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authorDenys Vlasenko2010-05-22 06:20:26 +0200
committerDenys Vlasenko2010-05-22 06:20:26 +0200
commite85248afa23434b78e48fe09b57eea5f6657410d (patch)
tree8e4ddbead7f630a6cf3f5e224fb05952818b76a2 /shell/hush_test/hush-vars
parent8a33679694b0fdf459d69868f85c081cab5687cb (diff)
downloadbusybox-e85248afa23434b78e48fe09b57eea5f6657410d.zip
busybox-e85248afa23434b78e48fe09b57eea5f6657410d.tar.gz
hush: fix segfault in ${?:N:M}
function old new delta expand_vars_to_list 2374 2409 +35 builtin_umask 132 133 +1 builtin_exit 47 48 +1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 37/0) Total: 37 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell/hush_test/hush-vars')
-rw-r--r--shell/hush_test/hush-vars/param_expand_alt.right2
-rwxr-xr-xshell/hush_test/hush-vars/param_expand_alt.tests4
-rw-r--r--shell/hush_test/hush-vars/param_expand_bash_substring.right13
-rwxr-xr-xshell/hush_test/hush-vars/param_expand_bash_substring.tests15
4 files changed, 31 insertions, 3 deletions
diff --git a/shell/hush_test/hush-vars/param_expand_alt.right b/shell/hush_test/hush-vars/param_expand_alt.right
index 4d2197a..67f18d6 100644
--- a/shell/hush_test/hush-vars/param_expand_alt.right
+++ b/shell/hush_test/hush-vars/param_expand_alt.right
@@ -1,6 +1,6 @@
hush: syntax error: unterminated ${name}
hush: syntax error: unterminated ${name}
-_0 _0
+__ __
_ _ _ _ _
_aaaa _ _ _word _word
_ _ _ _ _
diff --git a/shell/hush_test/hush-vars/param_expand_alt.tests b/shell/hush_test/hush-vars/param_expand_alt.tests
index dcdca86..3b646b1 100755
--- a/shell/hush_test/hush-vars/param_expand_alt.tests
+++ b/shell/hush_test/hush-vars/param_expand_alt.tests
@@ -2,8 +2,8 @@
"$THIS_SH" -c 'echo ${+} ; echo moo'
"$THIS_SH" -c 'echo ${:+} ; echo moo'
-# now some funky ones
-echo _${#+} _${#:+}
+# now some funky ones. (bash doesn't accept ${#+})
+echo _${#+}_ _${#:+}_
# now some valid ones
set --
diff --git a/shell/hush_test/hush-vars/param_expand_bash_substring.right b/shell/hush_test/hush-vars/param_expand_bash_substring.right
index 53b8836..2f4c51d 100644
--- a/shell/hush_test/hush-vars/param_expand_bash_substring.right
+++ b/shell/hush_test/hush-vars/param_expand_bash_substring.right
@@ -39,6 +39,19 @@ f:1:2=|12|
f::2 =|01|
f:1: =||
f:: =||
+Substrings from special vars
+? =|0|
+?:1 =||
+?:1:2=||
+?::2 =|0|
+?:1: =||
+?:: =||
+# =|11|
+#:1 =|1|
+#:1:2=|1|
+#::2 =|11|
+#:1: =||
+#:: =||
Substrings with expressions
f =|01234567|
f:1+1:2+2 =|2345|
diff --git a/shell/hush_test/hush-vars/param_expand_bash_substring.tests b/shell/hush_test/hush-vars/param_expand_bash_substring.tests
index a80523a..5c9552d 100755
--- a/shell/hush_test/hush-vars/param_expand_bash_substring.tests
+++ b/shell/hush_test/hush-vars/param_expand_bash_substring.tests
@@ -55,6 +55,21 @@ f=0123456789; echo "f::2 =|${f::2}|"
f=0123456789; echo "f:1: =|${f:1:}|"
f=0123456789; echo "f:: =|${f::}|"
+echo "Substrings from special vars"
+echo '? '"=|$?|"
+echo '?:1 '"=|${?:1}|"
+echo '?:1:2'"=|${?:1:2}|"
+echo '?::2 '"=|${?::2}|"
+echo '?:1: '"=|${?:1:}|"
+echo '?:: '"=|${?::}|"
+set -- 1 2 3 4 5 6 7 8 9 10 11
+echo '# '"=|$#|"
+echo '#:1 '"=|${#:1}|"
+echo '#:1:2'"=|${#:1:2}|"
+echo '#::2 '"=|${#::2}|"
+echo '#:1: '"=|${#:1:}|"
+echo '#:: '"=|${#::}|"
+
echo "Substrings with expressions"
f=01234567; echo 'f '"=|$f|"
f=01234567; echo 'f:1+1:2+2 '"=|${f:1+1:2+2}|"