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| author | Denys Vlasenko | 2016-09-29 16:59:06 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2016-09-29 16:59:06 +0200 |
| commit | 8286513838beaf9ccaab15bb5905248c3b7b8a69 (patch) | |
| tree | b7d72f0867668509260ea6b074c416702fb6fa2b /shell/hush_test | |
| parent | 3b4d04b77eb5cfdb8ac6a799a3f3ccf1e455d0e7 (diff) | |
| download | busybox-8286513838beaf9ccaab15bb5905248c3b7b8a69.zip busybox-8286513838beaf9ccaab15bb5905248c3b7b8a69.tar.gz | |
hush: rework input char buffering to allow more than one-deep peek
This fixes backslash+newline continuation in
$VAR\
NAME
construct. (ash has a bug there as well).
function old new delta
file_peek2 - 74 +74
parse_dollar 746 773 +27
expand_vars_to_list 1143 1167 +24
setup_string_in_str 32 46 +14
setup_file_in_str 33 47 +14
file_get 264 278 +14
static_peek2 - 7 +7
file_peek 91 72 -19
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 5/1 up/down: 174/-19) Total: 155 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell/hush_test')
| -rw-r--r-- | shell/hush_test/hush-vars/var_unbackslash1.right | 3 | ||||
| -rwxr-xr-x | shell/hush_test/hush-vars/var_unbackslash1.tests | 15 |
2 files changed, 18 insertions, 0 deletions
diff --git a/shell/hush_test/hush-vars/var_unbackslash1.right b/shell/hush_test/hush-vars/var_unbackslash1.right new file mode 100644 index 0000000..8d4eca3 --- /dev/null +++ b/shell/hush_test/hush-vars/var_unbackslash1.right @@ -0,0 +1,3 @@ +Ok +Ba d +Ok diff --git a/shell/hush_test/hush-vars/var_unbackslash1.tests b/shell/hush_test/hush-vars/var_unbackslash1.tests new file mode 100755 index 0000000..8a9f2e2 --- /dev/null +++ b/shell/hush_test/hush-vars/var_unbackslash1.tests @@ -0,0 +1,15 @@ +ad="Ok" +a="Ba" + +# "Ok" +echo $a\ +d + +# This variable contains backslash+newline! +e='echo $a\ +d' + +# "Ba d" +eval $e +# "Ok" +eval "$e" |