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#include <u.h>
#include <libc.h>
#include <ctype.h>
/*
* make an address, add the defaults
*/
char *
netmkaddr(char *linear, char *defnet, char *defsrv)
{
static char addr[256];
char *cp;
/*
* dump network name
*/
cp = strchr(linear, '!');
if(cp == 0){
if(defnet == 0)
defnet = "net";
/* allow unix sockets to omit unix! prefix */
if(access(linear, 0) >= 0){
snprint(addr, sizeof(addr), "unix!%s", linear);
return addr;
}
/* allow host:service in deference to Unix convention */
if((cp = strchr(linear, ':')) != nil){
snprint(addr, sizeof(addr), "%s!%.*s!%s",
defnet, utfnlen(linear, cp-linear),
linear, cp+1);
return addr;
}
if(defsrv)
snprint(addr, sizeof(addr), "%s!%s!%s",
defnet, linear, defsrv);
else
snprint(addr, sizeof(addr), "%s!%s", defnet, linear);
return addr;
}
/*
* if there is already a service, use it
*/
cp = strchr(cp+1, '!');
if(cp)
return linear;
/*
* if the network is unix, no service
*/
if(strncmp(linear, "unix!", 5) == 0)
return linear;
/*
* add default service
*/
if(defsrv == 0)
return linear;
snprint(addr, sizeof(addr), "%s!%s", linear, defsrv);
return addr;
}
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