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prompt: don't crash when the terminal is less than four columns wide 

This fixes https://savannah.gnu.org/bugs/?48792.
master
Benno Schulenberg 2016-08-22 11:20:47 +02:00
parent 21cb01e543
commit 56147434f3
1 changed files with 3 additions and 3 deletions
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6
src/prompt.c
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@ -724,14 +724,14 @@ int do_prompt(bool allow_tabs,
size_t was_statusbar_x = statusbar_x; size_t was_statusbar_x = statusbar_x;
size_t was_pww = statusbar_pww; size_t was_pww = statusbar_pww;
prompt = charalloc(((COLS - 4) * mb_cur_max()) + 1); prompt = charalloc((COLS * mb_cur_max()) + 1);
bottombars(menu); bottombars(menu);
va_start(ap, msg); va_start(ap, msg);
vsnprintf(prompt, (COLS - 4) * mb_cur_max(), msg, ap); vsnprintf(prompt, COLS * mb_cur_max(), msg, ap);
va_end(ap); va_end(ap);
null_at(&prompt, actual_x(prompt, COLS - 4)); null_at(&prompt, actual_x(prompt, (COLS < 4) ? 0 : COLS - 4));
func = get_prompt_string(&retval, allow_tabs, func = get_prompt_string(&retval, allow_tabs,
#ifndef DISABLE_TABCOMP #ifndef DISABLE_TABCOMP