diff options
Diffstat (limited to 'libc/inet/bindresvport.c')
-rw-r--r-- | libc/inet/bindresvport.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/libc/inet/bindresvport.c b/libc/inet/bindresvport.c deleted file mode 100644 index 5d9ad2b..0000000 --- a/libc/inet/bindresvport.c +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ -#include <errno.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <string.h> -#include <unistd.h> - -#define START_PORT 600 -#define END_PORT IPPORT_RESERVED -#define NUM_PORTS (END_PORT - START_PORT) - -int bindresvport(int sd, struct sockaddr_in *sin) -{ - static short port; - struct sockaddr_in sin0; - int nn, ret; - - if (sin == NULL) { - sin = &sin0; - memset( sin, 0, sizeof *sin ); - sin->sin_family = AF_INET; - } else if (sin->sin_family != AF_INET) { - errno = EPFNOSUPPORT; - return -1; - } - - if (port == 0) { - port = START_PORT + (getpid() % NUM_PORTS); - } - - for (nn = NUM_PORTS; nn > 0; nn--, port++) - { - if (port == END_PORT) - port = START_PORT; - - sin->sin_port = htons(port); - do { - ret = bind(sd, (struct sockaddr*)sin, sizeof(*sin)); - } while (ret < 0 && errno == EINTR); - - if (!ret) - break; - } - return ret; -} |