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Ron Yorston 24198f652f vi: deal with invalid movements in shift commands

Since commit 25d259264 (vi: make buffer handling more vi-like)
find_range() can return early when an invalid movement is
specified.

The call to find_range() in the code that handles shift commands
('<' and '>') doesn't check for this condition.  Previously this
only resulted in the current line being shifted but it can now
result in a segfault.

Check for an invalid movement and notify the user without taking
any further action.

function                                             old     new   delta
do_cmd                                              4890    4898      +8
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/0 up/down: 8/0)                 Total: 8 bytes

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

2021-03-30 14:51:27 +02:00

awk.c

awk: allow printf('%c') to output NUL, closes 13486

2021-02-02 13:51:14 +01:00

cmp.c

config: update size information

2018-12-28 03:20:17 +01:00

Config.src

restore documentation on the build config language

2018-06-06 15:16:48 +02:00

diff.c

diff: code shrink