diff options
Diffstat (limited to 'src/pkg/runtime/chan.c')
| -rw-r--r-- | src/pkg/runtime/chan.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/pkg/runtime/chan.c b/src/pkg/runtime/chan.c index 579315906..08cd75a6e 100644 --- a/src/pkg/runtime/chan.c +++ b/src/pkg/runtime/chan.c @@ -90,11 +90,14 @@ static uint32 fastrand2(void); static void destroychan(Hchan*); Hchan* -makechan(Type *elem, uint32 hint) +makechan(Type *elem, int64 hint) { Hchan *c; int32 i; + if(hint < 0 || (int32)hint != hint || hint > ((uintptr)-1) / elem->size) + panicstring("makechan: size out of range"); + if(elem->alg >= nelem(algarray)) { printf("chan(alg=%d)\n", elem->alg); throw("runtime.makechan: unsupported elem type"); @@ -141,9 +144,9 @@ destroychan(Hchan *c) } -// makechan(elemsize uint32, elemalg uint32, hint uint32) (hchan *chan any); +// makechan(elem *Type, hint int64) (hchan *chan any); void -·makechan(Type *elem, uint32 hint, Hchan *ret) +·makechan(Type *elem, int64 hint, Hchan *ret) { ret = makechan(elem, hint); FLUSH(&ret); |