Apply post-1.22.0 patches, bump version to 1.22.1

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

Makefile

@@ -1,6 +1,6 @@
 VERSION = 1
 PATCHLEVEL = 22
-SUBLEVEL = 0
+SUBLEVEL = 1
 EXTRAVERSION =
 NAME = Unnamed
 

findutils/find.c

@@ -1291,9 +1291,27 @@ int find_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int find_main(int argc UNUSED_PARAM, char **argv)
 {
 	int i, firstopt, status = EXIT_SUCCESS;
+	char **past_HLP, *saved;
 
 	INIT_G();
 
+	/* "find -type f" + getopt("+HLP") => disaster.
+	 * Need to avoid getopt running into a non-HLP option.
+	 * Do this by temporarily storing NULL there:
+	 */
+	past_HLP = argv;
+	for (;;) {
+		saved = *++past_HLP;
+		if (!saved)
+			break;
+		if (saved[0] != '-')
+			break;
+		if (!saved[1])
+			break; /* it is "-" */
+		if ((saved+1)[strspn(saved+1, "HLP")] != '\0')
+			break;
+	}
+	*past_HLP = NULL;
 	/* "+": stop on first non-option */
 	i = getopt32(argv, "+HLP");
 	if (i & (1<<0))
@@ -1301,7 +1319,8 @@ int find_main(int argc UNUSED_PARAM, char **argv)
 	if (i & (1<<1))
 		G.recurse_flags |= ACTION_FOLLOWLINKS | ACTION_DANGLING_OK;
 	/* -P is default and is ignored */
-	argv += optind;
+	argv = past_HLP; /* same result as "argv += optind;" */
+	*past_HLP = saved;
 
 	for (firstopt = 0; argv[firstopt]; firstopt++) {
 		if (argv[firstopt][0] == '-')

findutils/grep.c

@@ -373,6 +373,9 @@ static int grep_file(FILE *file)
  opt_f_not_found: ;
 				}
 			} else {
+#if ENABLE_EXTRA_COMPAT
+				unsigned start_pos;
+#endif
 				char *match_at;
 
 				if (!(gl->flg_mem_alocated_compiled & COMPILED)) {
@@ -389,15 +392,18 @@ static int grep_file(FILE *file)
 #if !ENABLE_EXTRA_COMPAT
 				gl->matched_range.rm_so = 0;
 				gl->matched_range.rm_eo = 0;
+#else
+				start_pos = 0;
 #endif
 				match_at = line;
  opt_w_again:
+//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
 #else
 					re_search(&gl->compiled_regex, match_at, line_len,
-							/*start:*/ 0, /*range:*/ line_len,
+							start_pos, /*range:*/ line_len,
 							&gl->matched_range) >= 0
 #endif
 				) {
@@ -416,8 +422,24 @@ static int grep_file(FILE *file)
 							if (!c || (!isalnum(c) && c != '_')) {
 								found = 1;
 							} else {
-								match_at += gl->matched_range.rm_eo;
-								goto opt_w_again;
+			/*
+			 * Why check gl->matched_range.rm_eo?
+			 * Zero-length match makes -w skip the line:
+			 * "echo foo | grep ^" prints "foo",
+			 * "echo foo | grep -w ^" prints nothing.
+			 * Without such check, we can loop forever.
+			 */
+#if !ENABLE_EXTRA_COMPAT
+								if (gl->matched_range.rm_eo != 0) {
+									match_at += gl->matched_range.rm_eo;
+									goto opt_w_again;
+								}
+#else
+								if (gl->matched_range.rm_eo > start_pos) {
+									start_pos = gl->matched_range.rm_eo;
+									goto opt_w_again;
+								}
+#endif
 							}
 						}
 					}

libbb/lineedit.c

@@ -1255,7 +1255,9 @@ line_input_t* FAST_FUNC new_line_input_t(int flags)
 {
 	line_input_t *n = xzalloc(sizeof(*n));
 	n->flags = flags;
+#if MAX_HISTORY > 0
 	n->max_history = MAX_HISTORY;
+#endif
 	return n;
 }
 

networking/ntpd.c

@@ -1445,6 +1445,8 @@ update_local_clock(peer_t *p)
 
 		run_script("step", offset);
 
+		recv_time += offset;
+
 #if USING_INITIAL_FREQ_ESTIMATION
 		if (G.discipline_state == STATE_NSET) {
 			set_new_values(STATE_FREQ, /*offset:*/ 0, recv_time);

testsuite/grep.tests

@@ -147,6 +147,18 @@ testing "grep -w doesn't stop on 1st mismatch" \
 	"foop foo\n" \
 	""
 
+testing "grep -w ^str doesn't match str not at the beginning" \
+	"grep -w ^str input" \
+	"" \
+	"strstr\n" \
+	""
+
+testing "grep -w ^ doesn't hang" \
+	"grep -w ^ input" \
+	"" \
+	"anything\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