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authorDenys Vlasenko2016-09-29 16:59:06 +0200
committerDenys Vlasenko2016-09-29 16:59:06 +0200
commit8286513838beaf9ccaab15bb5905248c3b7b8a69 (patch)
treeb7d72f0867668509260ea6b074c416702fb6fa2b /shell/hush_test/hush-vars
parent3b4d04b77eb5cfdb8ac6a799a3f3ccf1e455d0e7 (diff)
downloadbusybox-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/hush-vars')
-rw-r--r--shell/hush_test/hush-vars/var_unbackslash1.right3
-rwxr-xr-xshell/hush_test/hush-vars/var_unbackslash1.tests15
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"