UNew.c

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#include "syshdrs.h"
 
#if !defined(NO_UNIX_DOMAIN_SOCKETS)
 
int
MakeSockAddrUn(struct sockaddr_un *uaddr, const char *const sockfile)
{
    int ualen;
 
        memset(uaddr, 0, sizeof(struct sockaddr_un));
    uaddr->sun_family = AF_UNIX;
    strncpy(uaddr->sun_path, sockfile, sizeof(uaddr->sun_path) - 1);
#ifdef HAVE_SOCKADDR_UN_SUN_LEN
        /* 4.3bsd-reno */
        ualen = sizeof(uaddr->sun_len) + sizeof(uaddr->sun_family) + strlen(uaddr->sun_path) + 1;
        uaddr->sun_len = ualen;
#else
        ualen = sizeof(uaddr->sun_family) + strlen(uaddr->sun_path) + 1;
#endif
    return (ualen);
}   /* MakeSockAddrUn */
 
 
 
 
int
UNewStreamClient(void)
{
    int sfd;
 
    sfd = socket(AF_UNIX, SOCK_STREAM, 0);
    if (sfd < 0)
        return kUNewFailed;
 
    return (sfd);
}   /* UNewStreamClient */
 
 
 
 
int
UNewDatagramClient(void)
{
    int sfd;
 
    sfd = socket(AF_UNIX, SOCK_DGRAM, 0);
    if (sfd < 0)
        return kUNewFailed;
 
    return (sfd);
}   /* UNewDatagramClient */
 
 
 
 
int
UNewStreamServer(const char *const astr, const int nTries, const int reuseFlag, int listenQueueSize)
{
    int oerrno;
    int sfd;
 
    sfd = socket(AF_UNIX, SOCK_STREAM, 0);
    if (sfd < 0)
        return kUNewFailed;
 
    if (UBind(sfd, astr, nTries, reuseFlag) < 0) {
        oerrno = errno;
        (void) close(sfd);
        errno = oerrno;
        return kUBindFailed;
    }
 
    if (UListen(sfd, listenQueueSize) < 0) {
        oerrno = errno;
        (void) close(sfd);
        errno = oerrno;
        return kUListenFailed;
    }
 
    return (sfd);
}   /* UNewStreamServer */
 
 
 
 
int
UNewDatagramServer(const char *const astr, const int nTries, const int reuseFlag)
{
    int oerrno;
    int sfd;
 
    sfd = socket(AF_UNIX, SOCK_DGRAM, 0);
    if (sfd < 0)
        return kUNewFailed;
 
    if (UBind(sfd, astr, nTries, reuseFlag) < 0) {
        oerrno = errno;
        (void) close(sfd);
        errno = oerrno;
        return kUBindFailed;
    }
 
    return (sfd);
}   /* UNewDatagramServer */
 
#endif