27 lines
787 B
Diff
27 lines
787 B
Diff
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From 708cc7f694738c6dde2dbb5317749a5a9e6d26e2 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?=E8=82=96=E5=9C=A8?= <xiaozai@kylinos.cn>
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Date: Wed, 8 May 2024 17:04:43 +0800
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Subject: [PATCH] fix for a crash if one of the expressions in an arithmetic
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for command expands to NULL
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---
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execute_cmd.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/execute_cmd.c b/execute_cmd.c
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index ce221a2..46b671d 100644
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--- a/execute_cmd.c
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+++ b/execute_cmd.c
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@@ -3056,7 +3056,7 @@ eval_arith_for_expr (l, okp)
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temp = expand_arith_string (expr, Q_DOUBLE_QUOTES|Q_ARITH);
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if (l->next)
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free (expr);
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- new = make_word_list (make_word (temp), (WORD_LIST *)NULL);
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+ new = make_word_list (make_word (temp ? temp : ""), (WORD_LIST *)NULL);
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free (temp);
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if (new)
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--
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2.33.0
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