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terminal: Don't crash on non-ascii chars

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isalpha() and isdigit() don't like huge values.
Noticed with ascii-art in the shell prompt.
This commit is contained in:
Andre Heider 2012-08-02 20:59:43 +02:00 committed by Kristian Høgsberg
parent 5626d34d63
commit 552d12b10e
1 changed files with 3 additions and 0 deletions
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3
clients/terminal.c
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@ -2268,6 +2268,9 @@ static int wordsep(int ch)
{ {
const char extra[] = "-,./?%&#:_=+@~"; const char extra[] = "-,./?%&#:_=+@~";
if (ch > 127)
return 1;
return ch == 0 || !(isalpha(ch) || isdigit(ch) || strchr(extra, ch)); return ch == 0 || !(isalpha(ch) || isdigit(ch) || strchr(extra, ch));
} }