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Preventing a floating-point exception when the available length

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for an answer becomes zero.  The answer will instead wrap to the
next line, which does not look nice but is better than crashing.
Patch by Mahyar Abbaspour.


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5235 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
This commit is contained in:
Benno Schulenberg 2015-05-31 08:45:17 +00:00
parent 01e39f4ff9
commit 40bfc729ca
2 changed files with 5 additions and 1 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2015-05-31 Mahyar Abbaspour <mahyar.abaspour@gmail.com>
* src/prompt.c (get_statusbar_page_start): Prevent a floating-point
exception when the available length for an answer becomes zero.
2015-05-28 Benno Schulenberg <bensberg@justemail.net>
* src/help.c (do_help), src/prompt.c (do_yesno_prompt): Normalize
the whitespace after the recent changes in logic.

2
src/prompt.c
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@ -650,7 +650,7 @@ size_t statusbar_xplustabs(void)
* get_statusbar_page_start(column) < COLS). */
size_t get_statusbar_page_start(size_t start_col, size_t column)
{
if (column == start_col || column < COLS - 1)
if (column == start_col || column < COLS - 1 || COLS == start_col + 1)
return 0;
else
return column - start_col - (column - start_col) % (COLS -