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| author | ReneSac <reneduani@yahoo.com.br> | 2014-03-06 18:18:25 -0300 |
|---|---|---|
| committer | ReneSac <reneduani@yahoo.com.br> | 2014-03-06 18:18:25 -0300 |
| commit | a88a6358478165aae7681ac651220ce03d97bb30 (patch) | |
| tree | 39a2596f923c53e04a75d21976d93587829348e5 | |
| parent | 9e989676d847aef894ae2172091a1af4219d651e (diff) | |
| download | Nim-a88a6358478165aae7681ac651220ce03d97bb30.tar.gz | |
Added comment explaining 'assert_numbits' error.
| -rw-r--r-- | lib/nimbase.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/nimbase.h b/lib/nimbase.h index f73dca190..1100e084b 100644 --- a/lib/nimbase.h +++ b/lib/nimbase.h @@ -373,5 +373,8 @@ static inline void GCGuard (void *ptr) { asm volatile ("" :: "X" (ptr)); } # define GC_GUARD #endif +/* Test to see if nimrod and the C compiler agrees on the size of a pointer. + On disagreement, your C compiler will say something like: + "error: 'assert_numbits' declared as an array with a negative size" */ typedef int assert_numbits[sizeof(NI) == sizeof(void*) && NIM_INTBITS == sizeof(NI)*8 ? 1 : -1]; #endif |