diff options
Diffstat (limited to 'networking/udhcp/script.c')
| -rw-r--r-- | networking/udhcp/script.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/networking/udhcp/script.c b/networking/udhcp/script.c index 2eb4459dd..48ff8e07e 100644 --- a/networking/udhcp/script.c +++ b/networking/udhcp/script.c @@ -68,10 +68,11 @@ static int sprintip(char *dest, char *pre, unsigned char *ip) static int mton(struct in_addr *mask) { int i; - /* note: mask will always be in network byte order, so - * there are no endian issues */ - for (i = 31; i >= 0 && !((mask->s_addr >> i) & 1); i--); - return i + 1; + unsigned long bits = ntohl(mask->s_addr); + /* too bad one can't check the carry bit, etc in c bit + * shifting */ + for (i = 0; i < 32 && !((bits >> i) & 1); i++); + return 32 - i; } |