diff options
Diffstat (limited to 'libc/inet')
| -rw-r--r-- | libc/inet/Makefile | 14 | ||||
| -rw-r--r-- | libc/inet/addr.c | 66 | ||||
| -rw-r--r-- | libc/inet/herror.c | 11 |
3 files changed, 88 insertions, 3 deletions
diff --git a/libc/inet/Makefile b/libc/inet/Makefile index c9157bb84..8ca400649 100644 --- a/libc/inet/Makefile +++ b/libc/inet/Makefile @@ -32,7 +32,8 @@ endif ALL_SUBDIRS = rpc MSRC=addr.c -MOBJ=inet_aton.o inet_addr.o inet_ntoa.o +MOBJ=inet_aton.o inet_addr.o inet_ntoa.o inet_makeaddr.o inet_lnaof.o \ + inet_netof.o MSRC2=resolv.c MOBJ2=encodeh.o decodeh.o encoded.o decoded.o lengthd.o encodeq.o \ @@ -48,12 +49,15 @@ MOBJ3= accept.o bind.o connect.o getpeername.o getsockname.o getsockopt.o \ listen.o recv.o recvfrom.o recvmsg.o send.o sendmsg.o sendto.o \ setsockopt.o shutdown.o socket.o socketpair.o +MSRC4=herror.c +MOBJ4=herror.o hstrerror.o + CSRC =getservice.c getproto.c hostid.c getnetent.c getnetbynm.c getnetbyad.c \ - herror.c inet_net.c ntop.c + inet_net.c ntop.c COBJS=$(patsubst %.c,%.o, $(CSRC)) -OBJS=$(MOBJ) $(MOBJ2) $(MOBJ3) $(COBJS) +OBJS=$(MOBJ) $(MOBJ2) $(MOBJ3) $(MOBJ4) $(COBJS) all: $(OBJS) $(LIBC) @@ -75,6 +79,10 @@ $(MOBJ3): $(MSRC3) $(CC) $(CFLAGS) -DL_$* $< -c -o $*.o $(STRIPTOOL) -x -R .note -R .comment $*.o +$(MOBJ4): $(MSRC4) + $(CC) $(CFLAGS) -DL_$* $< -c -o $*.o + $(STRIPTOOL) -x -R .note -R .comment $*.o + $(COBJS): %.o : %.c $(CC) $(CFLAGS) -c $< -o $@ $(STRIPTOOL) -x -R .note -R .comment $*.o diff --git a/libc/inet/addr.c b/libc/inet/addr.c index 15f6d0a5a..d1f9c04e6 100644 --- a/libc/inet/addr.c +++ b/libc/inet/addr.c @@ -112,3 +112,69 @@ struct in_addr in; return p+1; } #endif + +#ifdef L_inet_makeaddr +/* + * Formulate an Internet address from network + host. Used in + * building addresses stored in the ifnet structure. + */ +struct in_addr inet_makeaddr(net, host) +unsigned long net, host; +{ + unsigned long addr; + + if (net < 128) + addr = (net << IN_CLASSA_NSHIFT) | (host & IN_CLASSA_HOST); + else if (net < 65536) + addr = (net << IN_CLASSB_NSHIFT) | (host & IN_CLASSB_HOST); + else if (net < 16777216L) + addr = (net << IN_CLASSC_NSHIFT) | (host & IN_CLASSC_HOST); + else + addr = net | host; + addr = htonl(addr); + return (*(struct in_addr *)&addr); +} + +#endif + +#ifdef L_inet_lnaof +/* + * Return the local network address portion of an + * internet address; handles class a/b/c network + * number formats. + */ +unsigned long inet_lnaof(in) +struct in_addr in; +{ + unsigned long i = ntohl(in.s_addr); + + if (IN_CLASSA(i)) + return ((i)&IN_CLASSA_HOST); + else if (IN_CLASSB(i)) + return ((i)&IN_CLASSB_HOST); + else + return ((i)&IN_CLASSC_HOST); +} +#endif + +#ifdef L_inet_netof + +/* + * Return the network number from an internet + * address; handles class a/b/c network #'s. + */ +u_int32_t +inet_netof(in) + struct in_addr in; +{ + u_int32_t i = ntohl(in.s_addr); + + if (IN_CLASSA(i)) + return (((i)&IN_CLASSA_NET) >> IN_CLASSA_NSHIFT); + else if (IN_CLASSB(i)) + return (((i)&IN_CLASSB_NET) >> IN_CLASSB_NSHIFT); + else + return (((i)&IN_CLASSC_NET) >> IN_CLASSC_NSHIFT); +} + +#endif diff --git a/libc/inet/herror.c b/libc/inet/herror.c index b95d3d913..51b858f54 100644 --- a/libc/inet/herror.c +++ b/libc/inet/herror.c @@ -23,6 +23,8 @@ #include <string.h> #include <netdb.h> +#ifdef L_herror + static const char *const h_errlist[] = { "Error 0", "Unknown host", /* 1 HOST_NOT_FOUND */ @@ -51,3 +53,12 @@ void herror(const char *s) } fprintf(stderr, "%s%s%s\n", s, c, p); } + +#endif + +#ifdef L_hstrerror +const char *hstrerror(int err) +{ + return(strerror(err)); +} +#endif |