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vi: don't move cursor when yanking whole lines

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When whole lines are yanked using 'yy' or 'Y' vi doesn't change the
cursor position.  Make BusyBox vi do the same.

function                                             old     new   delta
do_cmd                                              4776    4786     +10
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/0 up/down: 10/0)               Total: 10 bytes

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Ron Yorston 2021-04-15 12:03:22 +01:00 committed by Denys Vlasenko
parent 38ae0f3e3e
commit d6e653d667
1 changed files with 6 additions and 0 deletions
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6
editors/vi.c
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@ -3934,6 +3934,7 @@ static void do_cmd(int c)
# endif # endif
if (c == 'y' || c == 'Y') if (c == 'y' || c == 'Y')
yf = YANKONLY; yf = YANKONLY;
save_dot = dot;
#endif #endif
// determine range, and whether it spans lines // determine range, and whether it spans lines
buftype = find_range(&p, &q, c); buftype = find_range(&p, &q, c);
@ -3951,6 +3952,11 @@ static void do_cmd(int c)
dot_begin(); dot_begin();
dot_skip_over_ws(); dot_skip_over_ws();
} }
#if ENABLE_FEATURE_VI_YANKMARK
else /* (c == 'y' || c == 'Y') */ {
dot = save_dot;
}
#endif
} }
// if CHANGING, not deleting, start inserting after the delete // if CHANGING, not deleting, start inserting after the delete
if (c == 'c') { if (c == 'c') {