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Use byte-per-byte accesses when accessing possibly unaligned data.

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This commit is contained in:
Reki
2022-05-03 10:20:42 +03:00
parent 1bbe9c5700
commit 7ffa952d01
4 changed files with 34 additions and 21 deletions
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13
nfq/helpers.h
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@@ -23,3 +23,16 @@ bool set_socket_buffers(int fd, int rcvbuf, int sndbuf);
uint64_t pntoh64(const void *p);
void phton64(uint8_t *p, uint64_t v);
static inline uint16_t pntoh16(const uint8_t *p) {
return ((uint16_t)p[0] << 8) | (uint16_t)p[1];
}
static inline void phton16(uint8_t *p, uint16_t v) {
p[0] = (uint8_t)(v >> 8);
p[1] = v & 0xFF;
}
static inline uint32_t pntoh32(const uint8_t *p) {
return ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16) | ((uint32_t)p[2] << 8) | (uint32_t)p[3];
}