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hush: small fix to last commit

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die_if_script() indeed dies only in scripts! Must handle the case where it continues.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2017-07-17 16:50:20 +02:00
parent e32b6503e7
commit 0ba80e4fa2
1 changed files with 1 additions and 1 deletions
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shell/hush.c
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@ -5736,7 +5736,7 @@ static NOINLINE const char *expand_one_var(char **to_be_freed_pp, char *arg, cha
if (len < 0) /* bash compat */ if (len < 0) /* bash compat */
die_if_script("%s: substring expression < 0", var); die_if_script("%s: substring expression < 0", var);
} }
if (len == 0 || !val || beg >= strlen(val)) { if (len <= 0 || !val || beg >= strlen(val)) {
arith_err: arith_err:
val = NULL; val = NULL;
} else { } else {