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authorJames Hogan2013-05-07 12:32:21 +0100
committerDenys Vlasenko2013-05-16 14:47:05 +0200
commit5fc0585c01a6b87432f344c98eb544e116c2d1d4 (patch)
tree6695af7cfe19d48e9e9d0c8cedc93b7e73ba6b28 /testsuite
parentaa94130f744ae229e5392eb4e303a9805a9963fb (diff)
downloadbusybox-5fc0585c01a6b87432f344c98eb544e116c2d1d4.zip
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grep: fix grep -x to not set REG_NOSUB
When -F isn't specified (and !ENABLE_EXTRA_COMPAT), grep -x uses regexec's regmatch_t output to determine if the match was the entire line. However it also set the REG_NOSUB flag which makes it ignore the regmatch_t argument. Add an exception to the setting of REG_NOSUB for OPT_x and add some test cases to test the behaviour of -x. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Natanael Copa <ncopa@alpinelinux.org> Cc: Denys Vlasenko <vda.linux@googlemail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'testsuite')
-rwxr-xr-xtestsuite/grep.tests14
1 files changed, 14 insertions, 0 deletions
diff --git a/testsuite/grep.tests b/testsuite/grep.tests
index 5696fa7..64d99a9 100755
--- a/testsuite/grep.tests
+++ b/testsuite/grep.tests
@@ -82,6 +82,20 @@ testing "grep -F handles -i" "grep -F -i foo input ; echo \$?" \
testing "grep can read regexps from stdin" "grep -f - input ; echo \$?" \
"two\nthree\n0\n" "tw\ntwo\nthree\n" "tw.\nthr\n"
+# -x (whole line match)
+testing "grep -x (full match)" "grep -x foo input ; echo \$?" \
+ "foo\n0\n" "foo\n" ""
+testing "grep -x (partial match 1)" "grep -x foo input ; echo \$?" \
+ "1\n" "foo bar\n" ""
+testing "grep -x (partial match 2)" "grep -x foo input ; echo \$?" \
+ "1\n" "bar foo\n" ""
+testing "grep -x -F (full match)" "grep -x -F foo input ; echo \$?" \
+ "foo\n0\n" "foo\n" ""
+testing "grep -x -F (partial match 1)" "grep -x -F foo input ; echo \$?" \
+ "1\n" "foo bar\n" ""
+testing "grep -x -F (partial match 2)" "grep -x -F foo input ; echo \$?" \
+ "1\n" "bar foo\n" ""
+
optional FEATURE_GREP_EGREP_ALIAS
testing "grep -E supports extended regexps" "grep -E fo+" "foo\n" "" \
"b\ar\nfoo\nbaz"