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Modify bb_lookup_port to allow the protocol to be specified, allowing

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/etc/services support for inetd, netcat and tftp.
This commit is contained in:
Glenn L McGrath
2004-01-17 05:03:31 +00:00
parent b03be7f567
commit 036dbaa082
8 changed files with 22 additions and 31 deletions
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4
libbb/xconnect.c
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@ -23,7 +23,7 @@
* If "port" is a name it is looked up in /etc/services, if it isnt found return
* default_port
*/
unsigned short bb_lookup_port(const char *port, unsigned short default_port)
unsigned short bb_lookup_port(const char *port, const char *protocol, unsigned short default_port)
{
unsigned short port_nr = htons(default_port);
if (port) {
@ -37,7 +37,7 @@ unsigned short bb_lookup_port(const char *port, unsigned short default_port)
errno = 0;
port_long = strtol(port, &endptr, 10);
if (errno != 0 || *endptr!='\0' || endptr==port || port_long < 0 || port_long > 65535) {
struct servent *tserv = getservbyname(port, "tcp");
struct servent *tserv = getservbyname(port, protocol);
if (tserv) {
port_nr = tserv->s_port;
}