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top: afford another level of protection for line input

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This commit just provides the final protection against
possible screen corruption when processing line input.

[ such corruption was limited to the input line only ]

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner 2022-06-26 00:00:00 -05:00 committed by Craig Small
parent 8ca346762d
commit 757a345209
1 changed files with 1 additions and 1 deletions
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2
top/top.c
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@ -1341,7 +1341,7 @@ static char *ioline (const char *prompt) {
pos = strlen(buf);
break;
default: // what we REALLY wanted (maybe)
if (bufNXT < bufMAX && scrNXT < Screen_cols) {
if (bufNXT < bufMAX && scrNXT < Screen_cols && strlen(buf) < bufMAX) {
int tot = UTF8_tab[(unsigned char)key],
sav = pos;
if (tot < 1) tot = 1;