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"""
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Libc stuff
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"""
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cdef extern from "stdint.h":
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# yes, these are "wrong"
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ctypedef unsigned char uint8_t
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ctypedef unsigned short uint16_t
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ctypedef unsigned int uint32_t
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ctypedef signed char int8_t
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ctypedef signed short int16_t
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ctypedef signed int int32_t
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# <linux/types.h>
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cdef extern from "linux/types.h" :
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ctypedef uint8_t __u8
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ctypedef uint16_t __u16
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ctypedef uint32_t __u32
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ctypedef int8_t __s8
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ctypedef int16_t __s16
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ctypedef int32_t __s32
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cdef extern from "alloca.h" :
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void* alloca (size_t size)
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# <sys/socket.h>
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cdef extern from "sys/socket.h" :
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enum :
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SOCK_STREAM
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SOCK_DGRAM
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SOCK_SEQPACKET
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enum :
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PF_UNSPEC
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PF_LOCAL
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PF_INET
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PF_INET6
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# these are #defines
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enum :
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PF_UNIX
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AF_UNSPEC
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AF_LOCAL
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AF_UNIX
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AF_INET
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AF_INET6
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ctypedef uint16_t sa_family_t
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ctypedef uint16_t in_port_t
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ctypedef uint32_t in_addr_t
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## AF_INET
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struct in_addr :
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in_addr_t s_addr
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struct sockaddr_in :
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sa_family_t sin_family
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in_port_t sin_port
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in_addr sin_addr
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# XXX: should these be in another cdef?
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in_addr_t INADDR_ANY
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## AF_INET6
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struct in6_addr :
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pass
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struct sockaddr_in6 :
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sa_family_t sin6_family
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in_port_t sin6_port
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uint32_t sin6_flowinfo
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in6_addr sin6_addr
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uint32_t sin6_scope_id
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# common in6_addr's
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in6_addr in6addr_any
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in6_addr in6addr_loopback
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## actually from bits/socket.h...
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struct sockaddr :
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sa_family_t sa_family
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struct sockaddr_storage :
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sa_family_t ss_family
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cdef extern from "arpa/inet.h" :
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uint16_t htons(uint16_t)
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uint32_t htonl(uint32_t)
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uint16_t ntohs(uint16_t)
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uint32_t ntohl(uint32_t)
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# XXX: correct?!
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ctypedef size_t socklen_t
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## constants
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enum :
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INET_ADDRSTRLEN
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INET6_ADDRSTRLEN
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char* c_inet_ntop "inet_ntop" (int af, void *sockaddr, char *buf, socklen_t len)
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int c_inet_pton "inet_pton" (int af, char *src, void *dst)
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cdef extern from "netdb.h" :
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int c_getnameinfo "getnameinfo" (
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sockaddr *sa, socklen_t salen,
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char *host, size_t hostlen,
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char *serv, size_t servlen,
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int flags
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)
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enum :
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NI_NOFQDN
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NI_NUMERICHOST
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NI_NAMEREQD
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NI_NUMERICSERV
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NI_DGRAM
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NI_MAXHOST
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NI_MAXSERV
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char* gai_strerror (int err)
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# python-friendly wrapper around inet_ntop
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cdef object inet_ntop (int af, void *sockaddr)
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cdef object inet_pton (int af, char *addr, void *sockaddr_out)
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# sockaddr, flags -> (host, service)
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cdef object getnameinfo (sockaddr *sa, socklen_t salen, int flags)
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