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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2020-12-27 16:04:54 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2020-12-27 16:04:54 +0100 |
| commit | c7ef8187688b0e7f92d19b3fed2c4ecffe39a688 (patch) | |
| tree | 56fa071390a864c58550390e213a1a8bb7355397 /shell/hush.c | |
| parent | 1462673dde780091664dbbc79e1c01811bd48e40 (diff) | |
| download | busybox-w32-c7ef8187688b0e7f92d19b3fed2c4ecffe39a688.tar.gz busybox-w32-c7ef8187688b0e7f92d19b3fed2c4ecffe39a688.tar.bz2 busybox-w32-c7ef8187688b0e7f92d19b3fed2c4ecffe39a688.zip | |
hush: make comment more clear
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell/hush.c')
| -rw-r--r-- | shell/hush.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/shell/hush.c b/shell/hush.c index f9a295e8d..f5cbbc39f 100644 --- a/shell/hush.c +++ b/shell/hush.c | |||
| @@ -6694,12 +6694,13 @@ static NOINLINE int expand_one_var(o_string *output, int n, | |||
| 6694 | * | 6694 | * |
| 6695 | * Word-splitting and single quote behavior: | 6695 | * Word-splitting and single quote behavior: |
| 6696 | * | 6696 | * |
| 6697 | * $ f() { for i; do echo "|$i|"; done; }; | 6697 | * $ f() { for i; do echo "|$i|"; done; } |
| 6698 | * | 6698 | * |
| 6699 | * $ x=; f ${x:?'x y' z} | 6699 | * $ x=; f ${x:?'x y' z}; echo $? |
| 6700 | * bash: x: x y z #BUG: does not abort, ${} results in empty expansion | 6700 | * bash: x: x y z # neither f nor "echo $?" executes |
| 6701 | * (if interactive, bash does not exit, but merely aborts to prompt. $? is set to 1) | ||
| 6701 | * $ x=; f "${x:?'x y' z}" | 6702 | * $ x=; f "${x:?'x y' z}" |
| 6702 | * bash: x: x y z # dash prints: dash: x: 'x y' z #BUG: does not abort, ${} results in "" | 6703 | * bash: x: x y z # dash prints: dash: x: 'x y' z |
| 6703 | * | 6704 | * |
| 6704 | * $ x=; f ${x:='x y' z} | 6705 | * $ x=; f ${x:='x y' z} |
| 6705 | * |x| | 6706 | * |x| |