diff options
Diffstat (limited to 'sunrpc/bindrsvprt.c')
| -rw-r--r-- | sunrpc/bindrsvprt.c | 30 |
1 files changed, 8 insertions, 22 deletions
diff --git a/sunrpc/bindrsvprt.c b/sunrpc/bindrsvprt.c index 023ae17..3745187 100644 --- a/sunrpc/bindrsvprt.c +++ b/sunrpc/bindrsvprt.c @@ -43,15 +43,14 @@ int bindresvport (int sd, struct sockaddr_in *sin) { + int res; static short port; struct sockaddr_in myaddr; int i; #define STARTPORT 600 -#define LOWPORT 512 #define ENDPORT (IPPORT_RESERVED - 1) #define NPORTS (ENDPORT - STARTPORT + 1) - static short startport = STARTPORT; if (sin == (struct sockaddr_in *) 0) { @@ -69,30 +68,17 @@ bindresvport (int sd, struct sockaddr_in *sin) { port = (__getpid () % NPORTS) + STARTPORT; } + res = -1; + __set_errno (EADDRINUSE); - /* Initialize to make gcc happy. */ - int res = -1; - - int nports = ENDPORT - startport + 1; - int endport = ENDPORT; - again: - for (i = 0; i < nports; ++i) + for (i = 0; i < NPORTS && res < 0 && errno == EADDRINUSE; ++i) { sin->sin_port = htons (port++); - if (port > endport) - port = startport; + if (port > ENDPORT) + { + port = STARTPORT; + } res = __bind (sd, sin, sizeof (struct sockaddr_in)); - if (res >= 0 || errno != EADDRINUSE) - break; - } - - if (i == nports && startport != LOWPORT) - { - startport = LOWPORT; - endport = STARTPORT - 1; - nports = STARTPORT - LOWPORT; - port = LOWPORT + port % (STARTPORT - LOWPORT); - goto again; } return res; |