kernel/bpf/helpers.c

4669

BTF_ID_FLAGS(func, bpf_strrchr);

tools/testing/selftests/bpf/progs/string_kfuncs_failure1.c

41

SEC("syscall") __retval(USER_PTR_ERR)int test_strrchr_null(void *ctx) { return bpf_strrchr(NULL, 'a'); }

tools/testing/selftests/bpf/progs/string_kfuncs_failure1.c

67

SEC("syscall") __retval(USER_PTR_ERR) int test_strrchr_user_ptr(void *ctx) { return bpf_strrchr(user_ptr, 'a'); }

tools/testing/selftests/bpf/progs/string_kfuncs_failure1.c

95

SEC("syscall") __retval(-EFAULT) int test_strrchr_pagefault(void *ctx) { return bpf_strrchr(invalid_kern_ptr, 'a'); }

tools/testing/selftests/bpf/progs/string_kfuncs_failure2.c

15

SEC("syscall") int test_strrchr_too_long(void *ctx) { return bpf_strrchr(long_str, 'b'); }

tools/testing/selftests/bpf/progs/string_kfuncs_success.c

35

__test(9) int test_strrchr_found(void *ctx) { return bpf_strrchr(str, 'l'); }

tools/testing/selftests/bpf/progs/string_kfuncs_success.c

36

__test(11) int test_strrchr_null(void *ctx) { return bpf_strrchr(str, '\0'); }

tools/testing/selftests/bpf/progs/string_kfuncs_success.c

37

__test(-ENOENT) int test_strrchr_notfound(void *ctx) { return bpf_strrchr(str, 'x'); }