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authorDenys Vlasenko2017-07-17 16:50:20 +0200
committerDenys Vlasenko2017-07-17 16:50:20 +0200
commit0ba80e4fa251a1c753e5feaff4b358a427aa58cb (patch)
treec52cc7c1f6c51b7c069e8783ade4e7de3b112664 /shell
parente32b6503e75d5bcbf8ffff69cafb09523ff2b482 (diff)
downloadbusybox-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.c2
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 {