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-rw-r--r--Mac/Python/macglue.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/Mac/Python/macglue.c b/Mac/Python/macglue.c
index 8b3d6e1..240fc01 100644
--- a/Mac/Python/macglue.c
+++ b/Mac/Python/macglue.c
@@ -410,10 +410,13 @@ PyMac_Error(OSErr err)
int
PyOS_CheckStack()
{
- long left;
+ char here;
+ static char *sentinel = 0;
- left = StackSpace();
- if ( left < MINIMUM_STACK_SIZE )
+ if ( sentinel == 0 ) {
+ sentinel = &here - StackSpace() + MINIMUM_STACK_SIZE;
+ }
+ if ( &here < sentinel )
return -1;
return 0;
}