assorted static vars removal
function old new delta tcpudpsvd_main 1829 1839 +10 update_status 567 569 +2 sigterm 1 - -1 ......... dhcprelay_signal_handler 8 - -8 nfs_strerror 60 49 -11 singlemount 4579 4564 -15 static.p 16 - -16 svstatus 20 - -20 dhcprelay_xid_list 32 - -32 runsv_main 1785 1746 -39 static.buf 74 28 -46 svd 56 - -56 dhcprelay_main 1141 1080 -61 ------------------------------------------------------------------------------ (add/remove: 0/20 grow/shrink: 2/10 up/down: 12/-386) Total: -374 bytes
This commit is contained in:
parent
c3122bca53
commit
b925605441
@ -40,11 +40,24 @@
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#include "ssl_io.h"
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#endif
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static unsigned verbose;
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static unsigned max_per_host;
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static unsigned cur_per_host;
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static unsigned cnum;
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static unsigned cmax = 30;
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struct globals {
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unsigned verbose;
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unsigned max_per_host;
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unsigned cur_per_host;
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unsigned cnum;
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unsigned cmax;
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};
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#define G (*(struct globals*)&bb_common_bufsiz1)
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#define verbose (G.verbose )
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#define max_per_host (G.max_per_host)
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#define cur_per_host (G.cur_per_host)
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#define cnum (G.cnum )
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#define cmax (G.cmax )
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#define INIT_G() \
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do { \
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cmax = 30; \
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} while (0)
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static void xsetenv_proto(const char *proto, const char *n, const char *v)
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{
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@ -147,6 +160,8 @@ int tcpudpsvd_main(int argc, char **argv)
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int conn;
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unsigned backlog = 20;
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INIT_G();
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tcp = (applet_name[0] == 't');
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/* 3+ args, -i at most once, -p implies -h, -v is counter */
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@ -19,16 +19,16 @@
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#define MAX_LIFETIME 2*60 /* lifetime of an xid entry in sec. */
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#define MAX_INTERFACES 9
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/* This list holds information about clients. The xid_* functions manipulate this list. */
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static struct xid_item {
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struct xid_item {
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time_t timestamp;
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int client;
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uint32_t xid;
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struct sockaddr_in ip;
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int client;
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time_t timestamp;
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struct xid_item *next;
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} dhcprelay_xid_list = {0, {0}, 0, 0, NULL};
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};
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#define dhcprelay_xid_list (*(struct xid_item*)&bb_common_bufsiz1)
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static struct xid_item *xid_add(uint32_t xid, struct sockaddr_in *ip, int client)
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{
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@ -113,17 +113,6 @@ static int get_dhcp_packet_type(struct dhcpMessage *p)
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return -1;
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}
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/**
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* signal_handler - handles signals ;-)
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* sig - sent signal
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*/
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static smallint dhcprelay_stopflag;
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static void dhcprelay_signal_handler(int sig)
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{
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dhcprelay_stopflag = 1;
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}
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/**
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* get_client_devices - parses the devices list
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* dev_list - comma separated list of devices
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@ -160,27 +149,23 @@ static char **get_client_devices(char *dev_list, int *client_number)
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}
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/* Creates listen sockets (in fds) and returns the number allocated. */
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/* Creates listen sockets (in fds) and returns numerically max fd. */
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static int init_sockets(char **client, int num_clients,
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char *server, int *fds, int *max_socket)
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char *server, int *fds)
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{
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int i;
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int i, n;
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/* talk to real server on bootps */
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fds[0] = listen_socket(/*INADDR_ANY,*/ 67, server);
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*max_socket = fds[0];
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/* array starts at 1 since server is 0 */
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num_clients++;
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n = fds[0];
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for (i = 1; i < num_clients; i++) {
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/* listen for clients on bootps */
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fds[i] = listen_socket(/*NADDR_ANY,*/ 67, client[i-1]);
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if (fds[i] > *max_socket)
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*max_socket = fds[i];
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if (fds[i] > n)
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n = fds[i];
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}
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return i;
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return n;
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}
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@ -252,6 +237,8 @@ static void pass_back(struct dhcpMessage *p, int packet_len, int *fds)
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xid_del(p->xid);
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}
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static void dhcprelay_loop(int *fds, int num_sockets, int max_socket, char **clients,
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struct sockaddr_in *server_addr, uint32_t gw_ip) ATTRIBUTE_NORETURN;
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static void dhcprelay_loop(int *fds, int num_sockets, int max_socket, char **clients,
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struct sockaddr_in *server_addr, uint32_t gw_ip)
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{
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@ -263,7 +250,7 @@ static void dhcprelay_loop(int *fds, int num_sockets, int max_socket, char **cli
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struct timeval tv;
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int i;
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while (!dhcprelay_stopflag) {
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while (1) {
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FD_ZERO(&rfds);
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for (i = 0; i < num_sockets; i++)
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FD_SET(fds[i], &rfds);
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@ -298,7 +285,7 @@ static void dhcprelay_loop(int *fds, int num_sockets, int max_socket, char **cli
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int dhcprelay_main(int argc, char **argv);
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int dhcprelay_main(int argc, char **argv)
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{
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int i, num_sockets, max_socket, fds[MAX_INTERFACES];
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int num_sockets, max_socket, fds[MAX_INTERFACES];
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uint32_t gw_ip;
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char **clients;
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struct sockaddr_in server_addr;
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@ -316,23 +303,13 @@ int dhcprelay_main(int argc, char **argv)
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clients = get_client_devices(argv[1], &num_sockets);
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if (!clients) return 0;
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signal(SIGTERM, dhcprelay_signal_handler);
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signal(SIGQUIT, dhcprelay_signal_handler);
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signal(SIGINT, dhcprelay_signal_handler);
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num_sockets = init_sockets(clients, num_sockets, argv[2], fds, &max_socket);
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num_sockets++; /* for server socket at fds[0] */
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max_socket = init_sockets(clients, num_sockets, argv[2], fds);
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if (read_interface(argv[2], NULL, &gw_ip, NULL))
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return 1;
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/* doesn't return */
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dhcprelay_loop(fds, num_sockets, max_socket, clients, &server_addr, gw_ip);
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if (ENABLE_FEATURE_CLEAN_UP) {
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for (i = 0; i < num_sockets; i++) {
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close(fds[i]);
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free(clients[i]);
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}
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}
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return 0;
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/* return 0; - not reached */
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}
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@ -61,8 +61,6 @@ static void gettimeofday_ns(struct timespec *ts)
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/* Compare possibly overflowing unsigned counters */
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#define LESS(a,b) ((int)((unsigned)(b) - (unsigned)(a)) > 0)
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static int selfpipe[2];
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/* state */
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#define S_DOWN 0
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#define S_RUN 1
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@ -88,12 +86,27 @@ struct svdir {
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int fdcontrolwrite;
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};
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static struct svdir svd[2];
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static smallint sigterm;
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static smallint haslog;
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static smallint pidchanged = 1;
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static int logpipe[2];
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static char *dir;
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struct globals {
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smallint haslog;
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smallint sigterm;
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smallint pidchanged;
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int selfpipe[2];
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int logpipe[2];
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char *dir;
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struct svdir svd[2];
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};
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#define G (*(struct globals*)&bb_common_bufsiz1)
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#define haslog (G.haslog )
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#define sigterm (G.sigterm )
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#define pidchanged (G.pidchanged )
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#define selfpipe (G.selfpipe )
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#define logpipe (G.logpipe )
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#define dir (G.dir )
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#define svd (G.svd )
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#define INIT_G() \
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do { \
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pidchanged = 1; \
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} while (0)
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static void fatal2_cannot(const char *m1, const char *m2)
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{
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@ -434,6 +447,8 @@ int runsv_main(int argc, char **argv)
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int r;
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char buf[256];
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INIT_G();
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if (!argv[1] || argv[2])
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bb_show_usage();
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dir = argv[1];
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22
runit/sv.c
22
runit/sv.c
@ -158,12 +158,22 @@ Exit Codes
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#include "libbb.h"
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#include "runit_lib.h"
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static const char *acts;
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static char **service;
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static unsigned rc;
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struct globals {
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const char *acts;
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char **service;
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unsigned rc;
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/* "Bernstein" time format: unix + 0x400000000000000aULL */
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static uint64_t tstart, tnow;
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static svstatus_t svstatus;
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uint64_t tstart, tnow;
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svstatus_t svstatus;
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};
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#define G (*(struct globals*)&bb_common_bufsiz1)
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#define acts (G.acts )
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#define service (G.service )
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#define rc (G.rc )
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#define tstart (G.tstart )
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#define tnow (G.tnow )
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#define svstatus (G.svstatus )
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#define INIT_G() do { } while (0)
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static void fatal_cannot(const char *m1) ATTRIBUTE_NORETURN;
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@ -418,6 +428,8 @@ int sv_main(int argc, char **argv)
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int (*cbk)(const char*);
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int curdir;
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INIT_G();
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xfunc_error_retval = 100;
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x = getenv("SVDIR");
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@ -66,10 +66,10 @@ enum {
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/* Standard mount options (from -o options or --options), with corresponding
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* flags */
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struct {
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static const struct {
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const char *name;
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long flags;
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} static mount_options[] = {
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} mount_options[] = {
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// MS_FLAGS set a bit. ~MS_FLAGS disable that bit. 0 flags are NOPs.
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USE_FEATURE_MOUNT_LOOP(
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@ -231,7 +231,7 @@ static llist_t *get_block_backed_filesystems(void)
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return list;
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}
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llist_t *fslist = 0;
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static llist_t *fslist;
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#if ENABLE_FEATURE_CLEAN_UP
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static void delete_block_backed_filesystems(void)
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@ -562,14 +562,12 @@ static const struct {
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static char *nfs_strerror(int status)
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{
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int i;
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static char buf[sizeof("unknown nfs status return value: ") + sizeof(int)*3];
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for (i = 0; nfs_errtbl[i].stat != -1; i++) {
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if (nfs_errtbl[i].stat == status)
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return strerror(nfs_errtbl[i].errnum);
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}
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sprintf(buf, "unknown nfs status return value: %d", status);
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return buf;
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return xasprintf("unknown nfs status return value: %d", status);
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}
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static bool_t xdr_fhandle(XDR *xdrs, fhandle objp)
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@ -642,11 +640,7 @@ static bool_t xdr_mountres3(XDR *xdrs, mountres3 *objp)
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#define MAX_NFSPROT ((nfs_mount_version >= 4) ? 3 : 2)
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/*
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* nfs_mount_version according to the sources seen at compile time.
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*/
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static int nfs_mount_version;
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static int kernel_version;
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static smalluint nfs_mount_version;
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/*
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* Unfortunately, the kernel prints annoying console messages
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@ -662,7 +656,9 @@ static int kernel_version;
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static void
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find_kernel_nfs_mount_version(void)
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{
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if (kernel_version)
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int kernel_version;
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if (nfs_mount_version)
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return;
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nfs_mount_version = 4; /* default */
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@ -679,15 +675,15 @@ find_kernel_nfs_mount_version(void)
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}
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}
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static struct pmap *
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get_mountport(struct sockaddr_in *server_addr,
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static void
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get_mountport(struct pmap *pm_mnt,
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struct sockaddr_in *server_addr,
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long unsigned prog,
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long unsigned version,
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long unsigned proto,
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long unsigned port)
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{
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struct pmaplist *pmap;
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static struct pmap p = {0, 0, 0, 0};
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server_addr->sin_port = PMAPPORT;
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/* glibc 2.4 (still) has pmap_getmaps(struct sockaddr_in *).
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@ -698,35 +694,34 @@ get_mountport(struct sockaddr_in *server_addr,
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version = MAX_NFSPROT;
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if (!prog)
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prog = MOUNTPROG;
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p.pm_prog = prog;
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p.pm_vers = version;
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p.pm_prot = proto;
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p.pm_port = port;
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pm_mnt->pm_prog = prog;
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pm_mnt->pm_vers = version;
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pm_mnt->pm_prot = proto;
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pm_mnt->pm_port = port;
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while (pmap) {
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if (pmap->pml_map.pm_prog != prog)
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goto next;
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if (!version && p.pm_vers > pmap->pml_map.pm_vers)
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if (!version && pm_mnt->pm_vers > pmap->pml_map.pm_vers)
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goto next;
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if (version > 2 && pmap->pml_map.pm_vers != version)
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goto next;
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if (version && version <= 2 && pmap->pml_map.pm_vers > 2)
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goto next;
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if (pmap->pml_map.pm_vers > MAX_NFSPROT ||
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(proto && p.pm_prot && pmap->pml_map.pm_prot != proto) ||
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(proto && pm_mnt->pm_prot && pmap->pml_map.pm_prot != proto) ||
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(port && pmap->pml_map.pm_port != port))
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goto next;
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memcpy(&p, &pmap->pml_map, sizeof(p));
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next:
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memcpy(pm_mnt, &pmap->pml_map, sizeof(*pm_mnt));
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next:
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pmap = pmap->pml_next;
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}
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if (!p.pm_vers)
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p.pm_vers = MOUNTVERS;
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if (!p.pm_port)
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p.pm_port = MOUNTPORT;
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if (!p.pm_prot)
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p.pm_prot = IPPROTO_TCP;
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return &p;
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if (!pm_mnt->pm_vers)
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pm_mnt->pm_vers = MOUNTVERS;
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if (!pm_mnt->pm_port)
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pm_mnt->pm_port = MOUNTPORT;
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if (!pm_mnt->pm_prot)
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pm_mnt->pm_prot = IPPROTO_TCP;
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}
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#if BB_MMU
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@ -1147,7 +1142,7 @@ static int nfsmount(struct mntent *mp, int vfsflags, char *filteropts)
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{
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struct timeval total_timeout;
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struct timeval retry_timeout;
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struct pmap* pm_mnt;
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struct pmap pm_mnt;
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time_t t;
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time_t prevt;
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time_t timeout;
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@ -1164,32 +1159,32 @@ retry:
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if (t - prevt < 30)
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sleep(30);
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pm_mnt = get_mountport(&mount_server_addr,
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get_mountport(&pm_mnt, &mount_server_addr,
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mountprog,
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mountvers,
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proto,
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mountport);
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nfsvers = (pm_mnt->pm_vers < 2) ? 2 : pm_mnt->pm_vers;
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nfsvers = (pm_mnt.pm_vers < 2) ? 2 : pm_mnt.pm_vers;
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/* contact the mount daemon via TCP */
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mount_server_addr.sin_port = htons(pm_mnt->pm_port);
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mount_server_addr.sin_port = htons(pm_mnt.pm_port);
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msock = RPC_ANYSOCK;
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switch (pm_mnt->pm_prot) {
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switch (pm_mnt.pm_prot) {
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case IPPROTO_UDP:
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mclient = clntudp_create(&mount_server_addr,
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pm_mnt->pm_prog,
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pm_mnt->pm_vers,
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pm_mnt.pm_prog,
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pm_mnt.pm_vers,
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retry_timeout,
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&msock);
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if (mclient)
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break;
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mount_server_addr.sin_port = htons(pm_mnt->pm_port);
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mount_server_addr.sin_port = htons(pm_mnt.pm_port);
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msock = RPC_ANYSOCK;
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case IPPROTO_TCP:
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mclient = clnttcp_create(&mount_server_addr,
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pm_mnt->pm_prog,
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pm_mnt->pm_vers,
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pm_mnt.pm_prog,
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pm_mnt.pm_vers,
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&msock, 0, 0);
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break;
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default:
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@ -1208,7 +1203,7 @@ retry:
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*/
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memset(&status, 0, sizeof(status));
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if (pm_mnt->pm_vers == 3)
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if (pm_mnt.pm_vers == 3)
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clnt_stat = clnt_call(mclient, MOUNTPROC3_MNT,
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(xdrproc_t) xdr_dirpath,
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(caddr_t) &pathname,
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