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patch 8.1.1509: cmdline_row can become negative, causing a crash

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Problem:    Cmdline_row can become negative, causing a crash.
Solution:   Make sure cmdline_row does not become negagive. (closes #4102)
This commit is contained in:
Bram Moolenaar
2019-06-09 16:40:46 +02:00
parent 541faf7a73
commit 954bb06363
2 changed files with 5 additions and 3 deletions
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6
src/misc1.c
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@@ -1447,9 +1447,9 @@ prompt_for_number(int *mouse_used)
i = get_number(TRUE, mouse_used); i = get_number(TRUE, mouse_used);
if (KeyTyped) if (KeyTyped)
{ {
/* don't call wait_return() now */ // don't call wait_return() now
/* msg_putchar('\n'); */ if (msg_row > 0)
cmdline_row = msg_row - 1; cmdline_row = msg_row - 1;
need_wait_return = FALSE; need_wait_return = FALSE;
msg_didany = FALSE; msg_didany = FALSE;
msg_didout = FALSE; msg_didout = FALSE;

2
src/version.c
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@@ -777,6 +777,8 @@ static char *(features[]) =
static int included_patches[] = static int included_patches[] =
{ /* Add new patch number below this line */ { /* Add new patch number below this line */
/**/
1509,
/**/ /**/
1508, 1508,
/**/ /**/