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sort: fix sort -s -u, closes 14871

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function                                             old     new   delta
sort_main                                            851     856      +5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2022-07-29 16:40:00 +02:00
parent 00f2a35b83
commit 5479c435fd
2 changed files with 15 additions and 4 deletions
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9
coreutils/sort.c
View File

@ -652,11 +652,12 @@ int sort_main(int argc UNUSED_PARAM, char **argv)
/* Handle -u */
if (option_mask32 & FLAG_u) {
int j = 0;
/* coreutils 6.3 drop lines for which only key is the same
* -- disabling last-resort compare, or else compare_keys()
* will be the same only for completely identical lines.
/* coreutils 6.3 drop lines for which only key is the same:
* - disabling last-resort compare, or else compare_keys()
* will be the same only for completely identical lines
* - disabling -s (same reasons)
*/
option_mask32 |= FLAG_no_tie_break;
option_mask32 = (option_mask32 | FLAG_no_tie_break) & (~FLAG_s);
for (i = 1; i < linecount; i++) {
if (compare_keys(&lines[j], &lines[i]) == 0)
free(lines[i]);

10
testsuite/sort.tests
View File

@ -230,4 +230,14 @@ testing "sort -k2,2M" \
3 March
" ""
testing "sort -s -u" \
"sort -s -u -k 2 input" "\
z a
z b
" "\
z b
a b
z a
a a" ""
exit $FAILCOUNT