On Sat, 2025-10-04 at 22:47 +0800, Rong Tao wrote: > From: Rong Tao <[email protected]> > > Add tests for new kfuncs bpf_strcasestr() and bpf_strncasestr(). > > Signed-off-by: Rong Tao <[email protected]> > ---
Acked-by: Eduard Zingerman <[email protected]> [...] > diff --git a/tools/testing/selftests/bpf/progs/string_kfuncs_success.c > b/tools/testing/selftests/bpf/progs/string_kfuncs_success.c > index 2e3498e37b9c..d21330b4cc3b 100644 > --- a/tools/testing/selftests/bpf/progs/string_kfuncs_success.c > +++ b/tools/testing/selftests/bpf/progs/string_kfuncs_success.c > @@ -33,8 +33,12 @@ __test(11) int test_strnlen(void *ctx) { return > bpf_strnlen(str, 12); } > __test(5) int test_strspn(void *ctx) { return bpf_strspn(str, "ehlo"); } > __test(2) int test_strcspn(void *ctx) { return bpf_strcspn(str, "lo"); } > __test(6) int test_strstr_found(void *ctx) { return bpf_strstr(str, > "world"); } > +__test(6) int test_strcasestr_found1(void *ctx) { return bpf_strcasestr(str, > "world"); } > +__test(6) int test_strcasestr_found2(void *ctx) { return bpf_strcasestr(str, > "WORLD"); } Nit: I'd compress these two tests into one: __test(6) int test_strcasestr_found1(void *ctx) { return bpf_strcasestr(str, "woRLD"); } (and did the same for (str, "hello") variants below). > __test(-ENOENT) int test_strstr_notfound(void *ctx) { return bpf_strstr(str, > "hi"); } > +__test(-ENOENT) int test_strcasestr_notfound(void *ctx) { return > bpf_strcasestr(str, "hi"); } > __test(0) int test_strstr_empty(void *ctx) { return bpf_strstr(str, ""); } > +__test(0) int test_strcasestr_empty(void *ctx) { return bpf_strcasestr(str, > ""); } > __test(0) int test_strnstr_found1(void *ctx) { return bpf_strnstr("", "", > 0); } > __test(0) int test_strnstr_found2(void *ctx) { return bpf_strnstr(str, > "hello", 5); } > __test(0) int test_strnstr_found3(void *ctx) { return bpf_strnstr(str, > "hello", 6); } > @@ -42,5 +46,14 @@ __test(-ENOENT) int test_strnstr_notfound1(void *ctx) { > return bpf_strnstr(str, > __test(-ENOENT) int test_strnstr_notfound2(void *ctx) { return > bpf_strnstr(str, "hello", 4); } > __test(-ENOENT) int test_strnstr_notfound3(void *ctx) { return > bpf_strnstr("", "a", 0); } > __test(0) int test_strnstr_empty(void *ctx) { return bpf_strnstr(str, "", > 1); } > +__test(0) int test_strncasestr_found1(void *ctx) { return > bpf_strncasestr("", "", 0); } > +__test(0) int test_strncasestr_found2(void *ctx) { return > bpf_strncasestr(str, "hello", 5); } > +__test(0) int test_strncasestr_found3(void *ctx) { return > bpf_strncasestr(str, "hello", 6); } > +__test(0) int test_strncasestr_found4(void *ctx) { return > bpf_strncasestr(str, "HELLO", 5); } > +__test(0) int test_strncasestr_found5(void *ctx) { return > bpf_strncasestr(str, "HELLO", 6); } > +__test(-ENOENT) int test_strncasestr_notfound1(void *ctx) { return > bpf_strncasestr(str, "hi", 10); } > +__test(-ENOENT) int test_strncasestr_notfound2(void *ctx) { return > bpf_strncasestr(str, "hello", 4); } > +__test(-ENOENT) int test_strncasestr_notfound3(void *ctx) { return > bpf_strncasestr("", "a", 0); } > +__test(0) int test_strncasestr_empty(void *ctx) { return > bpf_strncasestr(str, "", 1); } > > char _license[] SEC("license") = "GPL";

