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/* ISC license. */
#include <skalibs/sysdeps.h>
#include <skalibs/nonposix.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <skalibs/bytestr.h>
#include <skalibs/djbunix.h>
#include <skalibs/socket.h>
int ipc_accept_internal (int s, char *p, size_t l, int *trunc, unsigned int options)
{
struct sockaddr_un sa ;
socklen_t dummy = sizeof sa ;
int fd ;
memset(&sa, 0, dummy) ;
do
#ifdef SKALIBS_HASACCEPT4
fd = accept4(s, (struct sockaddr *)&sa, &dummy, ((options & O_NONBLOCK) ? SOCK_NONBLOCK : 0) | ((options & O_CLOEXEC) ? SOCK_CLOEXEC : 0)) ;
#else
fd = accept(s, (struct sockaddr *)&sa, &dummy) ;
#endif
while ((fd == -1) && (errno == EINTR)) ;
if (fd == -1) return -1 ;
#ifndef SKALIBS_HASACCEPT4
if ((((options & O_NONBLOCK) ? ndelay_on(fd) : ndelay_off(fd)) < 0)
|| (((options & O_CLOEXEC) ? coe(fd) : uncoe(fd)) < 0))
{
fd_close(fd) ;
return -1 ;
}
#endif
if (p)
{
dummy = byte_chr(sa.sun_path, dummy, 0) ;
*trunc = 1 ;
if (!l) return fd ;
if (l < (dummy + 1)) dummy = l - 1 ;
else *trunc = 0 ;
memcpy(p, sa.sun_path, dummy) ;
p[dummy] = 0 ;
}
return fd ;
}
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