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random-util: actually encode our expectations on RAND_MAX

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This commit is contained in:
Lennart Poettering 2020-05-10 11:13:49 +02:00
parent f1eb0ccd9e
commit 57ee010ff2
1 changed files with 3 additions and 1 deletions
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src/basic/random-util.c
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@ -325,9 +325,11 @@ void initialize_srand(void) {
/* INT_MAX gives us only 31 bits, so use 24 out of that. */
#if RAND_MAX >= INT_MAX
assert_cc(RAND_MAX >= 16777215);
# define RAND_STEP 3
#else
/* SHORT_INT_MAX or lower gives at most 15 bits, we just just 8 out of that. */
/* SHORT_INT_MAX or lower gives at most 15 bits, we just use 8 out of that. */
assert_cc(RAND_MAX >= 255);
# define RAND_STEP 1
#endif