[PATCH] fix lxdialog behaviour

72f28cec · Alan Cox · Linus Torvalds · b43f6bb7 · 72f28cec
Commit 72f28cec authored Nov 25, 2002 by Alan Cox Committed by Linus Torvalds Nov 25, 2002
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scripts/lxdialog/util.c scripts/lxdialog/util.c +1 -1

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--- a/scripts/lxdialog/util.c
+++ b/scripts/lxdialog/util.c
@@ -348,7 +348,7 @@ first_alpha(const char *string, const char *exempt)
 		c = tolower(string[i]);

 		if (strchr("<[(", c)) ++in_paren;
-		if (strchr(">])", c)) --in_paren;
+		if (strchr(">])", c) && in_paren > 0) --in_paren;

 		if ((! in_paren) && isalpha(c) && 
 		     strchr(exempt, c) == 0)