hush: fix a signedness bug
Testcase:
set -- a ""; space=" "; printf "<%s>\n" "$@"$space
Before:
<a >
After:
<a>
<>
It usually does not bite since bbox forces -funsigned-char build.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/hush.c b/shell/hush.c
index b76b8fd..e69903d 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -6015,7 +6015,7 @@
} else
/* If EXP_FLAG_SINGLEWORD, we handle assignment 'a=....$@.....'
* and in this case should treat it like '$*' - see 'else...' below */
- if (first_ch == ('@'|0x80) /* quoted $@ */
+ if (first_ch == (char)('@'|0x80) /* quoted $@ */
&& !(output->o_expflags & EXP_FLAG_SINGLEWORD) /* not v="$@" case */
) {
while (1) {
