
addrlen = sprintf(l, decimal_offset ? "%08ld:" : "%08lx:",
((unsigned long)(n + seekoff + displayoff)));
for (c = addrlen; c < LLEN; l[c++] = ' ');
}
x = hextype == HEX_LITTLEENDIAN ? p ^ (octspergrp-1) : p;
c = addrlen + 1 + (grplen * x) / octspergrp;
if (hextype == HEX_NORMAL || hextype == HEX_LITTLEENDIAN)
{
int x = hextype == HEX_NORMAL ? p : p ^ (octspergrp-1);
l[c = (addrlen + 1 + (grplen * x) / octspergrp)]
= hexx[(e >> 4) & 0xf];
l[c] = hexx[(e >> 4) & 0xf];
l[++c] = hexx[e & 0xf];
}
else /* hextype == HEX_BITS */
{
int i;
c = (addrlen + 1 + (grplen * p) / octspergrp) - 1;
for (i = 7; i >= 0; i--)
l[++c] = (e & (1 << i)) ? '1' : '0';
l[c++] = (e & (1 << i)) ? '1' : '0';
}
if (e)
nonzero++;
if (ebcdic)
e = (e < 64) ? '.' : etoa64[e-64];
/* When changing this update definition of LLEN above. */
l[addrlen + 3 + (grplen * cols - 1)/octspergrp + p] =
c = addrlen + 3 + (grplen * cols - 1)/octspergrp + p;
l[c++] =
#ifdef __MVS__
(e >= 64)
#else
@ -845,7 +846,8 @@ main(int argc, char *argv[])
n++;
if (++p == cols)
{
l[c = (addrlen + 3 + (grplen * cols - 1)/octspergrp + p)] = '\n'; l[++c] = '\0';
l[c] = '\n';
l[++c] = '\0';
xxdline(fpo, l, autoskip ? nonzero : 1);
nonzero = 0;
p = 0;
@ -855,7 +857,8 @@ main(int argc, char *argv[])
perror_exit(2);
if (p)
{
l[c = (addrlen + 3 + (grplen * cols - 1)/octspergrp + p)] = '\n'; l[++c] = '\0';
l[c] = '\n';
l[++c] = '\0';
xxdline(fpo, l, 1);
}
else if (autoskip)