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Issue #594 - provide an OVERRIDE_GET_RANDOM_SEED cmake variable to override json_c_get_random_seed() for embedded platforms where time(NULL) doesn't work.

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Example:
mkdir build && cd build
cmake -DOVERRIDE_GET_RANDOM_SEED='do { extern uint32_t getMsTicks(void); int ms = getMsTicks() * 433494437; return ms; } while(0)' ..
This commit is contained in:
Eric Haszlakiewicz
2020-07-22 02:25:03 +00:00
parent 64de4b6e9f
commit 730e3d044f
4 changed files with 9 additions and 0 deletions
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3
random_seed.c
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@@ -276,6 +276,9 @@ static int get_time_seed(void)
int json_c_get_random_seed(void)
{
#ifdef OVERRIDE_GET_RANDOM_SEED
OVERRIDE_GET_RANDOM_SEED;
#endif
#if defined HAVE_RDRAND && HAVE_RDRAND
if (has_rdrand())
return get_rdrand_seed();