Merge branch 'u-boot-net-20250212' of https://source.denx.de/u-boot/custodians/u-boot-net

CI: https://source.denx.de/u-boot/custodians/u-boot-net/-/pipelines/24577

net-lwip:
* Fix incorrect selection of ethernet device on boards having more than
  one
* Fix TFTP option processing
* Make the WGET_HTTPS Kconfig symbol depend on DM_RNG

lib:
* Add strnstr()

1 files changed, 40 insertions, 0 deletions

diff --git a/test/lib/string.c b/test/lib/string.c
index 8d22f3fd68f..31391a387b9 100644
--- a/test/lib/string.c
+++ b/test/lib/string.c
@@ -11,6 +11,7 @@
 
 #include <command.h>
 #include <log.h>
+#include <string.h>
 #include <test/lib.h>
 #include <test/test.h>
 #include <test/ut.h>
@@ -221,3 +222,42 @@ static int lib_memdup(struct unit_test_state *uts)
 	return 0;
 }
 LIB_TEST(lib_memdup, 0);
+
+/** lib_strnstr() - unit test for strnstr() */
+static int lib_strnstr(struct unit_test_state *uts)
+{
+	const char *s1 = "Itsy Bitsy Teenie Weenie";
+	const char *s2 = "eenie";
+	const char *s3 = "eery";
+
+	ut_asserteq_ptr(&s1[12], strnstr(s1, s2, SIZE_MAX));
+	ut_asserteq_ptr(&s1[12], strnstr(s1, s2, 17));
+	ut_assertnull(strnstr(s1, s2, 16));
+	ut_assertnull(strnstr(s1, s2, 0));
+	ut_asserteq_ptr(&s1[13], strnstr(&s1[3], &s2[1], SIZE_MAX));
+	ut_asserteq_ptr(&s1[13], strnstr(&s1[3], &s2[1], 14));
+	ut_assertnull(strnstr(&s1[3], &s2[1], 13));
+	ut_assertnull(strnstr(&s1[3], &s2[1], 0));
+	ut_assertnull(strnstr(s1, s3, SIZE_MAX));
+	ut_assertnull(strnstr(s1, s3, 0));
+
+	return 0;
+}
+LIB_TEST(lib_strnstr, 0);
+
+/** lib_strstr() - unit test for strstr() */
+static int lib_strstr(struct unit_test_state *uts)
+{
+	const char *s1 = "Itsy Bitsy Teenie Weenie";
+	const char *s2 = "eenie";
+	const char *s3 = "easy";
+
+	ut_asserteq_ptr(&s1[12], strstr(s1, s2));
+	ut_asserteq_ptr(&s1[13], strstr(&s1[3], &s2[1]));
+	ut_assertnull(strstr(s1, s3));
+	ut_asserteq_ptr(&s1[2], strstr(s1, &s3[2]));
+	ut_asserteq_ptr(&s1[8], strstr(&s1[5], &s3[2]));
+
+	return 0;
+}
+LIB_TEST(lib_strstr, 0);