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-rw-r--r--ChangeLog5
-rw-r--r--Src/utils.c34
-rw-r--r--Test/A03quoting.ztst14
3 files changed, 43 insertions, 10 deletions
diff --git a/ChangeLog b/ChangeLog
index b474eb635..fa6fbff49 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,8 @@
2007-01-27 Peter Stephenson <p.w.stephenson@ntlworld.com>
- * 23136: Src/utils.c, Test/A03quoting.ztst: 23097 added Bnulls
- for backslashes in $'...' strings but then didn't handle them.
+ * 23136, 23138: Src/utils.c, Test/A03quoting.ztst: 23097 added
+ Bnulls for backslashes in $'...' strings but then didn't handle
+ them.
2007-01-26 Wayne Davison <wayned@users.sourceforge.net>
diff --git a/Src/utils.c b/Src/utils.c
index c0ccc6715..ce7b4caac 100644
--- a/Src/utils.c
+++ b/Src/utils.c
@@ -4915,27 +4915,45 @@ getkeystring(char *s, int *len, int how, int *misc)
*t++ = *++s ^ 32;
else {
if (itok(*s)) {
+ /*
+ * We need to be quite careful here. We haven't
+ * necessarily got an input stream with all tokens
+ * removed, so the majority of tokens need passing
+ * through untouched and without Meta handling.
+ * However, me may need to handle tokenized
+ * backslashes.
+ */
if (meta || control) {
/*
* Presumably we should be using meta or control
* on the character representing the token.
+ *
+ * Special case: $'\M-\\' where the token is a Bnull.
+ * This time we dump the Bnull since we're
+ * replacing the whole thing. The lexer
+ * doesn't know about the meta or control modifiers.
*/
- *t++ = ztokens[*s - Pound];
+ if ((how & GETKEY_DOLLAR_QUOTE) && *s == Bnull)
+ *t++ = *++s;
+ else
+ *t++ = ztokens[*s - Pound];
} else if (how & GETKEY_DOLLAR_QUOTE) {
+ /*
+ * We don't want to metafy this, it's a real
+ * token.
+ */
+ *tdest++ = *s;
if (*s == Bnull) {
/*
* Bnull is a backslash which quotes a couple
* of special characters that always appear
* literally next. See strquote handling
- * in gettokstr() in lex.c.
+ * in gettokstr() in lex.c. We need
+ * to retain the Bnull (as above) so that quote
+ * handling in completion can tell where the
+ * backslash was.
*/
*tdest++ = *++s;
- } else {
- /*
- * We don't want to metafy this, it's a real
- * token.
- */
- *tdest++ = *s;
}
continue;
} else
diff --git a/Test/A03quoting.ztst b/Test/A03quoting.ztst
index 3187382a8..54005ebe3 100644
--- a/Test/A03quoting.ztst
+++ b/Test/A03quoting.ztst
@@ -17,6 +17,20 @@
0:$'-style quotes with backslashed backslashes
>'a \' is 'a backslash' is 'a \'
+ chars=$(print -r $'BS\\MBS\M-\\')
+ for (( i = 1; i <= $#chars; i++ )); do
+ char=$chars[$i]
+ print $(( [#16] #char ))
+ done
+0:$'-style quote with metafied backslash
+>16#42
+>16#53
+>16#5C
+>16#4D
+>16#42
+>16#53
+>16#DC
+
print -r ''''
setopt rcquotes
# We need to set rcquotes here for the next example since it is