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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_recv (int fd, char *s, unsigned int len, char *path)
{
struct sockaddr_un sa = { .sun_family = AF_UNIX } ;
socklen_t total = sizeof sa ;
char tmp[len] ;
register int r ;
do r = recvfrom(fd, tmp, len, 0, (struct sockaddr *)&sa, &total) ;
while ((r == -1) && (errno == EINTR)) ;
if (r < 0) return r ;
if (sa.sun_family != AF_UNIX) return (errno = EPROTO, -1) ;
if (path)
{
if (total == sizeof(sa_family_t)) path[0] = 0 ;
else
{
unsigned int l = str_len(sa.sun_path) ;
if (l > IPCPATH_MAX) return (errno = EPROTO, -1) ;
byte_copy(path, l+1, sa.sun_path) ;
}
}
byte_copy(s, r, tmp) ;
return r ;
}
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