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author | Denys Vlasenko | 2017-07-17 16:50:20 +0200 |
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committer | Denys Vlasenko | 2017-07-17 16:50:20 +0200 |
commit | 0ba80e4fa251a1c753e5feaff4b358a427aa58cb (patch) | |
tree | c52cc7c1f6c51b7c069e8783ade4e7de3b112664 /shell | |
parent | e32b6503e75d5bcbf8ffff69cafb09523ff2b482 (diff) | |
download | busybox-0ba80e4fa251a1c753e5feaff4b358a427aa58cb.zip busybox-0ba80e4fa251a1c753e5feaff4b358a427aa58cb.tar.gz |
hush: small fix to last commit
die_if_script() indeed dies only in scripts! Must handle the case where it continues.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell')
-rw-r--r-- | shell/hush.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/shell/hush.c b/shell/hush.c index 836f3b8..c8356f4 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -5736,7 +5736,7 @@ static NOINLINE const char *expand_one_var(char **to_be_freed_pp, char *arg, cha if (len < 0) /* bash compat */ die_if_script("%s: substring expression < 0", var); } - if (len == 0 || !val || beg >= strlen(val)) { + if (len <= 0 || !val || beg >= strlen(val)) { arith_err: val = NULL; } else { |