src/libstddjb/ipc_send.c


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/* ISC license. */

#include <skalibs/nonposix.h>
#include <errno.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <skalibs/bytestr.h>
#include <skalibs/error.h>
#include <skalibs/webipc.h>

int ipc_send (int fd, char const *s, unsigned int len, char const *path)
{
  struct sockaddr_un sa ;
  register unsigned int l = str_len(path) ;
  if (l > IPCPATH_MAX) return (errno = EPROTO, -1) ;
  byte_zero(&sa, sizeof sa) ;
  sa.sun_family = AF_UNIX ;
  byte_copy(sa.sun_path, l+1, path) ;
  return sendto(fd, s, len, 0, (struct sockaddr *)&sa, sizeof sa) ;
}