mirror of
https://github.com/minetest/minetest.git
synced 2024-12-24 15:12:23 +01:00
Fix endianness inconsistency with PcgRandom::bytes()
This commit is contained in:
parent
a423202756
commit
9fc2b93d9f
@ -123,36 +123,21 @@ s32 PcgRandom::range(s32 min, s32 max)
|
||||
|
||||
void PcgRandom::bytes(void *out, size_t len)
|
||||
{
|
||||
u32 r;
|
||||
u8 *outb = (u8 *)out;
|
||||
int bytes_left = 0;
|
||||
u32 r;
|
||||
|
||||
size_t len_alignment = (uintptr_t)out % sizeof(u32);
|
||||
if (len_alignment) {
|
||||
len -= len_alignment;
|
||||
while (len--) {
|
||||
if (bytes_left == 0) {
|
||||
bytes_left = sizeof(u32);
|
||||
r = next();
|
||||
while (len_alignment--) {
|
||||
}
|
||||
|
||||
*outb = r & 0xFF;
|
||||
outb++;
|
||||
bytes_left--;
|
||||
r >>= 8;
|
||||
}
|
||||
}
|
||||
|
||||
size_t len_dwords = len / sizeof(u32);
|
||||
while (len_dwords--) {
|
||||
r = next();
|
||||
*(u32 *)outb = next();
|
||||
outb += sizeof(u32);
|
||||
}
|
||||
|
||||
size_t len_remaining = len % sizeof(u32);
|
||||
if (len_remaining) {
|
||||
r = next();
|
||||
while (len_remaining--) {
|
||||
*outb = r & 0xFF;
|
||||
outb++;
|
||||
r >>= 8;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user