KFunc bpf_strcspn
Calculate the length of the initial sub-string of s__ign which does not contain letters in reject__ign
Definition
Parameters
s__ign: The string to be searched
reject__ign: The string to search for
Returns
>=0- The length of the initial substring ofs__ignwhich does not contain letters fromreject__ign-EFAULT- Cannot read one of the strings-E2BIG- One of the strings is too large-ERANGE- One of the strings is outside of kernel address space
Signature
int bpf_strcspn(const char *s__ign, const char *reject__ign)
Usage
Docs could be improved
This part of the docs is incomplete, contributions are very welcome
Program types
The following program types can make use of this kfunc:
BPF_PROG_TYPE_CGROUP_DEVICEv6.12 -BPF_PROG_TYPE_CGROUP_SKBBPF_PROG_TYPE_CGROUP_SOCKv6.12 -BPF_PROG_TYPE_CGROUP_SOCKOPTv6.12 -BPF_PROG_TYPE_CGROUP_SOCK_ADDRv6.7 -BPF_PROG_TYPE_CGROUP_SYSCTLv6.12 -BPF_PROG_TYPE_LSMBPF_PROG_TYPE_LWT_INBPF_PROG_TYPE_LWT_OUTBPF_PROG_TYPE_LWT_SEG6LOCALBPF_PROG_TYPE_LWT_XMITBPF_PROG_TYPE_NETFILTERBPF_PROG_TYPE_PERF_EVENTv6.12 -BPF_PROG_TYPE_SCHED_ACTBPF_PROG_TYPE_SCHED_CLSBPF_PROG_TYPE_SK_SKBBPF_PROG_TYPE_SOCKET_FILTERBPF_PROG_TYPE_SOCK_OPSv6.15 -BPF_PROG_TYPE_STRUCT_OPSBPF_PROG_TYPE_SYSCALLBPF_PROG_TYPE_TRACEPOINTv6.12 -BPF_PROG_TYPE_TRACINGBPF_PROG_TYPE_XDP
Example
Docs could be improved
This part of the docs is incomplete, contributions are very welcome