diff options
| author | Michael Evertz <Michael.Evertz@devolo.de> | 2016-09-12 14:37:53 +0200 |
|---|---|---|
| committer | Tobias Klauser <tklauser@distanz.ch> | 2016-09-12 16:55:14 +0200 |
| commit | 9bec6fb916f65cec99e981a6733984a8a17f30d3 (patch) | |
| tree | d321b768345fb135b6ed0e35bc292d53f160bacc /pkt.h | |
| parent | d4ae5d9bb723e2ec2fcbaaa954cb76312bca1e7a (diff) | |
Fix misaligned memory access
This changes fixes misaligned memory access. Without the patch I get
several "Misaligend access trap for user program 'llmnrd'" messages on
my platform if the system has odd hostname length.
Diffstat (limited to 'pkt.h')
| -rw-r--r-- | pkt.h | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -100,8 +100,8 @@ static inline uint8_t *pkt_put(struct pkt *p, size_t len) #define DEFINE_PKT_PUT(__bitwidth) \ static inline void pkt_put_u##__bitwidth(struct pkt *p, uint##__bitwidth##_t val) \ { \ - uint##__bitwidth##_t *data = (uint##__bitwidth##_t *)pkt_put(p, sizeof(val)); \ - *data = val; \ + uint8_t *data = pkt_put(p, sizeof(val)); \ + memcpy(data, &val, sizeof(uint##__bitwidth##_t)); \ } DEFINE_PKT_PUT(8) |