kernel/bpf/helpers.c

4666

BTF_ID_FLAGS(func, bpf_strchr);

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

38

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

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

64

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

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

92

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

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

12

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

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

27

__test(1) int test_strchr_found(void *ctx) { return bpf_strchr(str, 'e'); }

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

28

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

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

29

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