sed: support \r in s command

function                                             old     new   delta
copy_parsing_escapes                                  65      91     +26

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/editors/sed.c b/editors/sed.c
index 9e27e3e..11c4763 100644 (file)
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -218,8 +218,9 @@ static char *copy_parsing_escapes(const char *string, int len)
        char *dest = xmalloc(len + 1);
 
        parse_escapes(dest, string, len, 'n', '\n');
-       /* GNU sed also recognizes \t */
+       /* GNU sed also recognizes \t and \r */
        parse_escapes(dest, dest, strlen(dest), 't', '\t');
+       parse_escapes(dest, dest, strlen(dest), 'r', '\r');
        return dest;
 }
 

diff --git a/testsuite/sed.tests b/testsuite/sed.tests
index 395372a..e9d0ed6 100755 (executable)
--- a/testsuite/sed.tests
+++ b/testsuite/sed.tests
@@ -287,6 +287,9 @@ testing "sed -i with address modifies all files, not only first" \
        "cp input input2; sed -i -e '1s/foo/bar/' input input2 && cat input input2; rm input2" \
        "bar\nbar\n" "foo\n" ""
 
+testing "sed understands \r" \
+       "sed 's/r/\r/'" \
+       "\rrr\n" "" "rrr\n"
 
 # testing "description" "arguments" "result" "infile" "stdin"