X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=src%2Fodhcp6c.c;h=dce1e0ee7494a3893df9ebef0625d75b7c042bcb;hb=ec864c44e9959a5d65cc564182f4e960e47c6e9e;hp=a37de913a7c722a2ed11e110428a0d93d5c57374;hpb=722226c4f1d45c8bf4ac9189523738abcf7d648f;p=odhcp6c.git

diff --git a/src/odhcp6c.c b/src/odhcp6c.c
index a37de91..dce1e0e 100644
--- a/src/odhcp6c.c
+++ b/src/odhcp6c.c
@@ -429,7 +429,7 @@ static int usage(void)
 	"	-F		Force IPv6-Prefix\n"
 	"	-V <class>	Set vendor-class option (base-16 encoded)\n"
 	"	-u <user-class> Set user-class option string\n"
-	"	-c <clientid>	Override client-ID (base-16 encoded)\n"
+	"	-c <clientid>	Override client-ID (base-16 encoded 16-bit type + value)\n"
 	"	-i <iface-id>	Use a custom interface identifier for RA handling\n"
 	"	-r <options>	Options to be requested (comma-separated)\n"
 	"	-R		Do not request any options except those specified with -r\n"
@@ -445,7 +445,7 @@ static int usage(void)
 	"	-e		Write logmessages to stderr\n"
 	"	-v		Increase logging verbosity\n"
 	"	-h		Show this help\n\n";
-	write(STDERR_FILENO, buf, sizeof(buf));
+	fputs(buf, stderr);
 	return 1;
 }
 
@@ -654,9 +654,9 @@ uint32_t odhcp6c_elapsed(void)
 }
 
 
-void odhcp6c_random(void *buf, size_t len)
+int odhcp6c_random(void *buf, size_t len)
 {
-	read(urandom_fd, buf, len);
+	return read(urandom_fd, buf, len);
 }
 
 bool odhcp6c_is_bound(void)