busybox/shell/hush_test/hush-misc/empty_args.tests
Denys Vlasenko f37eb3999b hush: fix handling of empty arguments
function                                             old     new   delta
builtin_exec                                          25      83     +58
parse_stream                                        2242    2261     +19
run_pipe                                            1782    1787      +5
static.pseudo_null_str                                 -       3      +3
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(add/remove: 1/0 grow/shrink: 3/0 up/down: 85/0)               Total: 85 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-18 11:46:35 +02:00

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echo Null 0th arg:
""
echo $?
echo Null 1st arg:
# printf without args would print usage info
printf ""
echo $?
echo Null arg in exec:
exec printf ""