Make global state explicit in testcase generators

The quicksort-killer testcase will require more global state, unless we go
to the effort of implementing qsort_r versions of all the sorting
algorithms.  Since we're not doing that, we'll simply make the global state
explicit.

1 files changed, 3 insertions, 1 deletions

diff --git a/testcases.h b/testcases.h
index 036fe5d..fc2ffd9 100644
--- a/testcases.h
+++ b/testcases.h
@@ -8,7 +8,9 @@
 extern int buffer[MAX_SIZE];
 extern unsigned long comparisons;
 
-typedef void (*testinit)(int *, size_t);
+void assert_sorted(size_t size, cmpfun cmp);
+
+typedef void (*testinit)(size_t);
 
 extern const struct testcase {
 	const char *name;