sdhcp

simple dhcp client
git clone git://git.2f30.org/sdhcp.git
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commit 25a4c8c5c72961fdab5de9fc38472e6fca849a4a
parent b3d202e72bacd84e7a7ae53621c33fbaa983e8aa
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Fri Apr 25 23:03:53 +0200

creat() return on failure

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

Diffstat:
sdhcp.c | 4+++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/sdhcp.c b/sdhcp.c @@ -192,8 +192,10 @@ setdns(unsigned char dns[4]) char buf[128]; int fd; - if((fd = creat("/etc/resolv.conf", 0644)) == -1) + if((fd = creat("/etc/resolv.conf", 0644)) == -1) { weprintf("can't change /etc/resolv.conf:"); + return; + } cat(fd, "/etc/resolv.conf.head"); if(snprintf(buf, sizeof(buf) - 1, "\nnameserver %d.%d.%d.%d\n", dns[0], dns[1], dns[2], dns[3]) > 0)