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-rw-r--r--findutils/grep.c8
-rwxr-xr-xtestsuite/grep.tests6
2 files changed, 12 insertions, 2 deletions
diff --git a/findutils/grep.c b/findutils/grep.c
index a7bc4ca..7685946 100644
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -375,6 +375,8 @@ static int grep_file(FILE *file)
} else {
#if ENABLE_EXTRA_COMPAT
unsigned start_pos;
+#else
+ int match_flg;
#endif
char *match_at;
@@ -392,6 +394,7 @@ static int grep_file(FILE *file)
#if !ENABLE_EXTRA_COMPAT
gl->matched_range.rm_so = 0;
gl->matched_range.rm_eo = 0;
+ match_flg = 0;
#else
start_pos = 0;
#endif
@@ -400,7 +403,7 @@ static int grep_file(FILE *file)
//bb_error_msg("'%s' start_pos:%d line_len:%d", match_at, start_pos, line_len);
if (
#if !ENABLE_EXTRA_COMPAT
- regexec(&gl->compiled_regex, match_at, 1, &gl->matched_range, 0) == 0
+ regexec(&gl->compiled_regex, match_at, 1, &gl->matched_range, match_flg) == 0
#else
re_search(&gl->compiled_regex, match_at, line_len,
start_pos, /*range:*/ line_len,
@@ -415,7 +418,7 @@ static int grep_file(FILE *file)
found = 1;
} else {
char c = ' ';
- if (gl->matched_range.rm_so)
+ if (match_at > line || gl->matched_range.rm_so != 0)
c = match_at[gl->matched_range.rm_so - 1];
if (!isalnum(c) && c != '_') {
c = match_at[gl->matched_range.rm_eo];
@@ -432,6 +435,7 @@ static int grep_file(FILE *file)
#if !ENABLE_EXTRA_COMPAT
if (gl->matched_range.rm_eo != 0) {
match_at += gl->matched_range.rm_eo;
+ match_flg |= REG_NOTBOL;
goto opt_w_again;
}
#else
diff --git a/testsuite/grep.tests b/testsuite/grep.tests
index 412efff..74b0eb6 100755
--- a/testsuite/grep.tests
+++ b/testsuite/grep.tests
@@ -159,6 +159,12 @@ testing "grep -w ^ doesn't hang" \
"anything\n" \
""
+testing "grep -w word doesn't match wordword" \
+ "grep -w word input" \
+ "" \
+ "wordword\n" \
+ ""
+
# testing "test name" "commands" "expected result" "file input" "stdin"
# file input will be file called "input"
# test can create a file "actual" instead of writing to stdout