diff options
Diffstat (limited to 'src/lib9/netmkaddr.c')
-rw-r--r-- | src/lib9/netmkaddr.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/lib9/netmkaddr.c b/src/lib9/netmkaddr.c new file mode 100644 index 00000000..fd53f468 --- /dev/null +++ b/src/lib9/netmkaddr.c @@ -0,0 +1,52 @@ +#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){ + if(defsrv) + snprint(addr, sizeof(addr), "net!%s!%s", + linear, defsrv); + else + snprint(addr, sizeof(addr), "net!%s", linear); + } + else { + 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; + + /* + * add default service + */ + if(defsrv == 0) + return linear; + snprint(addr, sizeof(addr), "%s!%s", linear, defsrv); + + return addr; +} |