diff options
Diffstat (limited to 'src/libstddjb/ipc_recv.c')
| -rw-r--r-- | src/libstddjb/ipc_recv.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/libstddjb/ipc_recv.c b/src/libstddjb/ipc_recv.c index 407b3cc..695a524 100644 --- a/src/libstddjb/ipc_recv.c +++ b/src/libstddjb/ipc_recv.c @@ -1,6 +1,7 @@ /* ISC license. */ #include <skalibs/nonposix.h> + #include <string.h> #include <errno.h> #include <sys/socket.h> @@ -11,14 +12,16 @@ ssize_t ipc_recv (int fd, char *s, size_t len, char *path) { + int e = errno ; struct sockaddr_un sa = { .sun_family = AF_UNIX } ; socklen_t total = sizeof sa ; char tmp[len] ; ssize_t r ; do r = recvfrom(fd, tmp, len, 0, (struct sockaddr *)&sa, &total) ; - while ((r == -1) && (errno == EINTR)) ; - if (r < 0) return r ; + while (r == -1 && errno == EINTR) ; + if (r == -1) return r ; if (sa.sun_family != AF_UNIX) return (errno = EPROTO, -1) ; + errno = e ; if (path) { if (total == sizeof(sa_family_t)) path[0] = 0 ; |
