diff options
| author | Denis Vlasenko <vda.linux@googlemail.com> | 2006-10-14 02:23:43 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2006-10-14 02:23:43 +0000 |
| commit | ea62077b850076c4d7dc3cf78ebd1888928c6ddf (patch) | |
| tree | 37b7584ae40b99edb5583fbc4392b62ffdadf278 /networking/udhcp/clientpacket.c | |
| parent | 88ca06769028e442bf873b270c176ca0e9f021f8 (diff) | |
| download | busybox-ea62077b850076c4d7dc3cf78ebd1888928c6ddf.tar.gz | |
add open_read_close() and similar stuff
Diffstat (limited to 'networking/udhcp/clientpacket.c')
| -rw-r--r-- | networking/udhcp/clientpacket.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/networking/udhcp/clientpacket.c b/networking/udhcp/clientpacket.c index f9f5a3b8c..439aa0250 100644 --- a/networking/udhcp/clientpacket.c +++ b/networking/udhcp/clientpacket.c @@ -39,16 +39,13 @@ unsigned long random_xid(void) { static int initialized; if (!initialized) { - int fd; unsigned long seed; - fd = open("/dev/urandom", 0); - if (fd < 0 || read(fd, &seed, sizeof(seed)) < 0) { - bb_info_msg("Could not load seed " + if (open_read_close("/dev/urandom", &seed, sizeof(seed)) < 0) { + bb_info_msg("Cannot load seed " "from /dev/urandom: %s", strerror(errno)); seed = time(0); } - if (fd >= 0) close(fd); srand(seed); initialized++; } |