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commit cfd530b167a36a613fa9e8b55246a7b388c02005
parent 330adc995f4528a29626b34da0a3d885b98139f7
Author: sin <sin@2f30.org>
Date:   Tue Oct 21 15:29:35 +0100

Fix segfault in readln()

This could be reproduced simply by doing: [TAB] and backspacing
a few times.

Diffstat:
noice.c | 9+++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/noice.c b/noice.c @@ -287,8 +287,13 @@ readln(void) if (c == KEY_BACKSPACE) { getyx(stdscr, y, x); if (x >= x0) { - ln = realloc(ln, (i - 1) * sizeof(*ln)); - i--; + if (i > 0) { + ln = realloc(ln, (i - 1) * sizeof(*ln)); + i--; + } else { + free(ln); + ln = NULL; + } move(y, x); printw("%c", ' '); move(y, x);