diff options
Diffstat (limited to 'util/nvmutil/nvmutil.c')
| -rw-r--r-- | util/nvmutil/nvmutil.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index 7374518f..6ce4a863 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -25,7 +25,7 @@ static void cmd_setmac(void); static void parse_mac_string(void); static void set_mac_byte(int); static void check_mac_separator(int); -static void set_mac_nib(int, int, uint8_t *); +static void set_mac_nib(int, int); static uint8_t hextonum(char); static uint8_t rhex(void); static void read_urandom(uint8_t *, size_t); @@ -344,11 +344,10 @@ static void set_mac_byte(int mac_pos) { int nib; - uint8_t h = 0; check_mac_separator(mac_pos); for (nib = 0; nib < 2; nib++) - set_mac_nib(mac_pos, nib, &h); + set_mac_nib(mac_pos, nib); } static void @@ -365,11 +364,12 @@ check_mac_separator(int mac_pos) } static void -set_mac_nib(int mac_pos, int nib, uint8_t *h) +set_mac_nib(int mac_pos, int nib) { + uint8_t h; int byte = mac_pos / 3; - if ((*h = hextonum(mac[mac_pos + nib])) > 15) + if ((h = hextonum(mac[mac_pos + nib])) > 15) err(EINVAL, "Invalid character '%c'", mac[mac_pos + nib]); @@ -378,10 +378,10 @@ set_mac_nib(int mac_pos, int nib, uint8_t *h) if ((mac[mac_pos + nib] == '?') || (mac[mac_pos + nib] == 'x') || (mac[mac_pos + nib] == 'X')) /* random */ - *h = (*h & 0xE) | 2; /* local, unicast */ + h = (h & 0xE) | 2; /* local, unicast */ } - macbuf[byte >> 1] |= ((uint16_t ) *h) << ((8 * (byte % 2)) + + macbuf[byte >> 1] |= ((uint16_t ) h) << ((8 * (byte % 2)) + (4 * (nib ^ 1))); } |