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hush: remove extra comparison from prev commit

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2010-05-21 01:25:16 +02:00
parent 4d8e5fdc1d
commit 4f2c59b267
1 changed files with 2 additions and 4 deletions
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6
shell/hush.c
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@ -2647,14 +2647,12 @@ static NOINLINE int expand_vars_to_list(o_string *output, int n, char *arg, char
end = --exp_word;
if (*exp_word != ':') /* not ${var::...} */
beg = bb_strtou(exp_word, &end, 0);
//bb_error_msg("beg:'%s'=%u end:'%s'", exp_word, beg, end);
//bb_error_msg("beg:'%s'=%u end:'%s'", exp_word, beg, end);
if (*end == ':') {
len = bb_strtou(end + 1, &end, 0);
//bb_error_msg("len:%u end:'%s'", len, end);
}
if (*end == '\0'
&& end != exp_word /* not "${var:}" */
) {
if (*end == '\0') {
//bb_error_msg("from val:'%s'", val);
if (!val || beg >= strlen(val))
val = "";