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Improved robustness in random seed file handling.

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[originally from svn r2201]
This commit is contained in:
Simon Tatham 2002-11-07 20:02:00 +00:00
parent 997c082c3b
commit 52bb59be17
2 changed files with 7 additions and 1 deletions
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3
noise.c
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@ -40,6 +40,8 @@ void noise_get_heavy(void (*func) (void *, int))
}
read_random_seed(func);
/* Update the seed immediately, in case another instance uses it. */
random_save_seed();
gsps = NULL;
mod = GetModuleHandle("KERNEL32");
@ -56,6 +58,7 @@ void random_save_seed(void)
if (random_active) {
random_get_savedata(&data, &len);
write_random_seed(data, len);
sfree(data);
}
}

5
sshrand.c
View File

@ -201,7 +201,10 @@ int random_byte(void)
void random_get_savedata(void **data, int *len)
{
void *buf = smalloc(POOLSIZE / 2);
random_stir();
*data = pool.pool + pool.poolpos;
memcpy(buf, pool.pool + pool.poolpos, POOLSIZE / 2);
*len = POOLSIZE / 2;
*data = buf;
random_stir();
}