sdhcp

simple dhcp client
git clone git://git.2f30.org/sdhcp.git
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commit b9a0a3e1c7b194f9c82015a03cfe05fb4286d98f
parent 983d3375adcee59bf8acc476e0e6260bcbb88ce8
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Fri Apr 25 22:13:25 +0200

fix arg parsing

Signed-off-by: Hiltjo Posthuma <hiltjo@codemadness.org>

Diffstat:
sdhcp.c | 13+++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/sdhcp.c b/sdhcp.c @@ -304,7 +304,8 @@ static void acceptlease(void) { setip(client, mask, router); - setdns(dns); + if(dflag == 1) + setdns(dns); alarm(t1); } @@ -406,7 +407,7 @@ static void cleanexit(int unused) { static void usage(void) { - eprintf("usage: sdhcp [ifname] | [[-i] <ifname>] [-r] [-c <clientid>]\n"); + eprintf("usage: sdhcp [ifname] | [[-i] <ifname>] [-d] [-c <clientid>]\n"); } int @@ -419,7 +420,7 @@ main(int argc, char *argv[]) ARGBEGIN { case 'c': /* client-id */ - strlcpy(cid, EARGF(usage()), sizeof(cid)); + cid = EARGF(usage()); break; case 'i': /* interface */ ifname = EARGF(usage()); @@ -432,10 +433,10 @@ main(int argc, char *argv[]) break; } ARGEND; - if(argc == 2) - usage(); - else if(argc == 1) + if(argc >= 1) ifname = argv[0]; + if(argc >= 2) + cid = argv[1]; memset(&ifreq, 0, sizeof(ifreq)); signal(SIGALRM, nop);